NO175059B - Fremgangsmåte for fremstilling av i det vesentlige rene, partielle eller totale estere av alginsyre - Google Patents
Fremgangsmåte for fremstilling av i det vesentlige rene, partielle eller totale estere av alginsyre Download PDFInfo
- Publication number
- NO175059B NO175059B NO872716A NO872716A NO175059B NO 175059 B NO175059 B NO 175059B NO 872716 A NO872716 A NO 872716A NO 872716 A NO872716 A NO 872716A NO 175059 B NO175059 B NO 175059B
- Authority
- NO
- Norway
- Prior art keywords
- alginic acid
- esters
- salts
- groups
- salt
- Prior art date
Links
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- 239000000783 alginic acid Substances 0.000 title claims description 161
- 229960001126 alginic acid Drugs 0.000 title claims description 161
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- 150000004781 alginic acids Chemical class 0.000 title claims description 145
- 238000000034 method Methods 0.000 title claims description 67
- 238000002360 preparation method Methods 0.000 title claims description 26
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- 150000003839 salts Chemical class 0.000 claims description 78
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- 125000004432 carbon atom Chemical group C* 0.000 claims description 25
- 125000001931 aliphatic group Chemical group 0.000 claims description 21
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- LKCWBDHBTVXHDL-RMDFUYIESA-N amikacin Chemical class O([C@@H]1[C@@H](N)C[C@H]([C@@H]([C@H]1O)O[C@@H]1[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O1)O)NC(=O)[C@@H](O)CCN)[C@H]1O[C@H](CN)[C@@H](O)[C@H](O)[C@H]1O LKCWBDHBTVXHDL-RMDFUYIESA-N 0.000 description 6
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- 229940088594 vitamin Drugs 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 1
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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
-
- 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
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
-
- 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
- A61K47/50—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/56—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
- A61K47/61—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule the organic macromolecular compound being a polysaccharide or a derivative thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/733—Alginic acid; Salts thereof
-
- 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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
-
- 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
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- 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
- A61L17/00—Materials for surgical sutures or for ligaturing blood vessels ; Materials for prostheses or catheters
- A61L17/06—At least partially resorbable materials
- A61L17/10—At least partially resorbable materials containing macromolecular materials
-
- 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
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/20—Polysaccharides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0084—Guluromannuronans, e.g. alginic acid, i.e. D-mannuronic acid and D-guluronic acid units linked with alternating alpha- and beta-1,4-glycosidic bonds; Derivatives thereof, e.g. alginates
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT48201/86A IT1203814B (it) | 1986-06-30 | 1986-06-30 | Esteri dell'acido alginico |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| NO872716D0 NO872716D0 (no) | 1987-06-29 |
| NO872716L NO872716L (no) | 1988-01-04 |
| NO175059B true NO175059B (no) | 1994-05-16 |
| NO175059C NO175059C (de) | 1994-08-24 |
Family
ID=11265177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO872716A NO175059B (no) | 1986-06-30 | 1987-06-29 | Fremgangsmåte for fremstilling av i det vesentlige rene, partielle eller totale estere av alginsyre |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US5336668A (de) |
| EP (2) | EP0609968A3 (de) |
| JP (2) | JP2569054B2 (de) |
| CN (1) | CN1026001C (de) |
| AR (1) | AR242959A1 (de) |
| AT (1) | ATE113610T1 (de) |
| AU (2) | AU602901B2 (de) |
| CA (1) | CA1338235C (de) |
| DE (1) | DE3750710T2 (de) |
| DK (1) | DK333687A (de) |
| EG (1) | EG18197A (de) |
| FI (1) | FI872878A (de) |
| HU (1) | HU202559B (de) |
| IL (1) | IL82943A (de) |
| IN (1) | IN166549B (de) |
| IT (1) | IT1203814B (de) |
| MX (1) | MX7108A (de) |
| NO (1) | NO175059B (de) |
| NZ (1) | NZ220807A (de) |
| PH (1) | PH25729A (de) |
| PL (1) | PL157922B1 (de) |
| PT (1) | PT85200B (de) |
| YU (2) | YU46960B (de) |
| ZA (1) | ZA874520B (de) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5264422A (en) * | 1986-06-30 | 1993-11-23 | Fidia S.P.A. | Esters of alginic acid with steroidal alcohols |
| DK110188D0 (da) * | 1988-03-02 | 1988-03-02 | Claus Selch Larsen | High molecular weight prodrug derivatives of antiinflammatory drugs |
| IT1219942B (it) * | 1988-05-13 | 1990-05-24 | Fidia Farmaceutici | Esteri polisaccaridici |
| JP2627344B2 (ja) * | 1990-01-23 | 1997-07-02 | 工業技術院長 | 水溶性アルギン繊維及びその製造方法 |
| ATE138389T1 (de) * | 1991-02-11 | 1996-06-15 | Fidia Spa | Gellanester |
| IT1247472B (it) | 1991-05-31 | 1994-12-17 | Fidia Spa | Processo per la preparazione di microsfere contenenti componenti biologicamente attivi. |
| IT1263755B (it) * | 1991-09-16 | 1996-08-29 | Fidia Spa | Uso di esteri della colina con polisaccaridi acidi come agenti antiulcera e gastroprotettivi |
| WO1993009176A2 (en) * | 1991-10-29 | 1993-05-13 | Clover Consolidated, Limited | Crosslinkable polysaccharides, polycations and lipids useful for encapsulation and drug release |
| IT1254704B (it) * | 1991-12-18 | 1995-10-09 | Mini Ricerca Scient Tecnolog | Tessuto non tessuto essenzialmente costituito da derivati dell'acido ialuronico |
| IT1254170B (it) * | 1991-12-18 | 1995-09-11 | Mini Ricerca Scient Tecnolog | Membrane composite per la rigenerazione guidata di tessuti |
| US5824335A (en) * | 1991-12-18 | 1998-10-20 | Dorigatti; Franco | Non-woven fabric material comprising auto-crosslinked hyaluronic acid derivatives |
| FR2699545B1 (fr) * | 1992-12-18 | 1995-01-27 | Oreal | Agent gélifiant résultant de l'association d'un chitosane et d'un alginate d'alkyle ou d'hydroxyalkyle et son utilisation dans la préparation de compositions cosmétiques et pharmaceutiques. |
| IT1263394B (it) * | 1993-07-30 | 1996-08-05 | Fidia Advanced Biopolymers Srl | Composizioni farmaceutiche per uso topico a base di acido ialuronico e suoi derivati |
| IT1268955B1 (it) * | 1994-03-11 | 1997-03-18 | Fidia Advanced Biopolymers Srl | Esteri attivi di polisaccaridi carbossilici |
| IL114193A (en) * | 1994-06-20 | 2000-02-29 | Teva Pharma | Ophthalmic pharmaceutical compositions based on sodium alginate |
| ATE219381T1 (de) * | 1995-02-07 | 2002-07-15 | Fidia Advanced Biopolymers Srl | Verfahren zur beschichtung von gegenständen mit hyaluronsäure, dessen derivaten und halbsynthetischen polymeren |
| IT1281886B1 (it) * | 1995-05-22 | 1998-03-03 | Fidia Advanced Biopolymers Srl | Processo per la preparazione di idrogel ottenuti da derivati chimici dell'acido ialuronico mediante irradiazioni ultraviolette e loro |
| FR2764505B1 (fr) * | 1997-06-13 | 1999-10-15 | Alain Dogliani | Nouvelles compositions cosmetiques a base de lyophilisats d'alginates alcalins et nouveaux vecteurs de penetration |
| IT1294797B1 (it) | 1997-07-28 | 1999-04-15 | Fidia Advanced Biopolymers Srl | Uso dei derivati dell'acido ialuronico nella preparazione di biomateriali aventi attivita' emostatica fisica e tamponante |
| FR2778081B1 (fr) * | 1998-04-29 | 2000-08-25 | Fabrice Thevenet | Implants de renfort pour sutures tissulaires |
| FR2781677B1 (fr) * | 1998-07-31 | 2000-10-20 | Brothier Lab | Dispositif de traitement de plaies et procede de fabrication de ce dispositif |
| EP1374908A3 (de) | 1998-10-09 | 2004-03-24 | The Regents Of The University Of Michigan | Polymere-Arzneimittel Konjugate die eine Hydrazidolinkergruppe enthalten |
| DE10112825A1 (de) | 2001-03-16 | 2002-10-02 | Fresenius Kabi De Gmbh | HESylierung von Wirkstoffen in wässriger Lösung |
| JP3814224B2 (ja) * | 2001-04-25 | 2006-08-23 | エーザイ株式会社 | 外用組成物 |
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| DE10209821A1 (de) | 2002-03-06 | 2003-09-25 | Biotechnologie Ges Mittelhesse | Kopplung von Proteinen an ein modifiziertes Polysaccharid |
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| AU2003273413A1 (en) | 2002-10-08 | 2004-05-04 | Fresenius Kabi Deutschland Gmbh | Pharmaceutically active oligosaccharide conjugates |
| FR2850281A1 (fr) * | 2003-01-27 | 2004-07-30 | Brothier Lab | Procede de fabrication d'un dispositif de renfort de suture |
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| WO2005014655A2 (en) | 2003-08-08 | 2005-02-17 | Fresenius Kabi Deutschland Gmbh | Conjugates of hydroxyalkyl starch and a protein |
| GB2404920A (en) * | 2003-08-12 | 2005-02-16 | Johnson & Johnson Medical Ltd | Antimicrobial polymer |
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| WO2005092928A1 (en) | 2004-03-11 | 2005-10-06 | Fresenius Kabi Deutschland Gmbh | Conjugates of hydroxyalkyl starch and a protein, prepared by reductive amination |
| AR048709A1 (es) * | 2004-04-26 | 2006-05-17 | Cp Kelco Aps | Composicion dermoprotectora para controlar la alcalinidad y uso de la misma |
| DE102004025495A1 (de) | 2004-05-21 | 2005-12-15 | Dr. Suwelack Skin & Health Care Ag | Verfahren zur Herstellung von Alginat-haltigen porösen Formkörpern |
| GB0513552D0 (en) | 2005-07-01 | 2005-08-10 | Bristol Myers Squibb Co | Bandage |
| DE102005049833A1 (de) * | 2005-10-14 | 2007-04-19 | Beiersdorf Ag | Hydrophob modifizierte Alginate |
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| WO2012167223A1 (en) | 2011-06-02 | 2012-12-06 | Massachusetts Institute Of Technology | Modified alginates for cell encapsulation and cell therapy |
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| MX2018005420A (es) | 2015-11-01 | 2018-06-06 | Massachusetts Inst Technology | Alginatos modificados para materiales anti-fibroticos y aplicaciones. |
| CN109563199A (zh) | 2016-06-13 | 2019-04-02 | 麻省理工学院 | 用于减少异物反应和纤维化的生物相容性两性离子聚合物涂层和水凝胶 |
| WO2019090309A1 (en) | 2017-11-06 | 2019-05-09 | Massachusetts Institute Of Technology | Anti-inflammatory coatings to improve biocompatibility of neurological implants |
| KR20200140304A (ko) | 2018-04-09 | 2020-12-15 | 바스프 에스이 | 에어로겔 및 미용 적용에서의 그들의 용도 |
| CN109646705B (zh) * | 2019-01-30 | 2022-06-14 | 深圳齐康医疗器械有限公司 | 复合海绵及其制备方法和负压引流敷料、装置与医疗设备 |
| CN110946712B (zh) * | 2019-12-31 | 2021-06-18 | 露乐健康科技股份有限公司 | 具有柔臀健脂护理功能的纸尿裤 |
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| AT358147B (de) * | 1976-12-03 | 1980-08-25 | Gergely Gerhard | Reinigungsmaterial |
| FR2418821A1 (fr) * | 1978-03-03 | 1979-09-28 | Adeline Andre | Procede de fabrication de fibres d'alginate de calcium |
| US4330338A (en) * | 1978-10-02 | 1982-05-18 | Purdue Research Foundation | Pharmaceutical coating composition, and preparation and dosages so coated |
| US4364929A (en) * | 1979-04-02 | 1982-12-21 | The Purdue Frederick Company | Germicidal colloidal lubricating gels and method of producing the same |
| JPS5953951B2 (ja) * | 1979-04-02 | 1984-12-27 | 住友化学工業株式会社 | 繊維材料の浸染法 |
| SE442705B (sv) * | 1979-05-08 | 1986-01-27 | Viktor Kare Larsson | Medel for bildande av ett skyddsskikt pa ett underlag i form av hud eller slemhinna samt forfarande for att bilda ett skyddsskikt pa huden i icke-terapeutiskt syfte med hjelp av detta medel |
| FR2482603A1 (fr) * | 1980-05-14 | 1981-11-20 | Pharmindustrie | Nouveaux esters d'heparine utilisables pour la preparation de medicaments, et procedes pour leur preparation |
| JPS58206751A (ja) * | 1982-05-26 | 1983-12-02 | 日石三菱株式会社 | 創傷被覆材 |
| CA1199273A (en) * | 1982-07-15 | 1986-01-14 | Ctibor Schindlery | Anti-inflammatory composition |
| US4500676A (en) * | 1983-12-15 | 1985-02-19 | Biomatrix, Inc. | Hyaluronate modified polymeric articles |
| JPS60226832A (ja) * | 1984-04-02 | 1985-11-12 | Daicel Chem Ind Ltd | 多糖の脂肪族エステルを含む分離剤 |
| JPH0680081B2 (ja) * | 1984-04-11 | 1994-10-12 | ダイセル化学工業株式会社 | 多糖類誘導体 |
| JPH0699482B2 (ja) * | 1984-04-16 | 1994-12-07 | ダイセル化学工業株式会社 | 多糖類誘導体 |
| JPS6130516A (ja) * | 1984-07-20 | 1986-02-12 | Nichiban Co Ltd | 粘膜付着製剤 |
| DE3686275T2 (de) * | 1985-01-11 | 1993-03-18 | Teijin Ltd | Praeparate mit verzoegerter freisetzung. |
| US4818751A (en) * | 1985-07-02 | 1989-04-04 | Zeria Shinyaku Kogyo Kabushiki Kaisha | Cosmetics |
| US4851521A (en) * | 1985-07-08 | 1989-07-25 | Fidia, S.P.A. | Esters of hyaluronic acid |
| GB8519416D0 (en) * | 1985-08-01 | 1985-09-04 | Unilever Plc | Oligosaccharides |
| SE452469B (sv) * | 1986-06-18 | 1987-11-30 | Pharmacia Ab | Material bestaende av en tverbunden karboxylgrupphaltig polysackarid och forfarande vid framstellning av detsamma |
| US5147861A (en) * | 1986-06-30 | 1992-09-15 | Fidia S.P.A. | Esters of alginic acid |
| US4808707A (en) * | 1987-06-08 | 1989-02-28 | University Of Delaware | Chitosan alginate capsules |
-
1986
- 1986-06-30 IT IT48201/86A patent/IT1203814B/it active
-
1987
- 1987-06-22 IN IN485/CAL/87A patent/IN166549B/en unknown
- 1987-06-22 IL IL8294387A patent/IL82943A/en not_active IP Right Cessation
- 1987-06-23 NZ NZ220807A patent/NZ220807A/en unknown
- 1987-06-23 ZA ZA874520A patent/ZA874520B/xx unknown
- 1987-06-24 CA CA000540467A patent/CA1338235C/en not_active Expired - Fee Related
- 1987-06-25 EP EP94201124A patent/EP0609968A3/de not_active Withdrawn
- 1987-06-25 AT AT87401464T patent/ATE113610T1/de not_active IP Right Cessation
- 1987-06-25 EP EP87401464A patent/EP0251905B1/de not_active Expired - Lifetime
- 1987-06-25 DE DE3750710T patent/DE3750710T2/de not_active Expired - Fee Related
- 1987-06-26 PH PH35463A patent/PH25729A/en unknown
- 1987-06-28 EG EG376/87A patent/EG18197A/xx active
- 1987-06-29 AU AU74909/87A patent/AU602901B2/en not_active Ceased
- 1987-06-29 PT PT85200A patent/PT85200B/pt not_active IP Right Cessation
- 1987-06-29 CN CN87104499A patent/CN1026001C/zh not_active Expired - Fee Related
- 1987-06-29 MX MX710887A patent/MX7108A/es unknown
- 1987-06-29 NO NO872716A patent/NO175059B/no unknown
- 1987-06-29 AR AR87307997A patent/AR242959A1/es active
- 1987-06-29 DK DK333687A patent/DK333687A/da not_active Application Discontinuation
- 1987-06-30 YU YU122087A patent/YU46960B/sh unknown
- 1987-06-30 JP JP62165132A patent/JP2569054B2/ja not_active Expired - Lifetime
- 1987-06-30 FI FI872878A patent/FI872878A/fi not_active Application Discontinuation
- 1987-06-30 HU HU872974A patent/HU202559B/hu not_active IP Right Cessation
- 1987-06-30 PL PL1987266544A patent/PL157922B1/pl unknown
-
1988
- 1988-04-26 YU YU84688A patent/YU46980B/sh unknown
-
1991
- 1991-01-30 AU AU70084/91A patent/AU651804B2/en not_active Ceased
- 1991-06-20 US US07/722,398 patent/US5336668A/en not_active Expired - Fee Related
-
1996
- 1996-01-25 JP JP8010859A patent/JPH08311104A/ja active Pending
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