[go: up one dir, main page]

PT88099A - Processo para a preparacao de composicoes farmaceuticas de acetaminofeno orais e de libertacao prolongada - Google Patents

Processo para a preparacao de composicoes farmaceuticas de acetaminofeno orais e de libertacao prolongada

Info

Publication number
PT88099A
PT88099A PT88099A PT8809988A PT88099A PT 88099 A PT88099 A PT 88099A PT 88099 A PT88099 A PT 88099A PT 8809988 A PT8809988 A PT 8809988A PT 88099 A PT88099 A PT 88099A
Authority
PT
Portugal
Prior art keywords
acetaminophenic
pharmaceutical
compounds
preparation
prolonged liberation
Prior art date
Application number
PT88099A
Other languages
English (en)
Other versions
PT88099B (pt
Inventor
Galen Radebaugh
John Lee Murtha
Robert Glinecke
Original Assignee
Mcneilab Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22142148&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT88099(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mcneilab Inc filed Critical Mcneilab Inc
Publication of PT88099A publication Critical patent/PT88099A/pt
Publication of PT88099B publication Critical patent/PT88099B/pt

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/16Amides, e.g. hydroxamic acids
    • A61K31/165Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2004Excipients; Inactive ingredients
    • A61K9/2022Organic macromolecular compounds
    • A61K9/205Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2072Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2086Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
    • A61K9/209Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2095Tabletting processes; Dosage units made by direct compression of powders or specially processed granules, by eliminating solvents, by melt-extrusion, by injection molding, by 3D printing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/04Centrally acting analgesics, e.g. opioids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pain & Pain Management (AREA)
  • Rheumatology (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicinal Preparation (AREA)
PT88099A 1987-07-27 1988-07-26 Processo para a preparacao de composicoes farmaceuticas de acetaminofeno orais e de libertacao prolongada PT88099B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/078,138 US4820522A (en) 1987-07-27 1987-07-27 Oral sustained release acetaminophen formulation and process

Publications (2)

Publication Number Publication Date
PT88099A true PT88099A (pt) 1989-06-30
PT88099B PT88099B (pt) 1995-03-01

Family

ID=22142148

Family Applications (1)

Application Number Title Priority Date Filing Date
PT88099A PT88099B (pt) 1987-07-27 1988-07-26 Processo para a preparacao de composicoes farmaceuticas de acetaminofeno orais e de libertacao prolongada

Country Status (16)

Country Link
US (1) US4820522A (pt)
EP (1) EP0305051B1 (pt)
JP (1) JP2720932B2 (pt)
KR (1) KR960005706B1 (pt)
AU (1) AU611704B2 (pt)
CA (1) CA1315202C (pt)
DE (1) DE3880762T2 (pt)
ES (1) ES2054813T3 (pt)
GR (1) GR1000254B (pt)
HK (1) HK87893A (pt)
IE (1) IE62831B1 (pt)
IN (1) IN166560B (pt)
NZ (1) NZ225402A (pt)
PH (1) PH25376A (pt)
PT (1) PT88099B (pt)
ZA (1) ZA885460B (pt)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073380A (en) * 1987-07-27 1991-12-17 Mcneil-Ppc, Inc. Oral sustained release pharmaceutical formulation and process
US5004613A (en) * 1987-07-27 1991-04-02 Mcneil-Ppc, Inc. Oral sustained release pharmaceutical formulation and process
US4968509A (en) * 1987-07-27 1990-11-06 Mcneilab, Inc. Oral sustained release acetaminophen formulation and process
US5085865A (en) * 1989-04-12 1992-02-04 Warner-Lambert Company Sustained release pharmaceutical preparations containing an analgesic and a decongestant
NZ233403A (en) * 1989-04-28 1992-09-25 Mcneil Ppc Inc Simulated capsule-like medicament
US5037658A (en) * 1989-09-14 1991-08-06 Hoechst-Roussel Pharmaceuticals, Inc. Direct dry compressible acetaminophen composition
US5198228A (en) * 1989-09-14 1993-03-30 Hoechst-Roussel Pharmaceuticals Inc. Direct dry compressible acetaminophen tablet
US5130140A (en) * 1989-09-14 1992-07-14 Hoeschst-Roussel Pharmaceuticals Inc. Method of making direct dry compressible acetaminophen composition
JPH0714872B2 (ja) * 1990-02-06 1995-02-22 昭和薬品化工株式会社 シロップ剤組成物
US5643591A (en) * 1991-01-16 1997-07-01 Fmc Corporation Solid dosage forms
FR2677886B1 (fr) * 1991-06-18 1995-03-31 Adir Comprime matriciel permettant la liberation prolongee d'indapamide apres administration par voie orale.
US5141961A (en) * 1991-06-27 1992-08-25 Richrdson-Vicks Inc. Process for solubilizing difficulty soluble pharmaceutical actives
US5225201A (en) * 1991-08-23 1993-07-06 Minnesota Mining And Manufacturing Company Salsalate tablet
US5431916A (en) * 1993-04-29 1995-07-11 The Procter & Gamble Company Pharmaceutical compositions and process of manufacture thereof
US5370878A (en) * 1993-09-30 1994-12-06 Hallmark Pharmaceuticals, Inc. Method for preparing a direct compression granulated acetaminophen composition
US6210714B1 (en) * 1993-11-23 2001-04-03 Euro-Celtique S.A. Immediate release tablet cores of acetaminophen having sustained-release coating
GB9325445D0 (en) 1993-12-13 1994-02-16 Cortecs Ltd Pharmaceutical formulations
US6936277B2 (en) 1995-01-09 2005-08-30 J. Rettenmaier & Soehne Gmbh & Co. Kg Pharmaceutical excipient having improved compressibility
US5585115A (en) 1995-01-09 1996-12-17 Edward H. Mendell Co., Inc. Pharmaceutical excipient having improved compressability
US5948438A (en) * 1995-01-09 1999-09-07 Edward Mendell Co., Inc. Pharmaceutical formulations having improved disintegration and/or absorptivity
US6471994B1 (en) 1995-01-09 2002-10-29 Edward Mendell Co., Inc. Pharmaceutical excipient having improved compressibility
US6395303B1 (en) 1996-06-10 2002-05-28 Edward Mendell Co., Inc. Process for preparing a directly compressible solid dosage form containing microcrystalline cellulose
CR5278A (es) * 1995-03-24 1996-07-04 Lilly Co Eli Formulacion oral de 2-metil-tieno-benzodiacepina
US6391337B2 (en) 1995-11-15 2002-05-21 Edward Mendell Co., Inc. Directly compressible high load acetaminophen formulations
US6852336B2 (en) 1995-11-15 2005-02-08 J. Rettenmaier & Soehne Gmbh + Co. Kg Directly compressible high load acetaminophen formulations
US5733578A (en) * 1995-11-15 1998-03-31 Edward Mendell Co., Inc. Directly compressible high load acetaminophen formulations
US5773031A (en) * 1996-02-27 1998-06-30 L. Perrigo Company Acetaminophen sustained-release formulation
US5766623A (en) * 1996-03-25 1998-06-16 State Of Oregon Acting By And Through The Oregon State Board Of Higher Education On Behalf Of Oregon State University Compactable self-sealing drug delivery agents
AU719788B2 (en) * 1996-09-24 2000-05-18 Eli Lilly And Company Coated particle formulation
US7179486B1 (en) 1997-04-01 2007-02-20 Nostrum Pharmaceuticals, Inc. Process for preparing sustained release tablets
US8524277B2 (en) * 1998-03-06 2013-09-03 Alza Corporation Extended release dosage form
US6126967A (en) * 1998-09-03 2000-10-03 Ascent Pediatrics Extended release acetaminophen particles
US6254891B1 (en) 1998-09-03 2001-07-03 Ascent Pediatrics, Inc. Extended release acetaminophen
US6723342B1 (en) 1999-02-08 2004-04-20 Fmc Corporation Edible coating composition
US6432448B1 (en) 1999-02-08 2002-08-13 Fmc Corporation Edible coating composition
US6245913B1 (en) 1999-06-30 2001-06-12 Wockhardt Europe Limited Synthetic procedure for 5-methoxy-2-[(4-methoxy-3,5-dimethyl-2-pyridinyl)-methylthio]-IH-benzimidazole hydrochloride and its conversion to omeprazole
US6264983B1 (en) * 1999-09-16 2001-07-24 Rhodia, Inc. Directly compressible, ultra fine acetaminophen compositions and process for producing same
US6500462B1 (en) 1999-10-29 2002-12-31 Fmc Corporation Edible MCC/PGA coating composition
GB0009522D0 (en) 2000-04-19 2000-06-07 Smithkline Beecham Plc Composition
US6358526B1 (en) 2000-08-16 2002-03-19 Rexall Sundown Method of making tablets and tablet compositions produced therefrom
SE0003125D0 (sv) * 2000-09-05 2000-09-05 Astrazeneca Ab Modified polymers
US6699315B2 (en) 2000-11-28 2004-03-02 Fmc Corporation Edible PGA coating composition
KR100392430B1 (ko) * 2001-02-01 2003-07-23 부광약품 주식회사 속효성과 지속성을 동시에 갖는 발포성 아세트아미노펜제제
US6602911B2 (en) * 2001-11-05 2003-08-05 Cypress Bioscience, Inc. Methods of treating fibromyalgia
PT1485078E (pt) * 2002-03-15 2013-01-14 Cypress Bioscience Inc Milnacipran para o tratamento do síndrome do intestino irritável
KR100522239B1 (ko) * 2002-07-16 2005-10-18 주식회사 서울제약 아세트아미노펜을 함유하는 제어방출성의 경구용 제제
ATE386509T1 (de) * 2002-09-21 2008-03-15 Shuyi Zhang Formulierung von acetaminophen und tramadol mit verzögerter freisetzung
US20090162431A1 (en) * 2002-09-21 2009-06-25 Shuyi Zhang Sustained release formulations containing acetaminophen and tramadol
US20040132826A1 (en) * 2002-10-25 2004-07-08 Collegium Pharmaceutical, Inc. Modified release compositions of milnacipran
TWI319713B (en) * 2002-10-25 2010-01-21 Sustained-release tramadol formulations with 24-hour efficacy
US8487002B2 (en) * 2002-10-25 2013-07-16 Paladin Labs Inc. Controlled-release compositions
US20060003004A1 (en) * 2002-10-25 2006-01-05 Collegium Pharmaceutical, Inc. Pulsatile release compositions of milnacipran
WO2004067039A1 (en) * 2003-01-28 2004-08-12 Collegium Pharmaceutical, Inc. Multiparticulate compositions of milnacipran for oral administration
ATE504288T1 (de) * 2003-09-26 2011-04-15 Alza Corp Oros-push-stick für die kontrollierte abgabe von wirkstoffen
EP1680094A1 (en) * 2003-09-26 2006-07-19 Alza Corporation Controlled release formulations of opioid and nonopioid analgesics
US8246986B2 (en) 2003-09-26 2012-08-21 Alza Corporation Drug coating providing high drug loading
CA2540059C (en) * 2003-09-26 2013-08-06 Alza Corporation Controlled release formulations exhibiting an ascending rate of release
US20060172006A1 (en) * 2003-10-10 2006-08-03 Vincent Lenaerts Sustained-release tramadol formulations with 24-hour clinical efficacy
US7897172B2 (en) * 2004-05-18 2011-03-01 L. Perrigo Company Tablets exhibiting reduced drug release variability
US20060018837A1 (en) * 2004-07-26 2006-01-26 Victory Pharma, Inc. Pharmaceutical compositions and methods for the prevention of drug misuse
US8541026B2 (en) * 2004-09-24 2013-09-24 Abbvie Inc. Sustained release formulations of opioid and nonopioid analgesics
RU2008113439A (ru) * 2005-09-09 2009-10-20 Лабофарм Инк. (CA) Композиции с замедленным высвобождением лекарственного средства
US7994220B2 (en) 2005-09-28 2011-08-09 Cypress Bioscience, Inc. Milnacipran for the long-term treatment of fibromyalgia syndrome
GB0525461D0 (en) 2005-12-15 2006-01-25 Archimedes Dev Ltd Pharmaceutical compositions
US20090317355A1 (en) * 2006-01-21 2009-12-24 Abbott Gmbh & Co. Kg, Abuse resistant melt extruded formulation having reduced alcohol interaction
US20100172989A1 (en) * 2006-01-21 2010-07-08 Abbott Laboratories Abuse resistant melt extruded formulation having reduced alcohol interaction
US20090022798A1 (en) * 2007-07-20 2009-01-22 Abbott Gmbh & Co. Kg Formulations of nonopioid and confined opioid analgesics
KR100753480B1 (ko) * 2006-01-27 2007-08-31 씨제이 주식회사 잘토프로펜 함유 서방성 정제 및 그 제조방법
KR100762847B1 (ko) * 2006-01-27 2007-10-04 씨제이 주식회사 멀티플 유닛 타입 서방성 경구 제제 및 그 제조방법
US20080057122A1 (en) * 2006-08-31 2008-03-06 Aaipharma Inc. Acetaminophen pharmaceutical compositions
EP2813144A1 (en) 2006-10-09 2014-12-17 Charleston Laboratories, Inc. Analgesic compositions comprising an antihistamine
US9078824B2 (en) * 2007-09-24 2015-07-14 The Procter & Gamble Company Composition and method of stabilized sensitive ingredient
ES2541809T3 (es) * 2007-10-16 2015-07-24 Paladin Labs Inc. Composición bicapa para la liberación sostenida de acetaminofeno y tramadol
RU2010129907A (ru) 2007-12-17 2012-01-27 Лабофарм Инк. (CA) Лекарственная форма с контролируемым высвобождением, предотвращающая неправильное употребление
JP5714910B2 (ja) 2008-01-09 2015-05-07 チャールストン ラボラトリーズ,インコーポレイテッド 薬学的組成物
US9226907B2 (en) 2008-02-01 2016-01-05 Abbvie Inc. Extended release hydrocodone acetaminophen and related methods and uses thereof
EP2262484B1 (en) 2008-03-11 2013-01-23 Depomed, Inc. Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic
US8372432B2 (en) 2008-03-11 2013-02-12 Depomed, Inc. Gastric retentive extended-release dosage forms comprising combinations of a non-opioid analgesic and an opioid analgesic
US8343524B2 (en) * 2008-07-31 2013-01-01 Clarke Mosquito Control Products, Inc. Extended release tablet and method for making and using same
US8486449B2 (en) 2008-12-16 2013-07-16 Paladin Labs Inc. Misuse preventative, controlled release formulation
EP3311667A1 (en) 2009-07-08 2018-04-25 Charleston Laboratories, Inc. Pharmaceutical compositions
EP2473195A4 (en) * 2009-08-31 2013-01-16 Depomed Inc PHARMACEUTICAL MAGNETIC RELEASE COMPOSITIONS FOR IMMEDIATE AND EXTENDED RELEASE OF ACETAMINOPHES
KR101573889B1 (ko) 2009-10-09 2015-12-04 영진약품공업주식회사 속효성과 지속성을 동시에 갖는 약제학적 조성물
CA2835330A1 (en) * 2011-05-06 2012-11-15 Glaxosmithkline Llc Sustained release paracetamol formulations
JP6093762B2 (ja) 2011-10-21 2017-03-08 武田薬品工業株式会社 徐放性製剤
WO2016042570A1 (en) * 2014-09-16 2016-03-24 Suresh Pareek Extended release formulation of acetaminophen
CA2936748C (en) 2014-10-31 2017-08-08 Purdue Pharma Methods and compositions particularly for treatment of attention deficit disorder
CA3055170A1 (en) 2016-03-04 2017-09-08 Charleston Laboratories, Inc. Pharmaceutical compositions
US10722473B2 (en) 2018-11-19 2020-07-28 Purdue Pharma L.P. Methods and compositions particularly for treatment of attention deficit disorder

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390032A (en) * 1971-08-27 1975-04-09 Sterling Winthrop Group Ltd Pharmaceutical compositions
US4013785A (en) * 1975-03-21 1977-03-22 Bristol-Myers Company Apap tablet containing fumed silica and process for manufacturing same
DE2520978C3 (de) * 1975-05-10 1981-02-19 Hoechst Ag, 6000 Frankfurt Dosierungseinheit einer festen, oral zu verabreichenden Arzneiform von wasserlöslichen Xanthin-Derivaten
US4097606A (en) * 1975-10-08 1978-06-27 Bristol-Myers Company APAP Tablet containing an alkali metal carboxymethylated starch and processes for manufacturing same
US4264573A (en) 1979-05-21 1981-04-28 Rowell Laboratories, Inc. Pharmaceutical formulation for slow release via controlled surface erosion
US4439453A (en) * 1980-12-22 1984-03-27 Monsanto Company Directly compressible acetaminophen granulation
US4369308A (en) * 1981-07-24 1983-01-18 National Starch And Chemical Corporation Low swelling starches as tablet disintegrants
US4600579A (en) * 1983-06-07 1986-07-15 Mallinckrodt, Inc. N-acetyl-p-aminophenol compositions containing partially gelatinized starch and method for preparing same
US4661521A (en) * 1984-04-30 1987-04-28 Mallinckrodt, Inc. Direct tableting acetaminophen compositions
JPS6143108A (ja) * 1984-08-03 1986-03-01 Nippon Shinyaku Co Ltd 医薬品製剤及びその製造法
IE58110B1 (en) * 1984-10-30 1993-07-14 Elan Corp Plc Controlled release powder and process for its preparation
US4710519A (en) * 1985-09-30 1987-12-01 Basf Corporation Process for preparing spray dried acetaminophen powder and the powder prepared thereby
FR2588188B1 (fr) * 1985-10-04 1988-01-08 Delalande Sa Comprime de sel(s) hydrosoluble(s) de cinepazide a liberation programmee et son procede de preparation

Also Published As

Publication number Publication date
AU611704B2 (en) 1991-06-20
EP0305051A1 (en) 1989-03-01
US4820522A (en) 1989-04-11
JP2720932B2 (ja) 1998-03-04
AU2001288A (en) 1989-04-20
IE882286L (en) 1989-01-27
KR890001526A (ko) 1989-03-27
ES2054813T3 (es) 1994-08-16
IE62831B1 (en) 1995-03-08
ZA885460B (en) 1990-03-28
GR1000254B (el) 1992-05-12
DE3880762D1 (de) 1993-06-09
KR960005706B1 (ko) 1996-05-01
JPS6440424A (en) 1989-02-10
HK87893A (en) 1993-09-03
CA1315202C (en) 1993-03-30
GR880100491A (en) 1989-04-12
PH25376A (en) 1991-06-03
EP0305051B1 (en) 1993-05-05
IN166560B (pt) 1990-06-09
NZ225402A (en) 1990-06-26
DE3880762T2 (de) 1993-09-23
PT88099B (pt) 1995-03-01

Similar Documents

Publication Publication Date Title
PT88099A (pt) Processo para a preparacao de composicoes farmaceuticas de acetaminofeno orais e de libertacao prolongada
PT88261A (pt) Processo para a preparacao de nucleosidos com efeito terapeutico
PT91731A (pt) Processo para a preparacao de composicoes farmaceuticas contendo ciclosporinas
PT89276A (pt) Processo para a preparacao de uma formulacao farmaceutica de libertacao prolongada
BR8802484A (pt) Processo para a preparacao de isocianatos
PT83756B (pt) Processo para a preparacao de composicoes farmaceuticas com libertacao controlada
BR8806789A (pt) Processo para a preparacao de um polibuteno
PT89264A (pt) Processo para a preparacao de compostos azabiciclicos
PT92534A (pt) Processo para a preparacao de compostos azabiciclicos
PT88225A (pt) Processo para a preparacao de formulacoes farmaceuticas contendo di-hidropiridinas
PT90293A (pt) Processo para a preparacao de macrolidos
PT91068A (pt) Processo para a preparacao de compostos biarilo
PT89205A (pt) Processo para a preparacao de derivados de indano
BR8906327A (pt) Processo para a preparacao de organoclorossilanos
PT91872A (pt) Processo para a preparacao de compostos azabiciclicos
BR8802843A (pt) Processo para a preparacao de alcanotriois e alcanopoliois
PT92638A (pt) Processo para a preparacao de poliazamacrociclos mono-n-alquilados
PT90854A (pt) Processo para a preparacao de 1-aril-2-naftoilaminas
PT90266A (pt) Processo para a preparacao de compostos azabiciclicos
PT88181A (pt) Processo para a preparacao de derivados aralquilaminoalcoxifenilo
PT89039A (pt) Processo para a preparacao de l-ramnose
BR8803678A (pt) Processo para a preparacao de polieteramidas
PT89056A (pt) Processo para a preparacao de hidroxilaminas substituidas
PT82383B (pt) Processo para a preparacao de epipodofilotoxina e compostos afins
BR8806351A (pt) Processo para a preparacao de fenil-ureias

Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19940809

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19990228