[go: up one dir, main page]

CN102416018A - Method for treating cervical erosion by using preparation containing triamcinolone acetonide - Google Patents

Method for treating cervical erosion by using preparation containing triamcinolone acetonide Download PDF

Info

Publication number
CN102416018A
CN102416018A CN2011103187957A CN201110318795A CN102416018A CN 102416018 A CN102416018 A CN 102416018A CN 2011103187957 A CN2011103187957 A CN 2011103187957A CN 201110318795 A CN201110318795 A CN 201110318795A CN 102416018 A CN102416018 A CN 102416018A
Authority
CN
China
Prior art keywords
cervical erosion
preparation
triamcinolone acetonide
usefulness
percentage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011103187957A
Other languages
Chinese (zh)
Inventor
惠峪
张恒志
袁旭东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Futeji Biolog Technology Co ltd
Original Assignee
Jiaxing Futeji Biolog Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiaxing Futeji Biolog Technology Co ltd filed Critical Jiaxing Futeji Biolog Technology Co ltd
Priority to CN2011103187957A priority Critical patent/CN102416018A/en
Publication of CN102416018A publication Critical patent/CN102416018A/en
Pending legal-status Critical Current

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)

Abstract

The invention provides a method for treating or preventing cervical erosion by applying a topical preparation containing triamcinolone acetonide. Such formulations may be triamcinolone acetonide and other excipients, or a combination of triamcinolone acetonide and one or more antibiotics. The treatment of the present invention may be carried out using various topical formulations containing triamcinolone acetonide, such as vaginal creams, vaginal gels, pessaries, vaginal effervescent tablets, vaginal ointments and the like. The preparation adopted by the treatment method of the invention has the functions of anti-inflammation and vasoconstriction, has the effects of reducing, lightening and disappearing the erosion area and has the effect of inhibiting the recurrence of cervical erosion.

Description

A kind of usefulness contains the method for the preparation for treating cervical erosion of triamcinolone acetonide
Technical field
The present invention relates to a kind of compound preparation of treating cervical erosion, belong to medical technical field.
Background technology
Cervical erosion is women's frequently-occurring disease and commonly encountered diseases.Especially married, as to have given birth to women, almost 60~80% cervical erosion that have in various degree.Cervical erosion can cause leucorrhoea grow in quantity, leucorrhea band blood or postcoital bleeding, and sore waist and aching in the waist and the back, menoxenia, sterility and infertility etc. are often arranged.Serious cervical erosion is as treating, and cervix uteri precancerous lesion or cervical cancer can take place minority.Cervical erosion be because childbirth, miscarriage, obstetric infection or operation technique or mechanical stimulus such as sexual life damage cervix uteri, pathogen is invaded and is caused to infect and cause.Artificial abortion can cause cervix uteri damage in various degree repeatedly, gives the pathogenic bacteria opportunity, causes cervicitis.Because the stimulation of inflammation, merocrine secretion's thing increases, and cervix uteri is immersed in the rheuminess thing for a long time will cause erosion.Cervical erosion is divided by the size of rotten to the corn area, can be divided into light, in, weigh three degree.When rotten to the corn area less than whole cervix uteri area 1/3 the time be slight cervical erosion; Rotten to the corn area account for the cervix uteri area 1/3~2/3 between the person rotten to the corn for moderate; It is rotten to the corn for severe that rotten to the corn area accounts for whole cervix uteri area 2/3 above person.At present Drug therapy is taked in the treatment of cervical erosion usually both at home and abroad, three kinds of methods of naturopathy and operative treatment:
1. the side effect of Drug therapy is little, and the women who is fit to not fertility uses.The medicine of common treatment cervical erosion have disappear rotten clever gel with control Mi Lingshuan.
2. moderate cervical erosion and moderate and severe cervical patient can not reach recovery from illness usually with existing Drug therapy.Will adopt naturopathy such as electric rubbing hot medicated compress, laser therapy, cryotherapy thus.The shortcoming of physiotherapy is that side effect is bigger, might cause the vaginal walls nerve sensitivity to reduce, and is influential to life quality.Cure the back easy relapse in addition.
3. as above-mentioned failing to respond to any medical treatment, or cervical hypertrophy is arranged, or rotten to the corn face is dark and wide, and the person that involves the cervical canal, can consider row conization of cervix or panhysterectomy.
Summary of the invention
The present invention is directed to the deficiency of prior art, a kind of method of treating cervical erosion is provided, it is characterized in that using the topical preparation of containing triamcinolone acetonide treatment cervical erosion is treated.Therapeutic Method of the present invention has antiinflammatory and vasoconstriction function, rotten to the corn area is dwindled, shoals and the useful effect that disappeared, and the recurrence that suppresses cervical erosion is had good curative effect.
The method of treatment cervical erosion of the present invention comprises medicine and pharmaceutic adjuvant, and drug component wherein is:
Triamcinolone acetonide 0.01~99.9 percentage by weight
Other drug and pharmaceutic adjuvant 0.1~99.99 percentage by weight
The method of treatment cervical erosion provided by the invention can adopt the various topical dosage forms that contain triamcinolone acetonide, and these different dosage forms need be added different pharmaceutic adjuvants.
Specify as follows:
The vaginal cream agent is except that containing drug components such as triamcinolone acetonide, and used pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight: comprise the biological mucosa adhesive agent, emulsifying agent, emollient, and cosolvent.
Above-mentioned biological mucosa adhesive agent is selected from the one or more combination in chitosan and the derivant thereof.
Above-mentioned emulsifying agent is selected from tristerin, stearyl alcohol, hexadecanol, the stearic alcohol ether of Polyethylene Glycol, the one or more combination in the Polyethylene Glycol hexadecanol ether.
Above-mentioned emollient is selected from the cetyl cetylate, octyl stearate, the different monooctyl ester of stearic acid, oleic acid decanol, isopropyl myristate, Vitamin E acetate, the one or more combination in the sad cocoa ester.
Above-mentioned cosolvent is selected from glycerol, polysorbate 60, polyoxyethylene sorbitan monoleate, the one or more combination in the propylene glycol.
The method for preparing of this vaginal cream agent may further comprise the steps:
1) gets emulsifying agent, the emollient heat fused;
2) place cosolvent to dissolve triamcinolone acetonide;
3) place water to dissolve the biological mucosa adhesive agent, and the adjusting PH is 4-5;
4) with other drug (if any) or adjuvant place 3) dissolving;
5) with 1), 2) and 4) under heating, stir.
Vagina gel is except that containing drug components such as triamcinolone acetonide, and used pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight:
Above-mentioned substrate is chitosan, gelatin, pectin, Acritamer 940, methylcellulose, sodium carboxymethyl cellulose, cross linked sodium polyacrylate, the one or more combination in the Polyethylene Glycol.
The method for preparing of this vagina gel may further comprise the steps:
Substrate is processed hydrogel matrix, add again triamcinolone acetonide and other drug (if any), mixing adds water to capacity, stirs promptly to get.
Vaginal suppository is except that containing drug components such as triamcinolone acetonide, and used pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight:
Above-mentioned substrate is chitosan, gelatin, pectin, Acritamer 940, Polyethylene Glycol, Myrj 52, the one or more combination in the cocoa butter.
The method for preparing of this vaginal suppository may further comprise the steps:
1) gets the substrate heat fused;
2) get triamcinolone acetonide and other drug (if any) under agitation add above-mentioned substrate, fully stir, irritate mould and promptly get.
The vagina effervescence agent is except that containing drug component such as triamcinolone acetonide, and used pharmaceutic adjuvant is effervescent tablet disintegrating agent acid 5~45 percentage by weights and effervescent tablet disintegrating agent alkali 5~45 percentage by weights mutually mutually:
Above-mentioned effervescent tablet disintegrating agent acid is citric acid mutually, tartaric acid, and one or more in the sodium dihydrogen phosphate, the acid of described effervescent tablet disintegrating agent is sodium bicarbonate or sodium carbonate mutually.
The method for preparing of this vagina effervescence agent may further comprise the steps:
1) get triamcinolone acetonide, other drug (if any) cross 100 mesh sieves mutually respectively with the acid of effervescent tablet disintegrating agent, mixing is crossed the wet grain of sieve series, in 40~60 ℃ of dryings;
2) get effervescent tablet disintegrating agent alkali and cross 100 mesh sieves mutually, cross the wet grain of sieve series, in 40~60 ℃ of dryings;
3) with 1) and 2) dry granular that makes mixes, and adds the moderate lubrication agent, mixing, tabletting promptly gets.
Vaginal tablet is except that containing drug components such as triamcinolone acetonide, and used pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight:
The disintegrating agent of above-mentioned vaginal tablet is a starch, microcrystalline Cellulose, the one or more combination in the carboxymethyl starch sodium.
The method for preparing of this vaginal tablet may further comprise the steps:
Get triamcinolone acetonide, other drug (if any) and disintegrating agent cross 100 mesh sieves respectively, mixing is crossed the wet grain of sieve series, in 40~60 ℃ of dryings; Add the moderate lubrication agent, mixing, tabletting promptly gets.
The vagina ointment is except that containing drug components such as triamcinolone acetonide, and used pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight:
The substrate of above-mentioned vagina ointment is selected from mineral oil, Polyethylene Glycol, and polyethylene etc., water-soluble binder is selected from gelatin, pectin, xanthan gum, sodium carboxymethyl cellulose, methylcellulose, oxidic polyethylene etc.
The method for preparing of this vagina ointment may further comprise the steps:
1) triamcinolone acetonide is placed mineral oil, Polyethylene Glycol calorifies 35 ℃ of fusing dissolvings in the methylcellulose;
2) with gelatin, pectin, xanthan gum, sodium carboxymethyl cellulose, oxidic polyethylene mix homogeneously;
3) with 1) and 2) under heating 40 ℃, stir.
The beneficial effect that the present invention brings is: the deficiency to prior art, a kind of method of treating cervical erosion is provided, and it is characterized in that using the topical preparation of containing triamcinolone acetonide treatment cervical erosion is treated.Therapeutic Method of the present invention has antiinflammatory and vasoconstriction function, rotten to the corn area is dwindled, shoals and the useful effect that disappeared, and the recurrence that suppresses cervical erosion is had good curative effect.
The specific embodiment
Embodiment 1
Prescription is formed:
Figure BSA00000594610500041
Preparation process:
1) get tristerin, stearyl alcohol, cetyl cetylate, octyl stearate calorify 80 ℃ of fusings.
2) triamcinolone acetonide is placed glycerol, polysorbate 60 dissolves in the polyoxyethylene sorbitan monoleate.
3) place water to dissolve the agent of high viscosity chitosan, and use lactic acid adjusting PH to be 4-5.
4) metronidazole is placed 3) dissolving.
5) with 1), 2) and 4) be stirred into emulsifiable paste in heating under 40 ℃.
Embodiment 2
Prescription is formed:
Figure BSA00000594610500042
Figure BSA00000594610500051
Preparation process:
1) get tristerin, stearyl alcohol, cetyl cetylate, octyl stearate calorify 80 ℃ of fusings;
2) triamcinolone acetonide is placed glycerol, polysorbate 60 dissolves in the polyoxyethylene sorbitan monoleate;
3) place water to dissolve the agent of high viscosity chitosan, and use lactic acid adjusting PH to be 4-5;
4) clindamycin is placed 3) dissolving;
5) with 1), 2) and 4) emulsifiable paste stirs under heating 40 ℃.
Embodiment 3
Prescription is formed:
Figure BSA00000594610500052
Preparation process:
1) the stearic alcohol ether of taking polyethylene glycol, hexadecanol, isopropyl myristate, Vitamin E acetate calorify 80 ℃ of fusings;
2) triamcinolone acetonide is placed glycerol, polysorbate 60 dissolves in the polyoxyethylene sorbitan monoleate;
3) place water to dissolve the agent of high viscosity chitosan, and use lactic acid adjusting PH to be 4-5;
4) metronidazole is placed 3) dissolving;
5) with 1), 2) and 4) emulsifiable paste stirs under heating 40 ℃.
Embodiment 4
Prescription is formed:
Figure BSA00000594610500061
Preparation process:
1) triamcinolone acetonide is placed propylene glycol, polysorbate 60 dissolves in the polyoxyethylene sorbitan monoleate;
2) place water to dissolve the agent of high viscosity chitosan, and use lactic acid adjusting PH to be 4-5;
3) metronidazole is placed 2) dissolving;
5) with 1) and 3) emulsifiable paste stirs under heating 40 ℃.
Embodiment 5
Prescription is formed:
Figure BSA00000594610500062
Preparation process:
1) triamcinolone acetonide is placed mineral oil, calorify 35 ℃ of fusing dissolvings in the polyethylene;
2) with gelatin, pectin and sodium carboxymethyl cellulose place water to dissolve;
3) with 1) and 2) ointment stirs under heating 40 ℃.
Embodiment 6
Prescription is formed:
Figure BSA00000594610500071
Preparation process:
1) triamcinolone acetonide is placed mineral oil, Polyethylene Glycol calorifies 35 ℃ of fusing dissolvings in the methylcellulose;
2) with gelatin, pectin, xanthan gum, sodium carboxymethyl cellulose, oxidic polyethylene mix homogeneously;
3) with 1) and 2) ointment stirs under heating 40 ℃.
Clinical effectiveness
For the slight patients of cervical ruin of 8 examples, adopt the triamcinolone acetonide ointment to treat, once a day, treated five days, clinical symptom disappearance, the cervix uteri epithelium restores fully.Check after January, show no cervical erosion recurrence.The patient feels well, does not have uncomfortable.
For 12 routine moderate patients of cervical ruin, adopt the triamcinolone acetonide ointment to treat, once a day, treat a week, clinical symptom disappearance, the cervix uteri epithelium restores fully.Check after January, show no cervical erosion recurrence.The patient feels well, does not have uncomfortable.
For 12 routine moderate and severe cervical patients, adopt the treatment of triamcinolone acetonide ointment, once a day, treat a week, clinical symptoms is clearly better, and cervix uteri epithelial erosion face obviously reduces.The patient feels well, no significant discomfort.

Claims (12)

1. method with the preparation for treating cervical erosion that contains triamcinolone acetonide is characterized in that adopting the topical preparation of containing triamcinolone acetonide cervical erosion is treated or to prevent.
2. a kind of usefulness as claimed in claim 1 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that, the described preparation that is used to treat cervical erosion contains the triamcinolone acetonide of 0.01~99.9 percentage by weight.
3. a kind of usefulness as claimed in claim 2 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that, the described preparation that is used to treat cervical erosion contains the pharmaceutic adjuvant of 0.1~99.99 percentage by weight.
4. a kind of usefulness as claimed in claim 3 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that the described preparation that is used to treat cervical erosion is the vaginal cream agent.Described pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight.Described substrate contains biological mucosa adhesive agent, emulsifying agent, emollient, cosolvent.Above-mentioned biological mucosa adhesive agent is selected from the one or more combination in chitosan and the derivant thereof.Above-mentioned emulsifying agent is selected from tristerin, stearyl alcohol, hexadecanol, the stearic alcohol ether of Polyethylene Glycol, the one or more combination in the Polyethylene Glycol hexadecanol ether.Above-mentioned emollient is selected from the cetyl cetylate, octyl stearate, the different monooctyl ester of stearic acid, oleic acid decanol, isopropyl myristate, Vitamin E acetate, the one or more combination in the sad cocoa ester.Above-mentioned cosolvent is selected from glycerol, polysorbate 60, polyoxyethylene sorbitan monoleate, the one or more combination in the propylene glycol.
5. a kind of usefulness as claimed in claim 3 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that the described preparation that is used to treat cervical erosion is a vagina gel.Described pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight.Described substrate is selected from chitosan, gelatin, pectin, Acritamer 940, methylcellulose, sodium carboxymethyl cellulose, cross linked sodium polyacrylate, the one or more combination in the Polyethylene Glycol.
6. a kind of usefulness as claimed in claim 3 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that the described preparation that is used to treat cervical erosion is a vaginal suppository.Described pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight.Described substrate is selected from chitosan, gelatin, pectin, Acritamer 940, Polyethylene Glycol, Myrj 52, the one or more combination in the cocoa butter.
7. a kind of usefulness as claimed in claim 3 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that the described preparation that is used to treat cervical erosion is a vagina effervescence.Described pharmaceutic adjuvant is effervescent tablet disintegrating agent acid 0.1~45 percentage by weight and effervescent tablet disintegrating agent alkali 0.1~45 percentage by weight mutually mutually.The acid of described effervescent tablet disintegrating agent is selected from citric acid mutually, tartaric acid, and one or more in the sodium dihydrogen phosphate, the acid of described effervescent tablet disintegrating agent is selected from sodium bicarbonate or sodium carbonate mutually.
8. a kind of usefulness as claimed in claim 3 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that the described preparation that is used to treat cervical erosion is a vaginal tablet.Described pharmaceutic adjuvant is disintegrating agent 0.1~99.99 percentage by weight.Described disintegrating agent is selected from starch, microcrystalline Cellulose, the one or more combination in the carboxymethyl starch sodium.
9. a kind of usefulness as claimed in claim 3 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that the described preparation that is used to treat cervical erosion is the vagina ointment.Described pharmaceutic adjuvant is substrate 0.1~99.99 percentage by weight.The substrate of above-mentioned vagina ointment is selected from mineral oil, Polyethylene Glycol, and polyethylene etc., water-soluble binder is selected from gelatin, pectin, xanthan gum, sodium carboxymethyl cellulose, the one or more combination in the oxidic polyethylene.
10. a kind of usefulness as claimed in claim 1 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that, the described preparation that is used to treat the cervical erosion method contains one or more antibiotic.
11. a kind of usefulness as claimed in claim 10 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that, described antibiotic is selected from metronidazole, tinidazole, ornidazole, clindamycin, azithromycin, clotrimazole, nitre miconazole, Nitric acid butoconazole.
12. a kind of usefulness as claimed in claim 10 contains the method for the preparation for treating cervical erosion of triamcinolone acetonide, it is characterized in that, the described preparation that is used to treat the cervical erosion method contains one or more antibiotic of 0.01~50 percentage by weight.
CN2011103187957A 2011-10-13 2011-10-13 Method for treating cervical erosion by using preparation containing triamcinolone acetonide Pending CN102416018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103187957A CN102416018A (en) 2011-10-13 2011-10-13 Method for treating cervical erosion by using preparation containing triamcinolone acetonide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011103187957A CN102416018A (en) 2011-10-13 2011-10-13 Method for treating cervical erosion by using preparation containing triamcinolone acetonide

Publications (1)

Publication Number Publication Date
CN102416018A true CN102416018A (en) 2012-04-18

Family

ID=45940821

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011103187957A Pending CN102416018A (en) 2011-10-13 2011-10-13 Method for treating cervical erosion by using preparation containing triamcinolone acetonide

Country Status (1)

Country Link
CN (1) CN102416018A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1856294A (en) * 2003-08-25 2006-11-01 弗米克斯有限公司 Osmotic drug foam

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1856294A (en) * 2003-08-25 2006-11-01 弗米克斯有限公司 Osmotic drug foam

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
孟庆华: "微波配合曲安奈德治疗复发性宫颈息肉的疗效观察", 《临床误诊误治》, vol. 17, no. 12, 31 December 2004 (2004-12-31), pages 841 *
潘小利: "硝酸咪康唑栓联合曲安奈德益康唑乳膏治疗外阴阴道假丝酵母菌病", 《当代医学》, vol. 17, no. 9, 31 March 2011 (2011-03-31), pages 6 - 7 *
黄雪松等: "宫颈糜烂临床治疗进展", 《临床军医杂志》, vol. 34, no. 3, 30 June 2006 (2006-06-30), pages 351 - 353 *

Similar Documents

Publication Publication Date Title
CN101175503B (en) Composition and method for regulating and remaining vaginal flora and vaginal acidity be normal
CN108635585A (en) A kind of pharmaceutical composition for treating senile vahinitis and temperature sensitive slow-releasing gel used and preparation method
KR20210119188A (en) Feminine vulva cleanser and method for producing the same
CN101069726B (en) Chinese medicine preparation of expelling toxin by cooling and eliminating damp and removing stasis, preparing method and use
CN104274741A (en) Medicinal composition and medicinal sanitary napkin for treating gynecological diseases
CN102038679B (en) Metronidazole, clotrimazole and chlorhexidine acetate vaginal gel and preparation method thereof
CN101797269A (en) Physiological balance liquid for adjusting microecology in vaginas of women
CN1943600B (en) Medicinal composition containing American cockroach and its ethanol extract and new use
CN104721418B (en) It is a kind of to be used to treat pharmaceutical composition of gynaecological imflammation and preparation method thereof and purposes
CN102416018A (en) Method for treating cervical erosion by using preparation containing triamcinolone acetonide
CN102846802B (en) Capsule for treating urinary system diseases and preparation method thereof
CN102641277B (en) Ointment for treating gynaopathy and dermatoses and preparation method thereof
CN101837067A (en) Medicinal composition for curing gynecological diseases and preparation method thereof
CN110327287A (en) It is a kind of for prevent and treat vaginitis containing lactose prod and its production technology
CN102552665A (en) Externally-applied traditional Chinese medicine composition for treating gynecological diseases
CN104983983A (en) Traditional Chinese medicine composition for treating gynecological disease and preparation thereof
CN101721395A (en) Water soluble gel containing xylitol and application thereof in medicine for treating cervical erosion
RU2150944C1 (en) Method of treatment of patient with bacterial vaginitis
CN101618192A (en) Pharmaceutical application of pharmaceutical composition containing zedoary turmeril oil
CN102225196A (en) Application of superoxide dismutase in preparing drugs for treating diseases of cervical erosion and colpitis
CN102366567B (en) Pharmaceutical composition for treating condyloma acuminatum, and preparation and application method
CN110448615A (en) A kind of Chinese medicine composition for treating gynaecological imflammation, drug and preparation method thereof
CN101647954A (en) Traditional Chinese medicine for treating cervicitis and preparation method and application thereof
RU2127595C1 (en) Method of treatment of patients with inflammatory sickness of female gonads in reproductive age
CN102048752B (en) Medicament for treating vaginitis and cervical erosion , and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120418