JPS5645920A - Copolymer by polymerization of glycolic acid and lactic acid - Google Patents

Copolymer by polymerization of glycolic acid and lactic acid

Info

Publication number
JPS5645920A
JPS5645920A JP12664280A JP12664280A JPS5645920A JP S5645920 A JPS5645920 A JP S5645920A JP 12664280 A JP12664280 A JP 12664280A JP 12664280 A JP12664280 A JP 12664280A JP S5645920 A JPS5645920 A JP S5645920A
Authority
JP
Japan
Prior art keywords
polymerization
copolymer
acid
lactic acid
glycolic acid
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.)
Granted
Application number
JP12664280A
Other languages
English (en)
Other versions
JPH0121166B2 (ja
Inventor
Sutefuan Nebin Roberuto
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.)
Eli Lilly and Co
Original Assignee
Eli Lilly and Co
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 Eli Lilly and Co filed Critical Eli Lilly and Co
Publication of JPS5645920A publication Critical patent/JPS5645920A/ja
Publication of JPH0121166B2 publication Critical patent/JPH0121166B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Medicinal Preparation (AREA)
  • Biological Depolymerization Polymers (AREA)
JP12664280A 1979-09-12 1980-09-11 Copolymer by polymerization of glycolic acid and lactic acid Granted JPS5645920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/075,296 US4273920A (en) 1979-09-12 1979-09-12 Polymerization process and product

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP63107377A Division JPH0198617A (ja) 1979-09-12 1988-04-26 グリコール酸と乳酸の重合によるコポリマー

Publications (2)

Publication Number Publication Date
JPS5645920A true JPS5645920A (en) 1981-04-25
JPH0121166B2 JPH0121166B2 (ja) 1989-04-20

Family

ID=22124778

Family Applications (2)

Application Number Title Priority Date Filing Date
JP12664280A Granted JPS5645920A (en) 1979-09-12 1980-09-11 Copolymer by polymerization of glycolic acid and lactic acid
JP63107377A Granted JPH0198617A (ja) 1979-09-12 1988-04-26 グリコール酸と乳酸の重合によるコポリマー

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP63107377A Granted JPH0198617A (ja) 1979-09-12 1988-04-26 グリコール酸と乳酸の重合によるコポリマー

Country Status (31)

Country Link
US (1) US4273920A (ja)
EP (1) EP0026599B1 (ja)
JP (2) JPS5645920A (ja)
AR (1) AR221173A1 (ja)
AT (1) AT380689B (ja)
AU (1) AU539130B2 (ja)
BE (1) BE885182A (ja)
BG (1) BG41132A3 (ja)
CA (1) CA1185048A (ja)
CH (1) CH648048A5 (ja)
CS (1) CS221979B2 (ja)
DD (1) DD153125A5 (ja)
DE (1) DE3068116D1 (ja)
DK (1) DK155093C (ja)
EG (1) EG14381A (ja)
ES (1) ES494974A0 (ja)
FI (1) FI66412C (ja)
FR (1) FR2464973A1 (ja)
GB (1) GB2058808B (ja)
GR (1) GR69961B (ja)
GT (1) GT198065361A (ja)
HU (1) HU191807B (ja)
IE (1) IE50236B1 (ja)
IL (1) IL61024A (ja)
IT (1) IT1141040B (ja)
NZ (1) NZ194902A (ja)
PH (1) PH15272A (ja)
PL (1) PL129779B1 (ja)
PT (1) PT71794B (ja)
RO (1) RO80864A (ja)
ZA (1) ZA805629B (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128521A (ja) * 1984-07-06 1986-02-08 Wako Pure Chem Ind Ltd 新規重合体及びその製造法
JPS61111326A (ja) * 1985-08-21 1986-05-29 Wako Pure Chem Ind Ltd 重合体の製造法
US5194473A (en) * 1989-05-26 1993-03-16 Mitsui Toatsu Chemicals, Inc. Modified polyester composition and preparation process and use thereof
WO1993012160A1 (en) * 1991-12-19 1993-06-24 Mitsui Toatsu Chemicals, Inc. Polyhydroxy carboxylic acid and production thereof
EP0710684A2 (en) 1994-11-02 1996-05-08 MITSUI TOATSU CHEMICALS, Inc. Preparation process of polyhydroxycarboxylic acid
JP4817321B2 (ja) * 2004-04-28 2011-11-16 学校法人慶應義塾 主鎖にエステル結合を有するポリマーの解重合方法及び解重合生成物から主鎖にエステル結合を有するポリマーを製造する方法

Families Citing this family (82)

* Cited by examiner, † Cited by third party
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US4333919A (en) * 1979-09-12 1982-06-08 Eli Lilly And Company Growth promotant controlled release formulations and method of treatment
IE52535B1 (en) * 1981-02-16 1987-12-09 Ici Plc Continuous release pharmaceutical compositions
US4716964A (en) * 1981-08-10 1988-01-05 Exxon Production Research Company Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion
US4523591A (en) * 1982-10-22 1985-06-18 Kaplan Donald S Polymers for injection molding of absorbable surgical devices
FR2537980B1 (fr) * 1982-12-17 1986-12-19 Sandoz Sa Derives d'acides hydroxycarboxyliques oligomeres, leur preparation et leur utilisation
US4470416A (en) * 1983-06-17 1984-09-11 Ethicon, Inc. Copolymers of lactide and/or glycolide with 1,5-dioxepan-2-one
CH656884A5 (de) * 1983-08-26 1986-07-31 Sandoz Ag Polyolester, deren herstellung und verwendung.
US4594407A (en) * 1983-09-20 1986-06-10 Allied Corporation Prosthetic devices derived from krebs-cycle dicarboxylic acids and diols
JPS60100516A (ja) * 1983-11-04 1985-06-04 Takeda Chem Ind Ltd 徐放型マイクロカプセルの製造法
ES2091185T3 (es) * 1984-03-06 1996-11-01 United States Surgical Corp Un procedimiento para la preparacion de composiciones bifasicas para dispositivos quirurgicos absorbibles.
US4649042A (en) * 1984-05-31 1987-03-10 Eli Lilly And Company Rumen delivery device
CA1256638A (en) * 1984-07-06 1989-06-27 Motoaki Tanaka Polymer and its production
DE3428640A1 (de) * 1984-08-03 1986-02-06 Akzo Gmbh, 5600 Wuppertal Mikroporoese, pulverfoermige polylactide
US4595713A (en) * 1985-01-22 1986-06-17 Hexcel Corporation Medical putty for tissue augmentation
EP0190833B1 (en) * 1985-02-07 1991-03-27 Takeda Chemical Industries, Ltd. Method for producing microcapsule
JP2551756B2 (ja) * 1985-05-07 1996-11-06 武田薬品工業株式会社 ポリオキシカルボン酸エステルおよびその製造法
US5618547A (en) * 1985-05-20 1997-04-08 British Technology Group Limited Control of ectoparasites
US5061281A (en) * 1985-12-17 1991-10-29 Allied-Signal Inc. Bioresorbable polymers and implantation devices thereof
GB8609537D0 (en) * 1986-04-18 1986-05-21 Ici Plc Polyesters
US4744365A (en) * 1986-07-17 1988-05-17 United States Surgical Corporation Two-phase compositions for absorbable surgical devices
DE3641692A1 (de) * 1986-12-06 1988-06-09 Boehringer Ingelheim Kg Katalysatorfreie resorbierbare homopolymere und copolymere
SE8701479L (sv) * 1987-04-09 1988-10-10 Carbomatrix Ab Metod foer inneslutning av biologiskt verksamma preparat samt anvaendning daerav
US4804691A (en) * 1987-08-28 1989-02-14 Richards Medical Company Method for making a biodegradable adhesive for soft living tissue
PE5591A1 (es) * 1988-12-19 1991-02-15 Lilly Co Eli Un nuevo grupo de compuestos de macrolida
US5302694A (en) * 1990-02-21 1994-04-12 Boehringer Ingelheim Gmbh Process for preparing polyesters based on hydroxycarboxylic acids
DE4005415C2 (de) * 1990-02-21 1996-04-11 Boehringer Ingelheim Kg Verfahren zum Herstellen von Polyestern auf der Basis von Hydroxycarbonsäuren
DE69129770T2 (de) * 1990-04-13 1998-11-19 Takeda Chemical Industries Ltd Biologisch abbaubare hochmolekulare Polymere, ihre Herstellung und ihre Verwendung
US6353030B1 (en) * 1990-08-01 2002-03-05 Novartis Ag Relating to organic compounds
MY108621A (en) * 1990-08-01 1996-10-31 Novartis Ag Polylactide preparation and purification
US5108422A (en) * 1990-10-22 1992-04-28 United States Surgical Corporation Skin fastener
US5593423A (en) * 1990-10-22 1997-01-14 United States Surgical Corporation Skin fastener
US6228954B1 (en) 1991-02-12 2001-05-08 United States Surgical Corporation Blends of glycolide and/or lactide polymers and caprolactone and/or trimethylene carbonate polymers and absorabable surgical devices made therefrom
US5320624A (en) * 1991-02-12 1994-06-14 United States Surgical Corporation Blends of glycolide and/or lactide polymers and caprolactone and/or trimethylene carbonate polymers and absorbable surgical devices made therefrom
IT1249045B (it) * 1991-02-21 1995-02-11 Himont Inc Processo per la sintesi allo stato solido di polimeri dell'acido lattico e prodotti cosi ottenuti
US5232648A (en) * 1991-07-19 1993-08-03 United States Surgical Corporation Bioabsorbable melt spun fiber based on glycolide-containing copolymer
US5206341A (en) * 1991-11-21 1993-04-27 Southern Research Institute Polymers from hydroxy acids and polycarboxylic acids
US5247058A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US6005067A (en) * 1992-01-24 1999-12-21 Cargill Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US6326458B1 (en) 1992-01-24 2001-12-04 Cargill, Inc. Continuous process for the manufacture of lactide and lactide polymers
US5258488A (en) * 1992-01-24 1993-11-02 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5247059A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for the manufacture of a purified lactide from esters of lactic acid
US5142023A (en) * 1992-01-24 1992-08-25 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US6005068A (en) 1992-10-02 1999-12-21 Cargill Incorporated Melt-stable amorphous lactide polymer film and process for manufacture thereof
ATE199944T1 (de) * 1992-10-02 2001-04-15 Cargill Inc Schmelzstabiles lactidpolymergewebe und verfahren zu seiner herstellung
US5338822A (en) * 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
BR9305658A (pt) * 1992-10-02 1996-11-26 Cargill Inc Papel tendo um polímero de lactideo estável em fusao e processo para sua produçao
US5591606A (en) * 1992-11-06 1997-01-07 Dowelanco Process for the production of A83543 compounds with Saccharopolyspora spinosa
TW333456B (en) * 1992-12-07 1998-06-11 Takeda Pharm Ind Co Ltd A pharmaceutical composition of sustained-release preparation the invention relates to a pharmaceutical composition of sustained-release preparation which comprises a physiologically active peptide.
US5444143A (en) * 1992-12-25 1995-08-22 Mitsui Toatsu Chemicals, Inc. Preparation process of polyhydroxycarboxylic acid
JP4258575B2 (ja) * 1993-03-12 2009-04-30 ダウ・アグロサイエンス・エル・エル・シー 新規ａ８３５４３化合物及びそれらの製造法
KR970002523B1 (en) * 1993-04-24 1997-03-05 Korea Inst Sci & Tech Biodegradable polylactic acid having improved properties and method for manufacturing the same
US5522841A (en) * 1993-05-27 1996-06-04 United States Surgical Corporation Absorbable block copolymers and surgical articles fabricated therefrom
US5403347A (en) * 1993-05-27 1995-04-04 United States Surgical Corporation Absorbable block copolymers and surgical articles fabricated therefrom
AU689130B2 (en) 1993-10-15 1998-03-26 H.B. Fuller Licensing And Financing Inc. Biodegradable/compostable hot melt adhesives comprising polyester of lactic acid
US5431679A (en) * 1994-03-10 1995-07-11 United States Surgical Corporation Absorbable block copolymers and surgical articles fabricated therefrom
US5543202A (en) * 1994-03-14 1996-08-06 Kimberly-Clark Corporation Process for producing a crimp-bonded fibrous cellulosic laminate
CN1058736C (zh) * 1994-05-27 2000-11-22 北京市星辰现代控制工程研究所 生物降解组合物及其制备方法和应用
US5578662A (en) 1994-07-22 1996-11-26 United States Surgical Corporation Bioabsorbable branched polymers containing units derived from dioxanone and medical/surgical devices manufactured therefrom
US6339130B1 (en) * 1994-07-22 2002-01-15 United States Surgical Corporation Bioabsorbable branched polymers containing units derived from dioxanone and medical/surgical devices manufactured therefrom
CA2158420C (en) 1994-09-16 2007-05-01 Mark S. Roby Absorbable polymer and surgical articles fabricated therefrom
US6206908B1 (en) 1994-09-16 2001-03-27 United States Surgical Corporation Absorbable polymer and surgical articles fabricated therefrom
US5618313A (en) * 1994-10-11 1997-04-08 United States Surgical Corporation Absorbable polymer and surgical articles fabricated therefrom
CA2195384C (en) * 1996-01-19 2007-06-05 Kung Liu Cheng Absorbable polymer blends and surgical articles fabricated therefrom
US6001981A (en) * 1996-06-13 1999-12-14 Dow Agrosciences Llc Synthetic modification of Spinosyn compounds
US5756651A (en) * 1996-07-17 1998-05-26 Chronopol, Inc. Impact modified polylactide
US6191236B1 (en) 1996-10-11 2001-02-20 United States Surgical Corporation Bioabsorbable suture and method of its manufacture
US6007565A (en) * 1997-09-05 1999-12-28 United States Surgical Absorbable block copolymers and surgical articles fabricated therefrom
US6277927B1 (en) 1997-11-26 2001-08-21 United States Surgical Corporation Absorbable block copolymers and surgical articles fabricated therefrom
JPH11203837A (ja) 1998-01-16 1999-07-30 Sony Corp 編集システムおよび編集方法
AR023940A1 (es) 2000-05-03 2002-09-04 Eriochem Sa Procedimiento para la produccion de microcapsulas de liberacion prolongada de peptidos solubles en agua
EP1310517B2 (en) * 2000-08-07 2010-11-17 Wako Pure Chemical Industries, Ltd. Lactic acid polymer and process for producing the same
AU2001290515B2 (en) 2000-08-16 2007-02-01 Covidien Lp High consistency absorbable polymeric resin
TW200526267A (en) * 2001-06-29 2005-08-16 Takeda Chemical Industries Ltd Controlled release composition and method of producing the same
JP4612239B2 (ja) * 2001-07-18 2011-01-12 三井化学株式会社 生体吸収性ポリヒドロキシカルボン酸の製造方法
US7163545B2 (en) * 2002-07-29 2007-01-16 Mayo Foundation For Medical Education And Research Spinal cord surgical implant
WO2004029129A1 (ja) * 2002-09-24 2004-04-08 Asahi Kasei Chemicals Corporation グリコール酸共重合体及びその製造方法
EP1440992A1 (fr) * 2003-01-21 2004-07-28 Société de Conseils de Recherches et d'Applications Scientifiques ( S.C.R.A.S.) Système catalytique de (co)polymérisation du lactide et du glycolide
FR2867698B1 (fr) * 2004-03-16 2007-11-16 Beaufour Ipsen S C R A S Systeme catalttique de (co) oligomerisation du lactide et du glycolide
WO2008075762A1 (en) * 2006-12-18 2008-06-26 Takeda Pharmaceutical Company Limited Sustained-release composition and method for producing the same
CN101284883B (zh) * 2008-05-14 2011-02-16 西北大学 聚乳酸-壳聚糖接枝共聚物的制备方法
CN103300120B (zh) * 2013-06-25 2015-04-22 南京工业大学 一种绿色家禽家畜脱毛剂及其制备方法
JP7374081B2 (ja) 2017-08-31 2023-11-06 エボニック コーポレイション 改善された再吸収性ポリマーの精製方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936597B1 (ja) * 1970-05-13 1974-10-02
JPS53145899A (en) * 1977-05-23 1978-12-19 American Cyanamid Co Manufacture of absorptive lactide polyester copolymer for surgical products

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US2362511A (en) * 1939-11-21 1944-11-14 Du Pont Modified glycolide resins
US2703316A (en) * 1951-06-05 1955-03-01 Du Pont Polymers of high melting lactide
US2758987A (en) * 1952-06-05 1956-08-14 Du Pont Optically active homopolymers containing but one antipodal species of an alpha-monohydroxy monocarboxylic acid
US3268487A (en) * 1963-12-23 1966-08-23 Shell Oil Co Process for polymerization of lactides
US3535419A (en) * 1965-12-15 1970-10-20 Syntex Corp Veterinary compositions and methods
US3442871A (en) * 1966-05-04 1969-05-06 American Cyanamid Co Process for polymerizing a glycolide
US3458622A (en) * 1967-04-07 1969-07-29 Squibb & Sons Inc Controlled release tablet
US3887699A (en) * 1969-03-24 1975-06-03 Seymour Yolles Biodegradable polymeric article for dispensing drugs
US3773919A (en) * 1969-10-23 1973-11-20 Du Pont Polylactide-drug mixtures
US3736646A (en) * 1971-10-18 1973-06-05 American Cyanamid Co Method of attaching surgical needles to multifilament polyglycolic acid absorbable sutures
US3839297A (en) * 1971-11-22 1974-10-01 Ethicon Inc Use of stannous octoate catalyst in the manufacture of l(-)lactide-glycolide copolymer sutures
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US3982543A (en) * 1973-04-24 1976-09-28 American Cyanamid Company Reducing capillarity of polyglycolic acid sutures
US3991766A (en) * 1973-05-31 1976-11-16 American Cyanamid Company Controlled release of medicaments using polymers from glycolic acid
US4144317A (en) * 1975-05-30 1979-03-13 Alza Corporation Device consisting of copolymer having acetoxy groups for delivering drugs
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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
JPS4936597B1 (ja) * 1970-05-13 1974-10-02
JPS53145899A (en) * 1977-05-23 1978-12-19 American Cyanamid Co Manufacture of absorptive lactide polyester copolymer for surgical products

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128521A (ja) * 1984-07-06 1986-02-08 Wako Pure Chem Ind Ltd 新規重合体及びその製造法
JPH0649185A (ja) * 1984-07-06 1994-02-22 Wako Pure Chem Ind Ltd 新規重合体
JPS61111326A (ja) * 1985-08-21 1986-05-29 Wako Pure Chem Ind Ltd 重合体の製造法
US5194473A (en) * 1989-05-26 1993-03-16 Mitsui Toatsu Chemicals, Inc. Modified polyester composition and preparation process and use thereof
WO1993012160A1 (en) * 1991-12-19 1993-06-24 Mitsui Toatsu Chemicals, Inc. Polyhydroxy carboxylic acid and production thereof
EP0710684A2 (en) 1994-11-02 1996-05-08 MITSUI TOATSU CHEMICALS, Inc. Preparation process of polyhydroxycarboxylic acid
US5770683A (en) * 1994-11-02 1998-06-23 Mitsui Toatsu Chemicals, Inc. Preparation process of polyhydroxycarboxylic acid
JP4817321B2 (ja) * 2004-04-28 2011-11-16 学校法人慶應義塾 主鎖にエステル結合を有するポリマーの解重合方法及び解重合生成物から主鎖にエステル結合を有するポリマーを製造する方法
US8513379B2 (en) 2004-04-28 2013-08-20 Keio University Depolymerization method for polymer containing ester bond in main chain and method for producing polymer containing ester bond in main chain from depolymerization product

Also Published As

Publication number Publication date
JPH0121166B2 (ja) 1989-04-20
ES8106542A1 (es) 1981-08-16
PT71794A (en) 1980-10-01
DD153125A5 (de) 1981-12-23
GT198065361A (es) 1982-03-04
ATA455380A (de) 1985-11-15
IT8024607A0 (it) 1980-09-11
ZA805629B (en) 1982-04-28
IT1141040B (it) 1986-10-01
AT380689B (de) 1986-06-25
AU539130B2 (en) 1984-09-13
PT71794B (en) 1981-07-07
DE3068116D1 (en) 1984-07-12
HU191807B (en) 1987-04-28
IE801902L (en) 1981-03-12
AU6216680A (en) 1981-03-19
IL61024A0 (en) 1980-11-30
JPH0198617A (ja) 1989-04-17
FI66412B (fi) 1984-06-29
DK155093B (da) 1989-02-06
US4273920A (en) 1981-06-16
GR69961B (ja) 1982-07-22
BG41132A3 (en) 1987-04-15
CH648048A5 (fr) 1985-02-28
CA1185048A (en) 1985-04-02
GB2058808B (en) 1983-11-16
FI66412C (fi) 1984-10-10
JPH0445525B2 (ja) 1992-07-27
FR2464973B1 (ja) 1983-06-10
ES494974A0 (es) 1981-08-16
PL129779B1 (en) 1984-06-30
PL226653A1 (ja) 1981-10-16
DK155093C (da) 1989-06-19
IE50236B1 (en) 1986-03-05
NZ194902A (en) 1983-05-31
PH15272A (en) 1982-11-02
FR2464973A1 (fr) 1981-03-20
EP0026599A1 (en) 1981-04-08
RO80864A (ro) 1983-02-01
FI802840A (fi) 1981-03-13
GB2058808A (en) 1981-04-15
IL61024A (en) 1983-02-23
AR221173A1 (es) 1980-12-30
BE885182A (fr) 1981-03-11
EG14381A (en) 1983-12-31
EP0026599B1 (en) 1984-06-06
CS221979B2 (en) 1983-04-29
DK387380A (da) 1981-03-13

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