[go: up one dir, main page]

PT97357A - Processo para a preparacao de adesivos de poli-isobutileno para dispositivos transdermicos - Google Patents

Processo para a preparacao de adesivos de poli-isobutileno para dispositivos transdermicos

Info

Publication number
PT97357A
PT97357A PT97357A PT9735791A PT97357A PT 97357 A PT97357 A PT 97357A PT 97357 A PT97357 A PT 97357A PT 9735791 A PT9735791 A PT 9735791A PT 97357 A PT97357 A PT 97357A
Authority
PT
Portugal
Prior art keywords
devices
isobutilene
transdermic
adhesives
poly
Prior art date
Application number
PT97357A
Other languages
English (en)
Other versions
PT97357B (pt
Inventor
James A Hunt
James L Osborne
Melinda K Nelson
Karly S Wang
Original Assignee
Alza Corp
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=24027514&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT97357(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alza Corp filed Critical Alza Corp
Publication of PT97357A publication Critical patent/PT97357A/pt
Publication of PT97357B publication Critical patent/PT97357B/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
    • A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
    • A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
    • A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
    • A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
    • A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
    • A61K9/7084—Transdermal patches having a drug layer or reservoir, and one or more separate drug-free skin-adhesive layers, e.g. between drug reservoir and skin, or surrounding the drug reservoir; Liquid-filled reservoir patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/58—Adhesives
    • A61L15/585—Mixtures of macromolecular compounds

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Dermatology (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Hematology (AREA)
  • Materials Engineering (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Materials For Medical Uses (AREA)
PT97357A 1990-04-16 1991-04-12 Processo para a preparacao de adesivos de poli-isobutileno para dispositivos transdermicos PT97357B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/509,644 US5508038A (en) 1990-04-16 1990-04-16 Polyisobutylene adhesives for transdermal devices

Publications (2)

Publication Number Publication Date
PT97357A true PT97357A (pt) 1992-01-31
PT97357B PT97357B (pt) 1998-08-31

Family

ID=24027514

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97357A PT97357B (pt) 1990-04-16 1991-04-12 Processo para a preparacao de adesivos de poli-isobutileno para dispositivos transdermicos

Country Status (18)

Country Link
US (1) US5508038A (pt)
EP (1) EP0525105B1 (pt)
JP (1) JP3035346B2 (pt)
KR (1) KR0150228B1 (pt)
AT (1) ATE134512T1 (pt)
AU (1) AU630817B2 (pt)
CA (1) CA2040352A1 (pt)
DE (1) DE69117505T2 (pt)
DK (1) DK0525105T3 (pt)
ES (1) ES2084161T3 (pt)
FI (1) FI112171B (pt)
GR (1) GR3019157T3 (pt)
IE (1) IE74862B1 (pt)
NO (1) NO300086B1 (pt)
NZ (1) NZ237810A (pt)
PT (1) PT97357B (pt)
WO (1) WO1991016085A1 (pt)
ZA (1) ZA912753B (pt)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1251469B (it) * 1991-07-15 1995-05-15 Zambon Spa Sistema terapeutico transdermale per la somministrazione di farmaci ad attivita' broncodilatante.
DE69422925T2 (de) * 1993-07-09 2000-08-17 Cygnus, Inc. Verfahren und vorrichtung für die transdermale oder transbuccale therapeutische verabreichung von nikotinsubstituten
GB2281036A (en) * 1993-08-02 1995-02-22 Agri Tech Topical compositions containing polybutenes
US5770221A (en) * 1994-05-18 1998-06-23 Hisamitsu Pharmaceutical Co., Inc. Formulation for percutaneous administration for treating disturbance in micturition
AU4657896A (en) * 1995-01-19 1996-08-07 Cygnus, Inc. Polyisobutylene adhesives containing high TG tackifier for transdermal devices
IL122432A (en) * 1995-06-07 2000-07-16 Cygnus Therapeutic Systems Transdermal patch for preventing ovulation
JP3545532B2 (ja) * 1996-05-08 2004-07-21 鐘淵化学工業株式会社 複合ゴム粒子および複合ゴム系グラフト共重合体粒子
US6011116A (en) * 1996-05-08 2000-01-04 Kaneka Corporation Thermoplastic resin composition
US6007837A (en) * 1996-07-03 1999-12-28 Alza Corporation Drug delivery devices and process of manufacture
US6174545B1 (en) 1997-07-01 2001-01-16 Alza Corporation Drug delivery devices and process of manufacture
US5948433A (en) * 1997-08-21 1999-09-07 Bertek, Inc. Transdermal patch
US6605751B1 (en) * 1997-11-14 2003-08-12 Acrymed Silver-containing compositions, devices and methods for making
US6348210B1 (en) 1998-11-13 2002-02-19 Alza Corporation Methods for transdermal drug administration
DK1140039T3 (da) 1998-12-18 2010-03-22 Alza Corp Transparente indretninger til perkutan nikotinadministration
AU2742401A (en) 1999-12-30 2001-07-16 Acrymed Methods and compositions for improved delivery devices
DE10003767A1 (de) 2000-01-28 2001-10-04 Beiersdorf Ag Hautfreundliches Wirkstoffpflaster zur transdermalen Verabreichung nichtsteroidaler Antirheumatika
DE10056009A1 (de) * 2000-11-11 2002-05-16 Beiersdorf Ag Hautfreundliches Wirkstoffpflaster zur transdermalen Verabreichung hyperämisierender Wirkstoffe
US8486426B2 (en) 2002-07-29 2013-07-16 Kimberly-Clark Worldwide, Inc. Methods and compositions for treatment of dermal conditions
TWI296531B (en) 2002-10-18 2008-05-11 Hisamitsu Pharmaceutical Co Transdermal adhesive preparations for topical administration of fentanyl
BRPI0513967A (pt) 2004-07-30 2008-05-20 Acrymed Inc composições de prata antimicrobianas
US8361553B2 (en) 2004-07-30 2013-01-29 Kimberly-Clark Worldwide, Inc. Methods and compositions for metal nanoparticle treated surfaces
US10251392B2 (en) * 2004-07-30 2019-04-09 Avent, Inc. Antimicrobial devices and compositions
JP4745747B2 (ja) * 2004-08-12 2011-08-10 日東電工株式会社 フェンタニル含有貼付製剤
JP4824963B2 (ja) * 2004-08-12 2011-11-30 日東電工株式会社 貼付材及び貼付製剤
EP1809264B1 (en) * 2004-09-20 2016-04-13 Avent, Inc. Antimicrobial amorphous compositions
JP5058531B2 (ja) 2005-09-09 2012-10-24 日東電工株式会社 ビソプロロール含有貼付製剤
US8383149B2 (en) * 2005-09-23 2013-02-26 Alza Corporation High enhancer-loading polyacrylate formulation for transdermal applications
WO2007035940A2 (en) * 2005-09-23 2007-03-29 Alza Corporation Transdermal norelgestromin delivery system
EP1774964B1 (en) 2005-10-13 2014-08-06 Nitto Denko Corporation Nicotine transdermal preparation and production method thereof
EP2015722B1 (en) * 2006-04-28 2016-11-16 Avent, Inc. Antimicrobial site dressings
WO2008066642A2 (en) 2006-11-03 2008-06-05 Durect Corporation Transdermal delivery systems comprising bupivacaine
WO2008082558A2 (en) * 2006-12-20 2008-07-10 Alza Corporation Anode for electrotransport of cationic drug
WO2008088756A1 (en) * 2007-01-12 2008-07-24 Bridge Pharma, Inc. Dermal compositions of substituted amides and the use thereof as medication for pain and pruritus
US8703178B2 (en) * 2007-03-08 2014-04-22 Nitto Denko Corporation Percutaneous administration device of bisoprolol
EP2167045B1 (en) 2007-06-08 2017-08-09 University of Virginia Patent Foundation Topical poloxamer formulations for enhancing microvascular flow: compositions and uses thereof
CN101902996B (zh) * 2007-10-15 2014-11-26 阿尔扎公司 芬太尼的一天更换一次透皮施用
US20100190004A1 (en) * 2008-11-24 2010-07-29 Gibbins Bruce L Antimicrobial laminate constructs
NZ597993A (en) 2009-07-21 2013-06-28 Mylan Inc Process for the continuous manufacture of a polyisobutylene based transdermal patch
DE102009048973A1 (de) * 2009-10-09 2011-04-14 Beiersdorf Ag Transdermale therapeutische Systeme enthaltend 4-n-Butylresorcin
DE102011100619A1 (de) 2010-05-05 2012-01-05 Amw Gmbh Transdermales therapeutisches System (TTS) mit einem Gehalt an einem Opiod-Analgetikum
WO2012084969A1 (en) 2010-12-22 2012-06-28 Hexal Ag Adhesive composition containing rotigotine and transdermal therapeutic system comprising the adhesive composition
KR101857316B1 (ko) * 2011-02-02 2018-05-11 닛토덴코 가부시키가이샤 첩부제 및 첩부 제제
JP5698018B2 (ja) * 2011-02-02 2015-04-08 日東電工株式会社 貼付剤および貼付製剤
US9072682B2 (en) 2012-12-31 2015-07-07 Mylan Inc. Transdermal dosage form for low-melting point active agent
US20140271923A1 (en) 2013-03-14 2014-09-18 Christopher Brian Reid Compositions & formulations for preventing and treating chronic diseases that cluster in patients such as cardiovascular disease, diabetes, obesity, polycystic ovary syndrome, hyperlipidemia and hypertension, as well as for preventing and treating other diseases and conditions
WO2014205325A2 (en) * 2013-06-20 2014-12-24 Mylan Technologies, Inc. Storage stable transdermal patch of rotigotine
DE102017104026A1 (de) 2017-02-27 2018-08-30 Lts Lohmann Therapie-Systeme Ag Nicotin enthaltendes transparentes transdermales therapeutisches System
US10406114B2 (en) * 2017-06-11 2019-09-10 Masoumeh Nasrollahzadeh Abyazani Antibiotic-loaded transdermal patch
DE102017115701B4 (de) * 2017-07-12 2022-03-03 Lts Lohmann Therapie-Systeme Ag Fampridin-TTS
WO2021226470A1 (en) * 2020-05-08 2021-11-11 WeCool Toys Inc. Modular and customizable toy systems comprising building blocks, removable non-adhesive graphics, and built-in instructions
US20240149185A1 (en) * 2022-11-04 2024-05-09 Charlie-Kao Industry Co., Ltd. Building block assembly

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252802A (en) * 1964-06-11 1966-05-24 Canadian Patents Dev Method of supplementing the feed of growing swine with nicotine
US3433775A (en) * 1966-01-12 1969-03-18 Exxon Research Engineering Co Process of making butyl rubber whereby a broad molecular weight distribution is obtained under controlled conditions
GB1163339A (en) * 1966-01-25 1969-09-04 Montedison Spa Polyisobutene
US3598123A (en) * 1969-04-01 1971-08-10 Alza Corp Bandage for administering drugs
US3598122A (en) * 1969-04-01 1971-08-10 Alza Corp Bandage for administering drugs
US3734097A (en) * 1969-04-01 1973-05-22 Alza Corp Therapeutic adhesive tape
US3877468A (en) * 1970-07-22 1975-04-15 Leo Ab Chewable tobacco substitute composition
US3731683A (en) * 1971-06-04 1973-05-08 Alza Corp Bandage for the controlled metering of topical drugs to the skin
US3845217A (en) * 1972-11-16 1974-10-29 Helsingborg L Ab Buffered smoking substitute compositions
US3870794A (en) * 1974-02-20 1975-03-11 Foundation For Behavioral Rese Treatment of certain emotional disorders with nicotine compounds
US4125623A (en) * 1974-04-08 1978-11-14 U.S. Philips Corporation Spasmolytics
NL178686C (nl) * 1974-04-08 1986-05-01 Duphar Int Res Werkwijze ter bereiding of vervaardiging van spasmolytisch werkzame preparaten en werkwijze ter bereiding van n-alkyl-n-gesubstitueerd alkylbeta-fenylethylaminen met spasmolytische werking.
US3923939A (en) * 1974-06-07 1975-12-02 Alza Corp Process for improving release kinetics of a monolithic drug delivery device
US3926188A (en) * 1974-11-14 1975-12-16 Alza Corp Laminated drug dispenser
US4144317A (en) * 1975-05-30 1979-03-13 Alza Corporation Device consisting of copolymer having acetoxy groups for delivering drugs
US4562075A (en) * 1982-05-20 1985-12-31 Nelson Research & Development Co. Penetration enhancers for transdermal drug delivery of systemic agents
US4031894A (en) * 1975-12-08 1977-06-28 Alza Corporation Bandage for transdermally administering scopolamine to prevent nausea
US4262003A (en) * 1975-12-08 1981-04-14 Alza Corporation Method and therapeutic system for administering scopolamine transdermally
US4060084A (en) * 1976-09-07 1977-11-29 Alza Corporation Method and therapeutic system for providing chemotherapy transdermally
DE2702604C2 (de) * 1977-01-22 1984-08-30 Basf Ag, 6700 Ludwigshafen Polyisobutene
US4201211A (en) * 1977-07-12 1980-05-06 Alza Corporation Therapeutic system for administering clonidine transdermally
US4748181A (en) * 1979-08-28 1988-05-31 Foundation For Behavioral Research Method for treating hypertension with nicotine
US4286592A (en) * 1980-02-04 1981-09-01 Alza Corporation Therapeutic system for administering drugs to the skin
US4379454A (en) * 1981-02-17 1983-04-12 Alza Corporation Dosage for coadministering drug and percutaneous absorption enhancer
US4425337A (en) * 1981-12-30 1984-01-10 Merck & Co., Inc. Adjuvants for rectal delivery of drug
US4440740A (en) * 1982-04-26 1984-04-03 Merck & Co., Inc. α-Keto aldehydes as enhancing agents of gastro-intestinal drug absorption
IE54286B1 (en) * 1983-01-18 1989-08-16 Elan Corp Plc Drug delivery device
DE3344691A1 (de) * 1983-12-10 1985-06-20 Bayer Ag, 5090 Leverkusen Wirkstoffabgasesysteme
DE3347278A1 (de) * 1983-12-28 1985-07-11 Bayer Ag, 5090 Leverkusen Wirkstoffabgabesysteme
DE3586707T2 (de) * 1984-10-05 1993-02-11 Hercon Lab System zur transdermalen applikation eines arzneimittels.
US4573995A (en) * 1984-10-09 1986-03-04 Alza Corporation Transdermal therapeutic systems for the administration of naloxone, naltrexone and nalbuphine
DE3438284A1 (de) * 1984-10-16 1985-03-07 Hans-Harald von 2400 Lübeck Tilly Nikotinhaltiges depotpflaster
US4752478A (en) * 1984-12-17 1988-06-21 Merck & Co., Inc. Transdermal system for timolol
EP0190814B1 (en) * 1985-01-04 1992-05-13 E.R. Squibb & Sons, Inc. Wound dressing
US4597961A (en) * 1985-01-23 1986-07-01 Etscorn Frank T Transcutaneous application of nicotine
US4680172A (en) * 1985-03-05 1987-07-14 Ciba-Geigy Corporation Devices and methods for treating memory impairment
US4665069A (en) * 1985-04-02 1987-05-12 Barnett Rosenberg Analgesic composition and method of relieving pain
DE3518707A1 (de) * 1985-05-24 1986-11-27 Beiersdorf Ag, 2000 Hamburg Nitro-pflaster
EP0204968B1 (de) * 1985-05-24 1989-09-27 Beiersdorf Aktiengesellschaft Nitro-Pflaster
US4647580A (en) * 1985-07-18 1987-03-03 Syntex (U.S.A.) Inc. Treatment of Alzheimer's disease
US4715387A (en) * 1985-08-23 1987-12-29 The Regents Of The Univ. Of California Aerosol for use in the reduction of tobacco smoking
AU6630086A (en) * 1985-11-14 1987-06-02 David I. Rosen Transdermal application of nicotine
US4797284A (en) * 1986-03-12 1989-01-10 Merck & Co., Inc. Transdermal drug delivery system
DE3786199T2 (de) * 1986-04-03 1993-09-23 Hercon Lab Artikel fuer die verabreichung pharmakologisch aktiver substanzen.
DE3629304A1 (de) * 1986-08-28 1988-03-24 Lohmann Gmbh & Co Kg Transdermales therapeutisches system, seine verwendung und verfahren zu seiner herstellung
EP0273004B1 (de) * 1986-11-20 1993-08-11 Ciba-Geigy Ag Benutzer-aktivierte Therapeutische Systeme
US4839174A (en) * 1987-10-05 1989-06-13 Pharmetrix Corporation Novel transdermal nicotine patch
JPH01251619A (ja) * 1988-03-30 1989-10-06 Nec Corp 半導体装置の製造方法
JPH0725669B2 (ja) * 1988-12-23 1995-03-22 日東電工株式会社 経皮投与用医薬製剤

Also Published As

Publication number Publication date
GR3019157T3 (en) 1996-05-31
DE69117505T2 (de) 1996-07-11
DE69117505D1 (de) 1996-04-04
WO1991016085A1 (en) 1991-10-31
EP0525105B1 (en) 1996-02-28
DK0525105T3 (da) 1996-06-24
IE911244A1 (en) 1991-10-23
NO923954D0 (no) 1992-10-12
JPH05507682A (ja) 1993-11-04
AU630817B2 (en) 1992-11-05
PT97357B (pt) 1998-08-31
FI924676A (fi) 1992-10-15
CA2040352A1 (en) 1991-10-17
ZA912753B (en) 1992-01-29
NO300086B1 (no) 1997-04-07
JP3035346B2 (ja) 2000-04-24
EP0525105A1 (en) 1993-02-03
FI924676A0 (fi) 1992-10-15
KR0150228B1 (ko) 1998-10-01
IE74862B1 (en) 1997-08-13
US5508038A (en) 1996-04-16
NO923954L (no) 1992-12-16
ATE134512T1 (de) 1996-03-15
AU7852191A (en) 1991-11-11
NZ237810A (en) 1992-03-26
ES2084161T3 (es) 1996-05-01
FI112171B (fi) 2003-11-14

Similar Documents

Publication Publication Date Title
PT97357A (pt) Processo para a preparacao de adesivos de poli-isobutileno para dispositivos transdermicos
ATE203559T1 (de) Klebstoffe
DK0379045T3 (da) Transdermalt lægemiddelafgivelsessystem på basis af en acrylmultipolymer
NO2017011I1 (no) Buprenorfin
AU7396294A (en) Incorporating poly-n-vinyl amide in a transdermal system
ATE99176T1 (de) Transdermales arzneimittelabgabesytem auf der grundlage eines multipolymers.
BR0209709A (pt) Composições hipotensivas de lipìdio e timolol e métodos de uso das mesmas
MY118651A (en) Hydrophilic adhesive masses
DK0598606T3 (da) Ekstruderbare sammensætninger til topisk transdermal afgivelse af lægemidler
GEP20012388B (en) Metalloproteinase Inhibitors, Pharmaceutical Compositions on Their Base, Use and Methods for Obtaining and Intermediates
KR960013371A (ko) 약학적 혼합물
UA29400C2 (uk) Пластир для трансдермального введення нітрогліцерину та спосіб його виготовлення
YU16399A (sh) ) UPOTREBA INHIBITOR H +, K+ - ATP- aze I FARMACEUTSKA FORMULACIJA ZA SIMULTANU, SEPARATNU ILI SEKVENCIJALNU UPOTREBU, KOJA SADRZI INHIBITOR H +, K+-ATP- aze I GLUKOKORTIKOID INHIBITOR H +, K+- ATP- aze
CA2004597A1 (en) Topical formulations and transdermal delivery systems containing 1-isobutyl-1h-imidazo-[4,5-c]quinoline-4-amine
ATE198617T1 (de) Selbstklebender heizschmolzkleber für hygieneprodukte
DE69029967D1 (de) Partielle agonisten der strychnin unempfindlichen glycinmodulierenden stelle des n-methyl-d-aspartat-rezeptor-komplexes als neuropsycho-pharmakologische wirkstoffe
DE69227816D1 (de) Verbesserte druckempfindliche bituminöse Zusammensetzungen
ATE359066T1 (de) Pflaster mit 4-biphenylessigsäure
DE59801586D1 (de) Zur topischen applikation bestimmte diclofenac-lösung
UA28007C2 (uk) Композиція, що фотополімеризується

Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19910912

FG3A Patent granted, date of granting

Effective date: 19980504

MM4A Annulment/lapse due to non-payment of fees, searched and examined patent

Free format text: MAXIMUM VALIDITY LIMIT REACHED

Effective date: 20130506