IL101611A - Process for purifying hyaluronic acid and dividing all pure hyaluronic acid for ophthalmic use - Google Patents
Process for purifying hyaluronic acid and dividing all pure hyaluronic acid for ophthalmic useInfo
- Publication number
- IL101611A IL101611A IL10161192A IL10161192A IL101611A IL 101611 A IL101611 A IL 101611A IL 10161192 A IL10161192 A IL 10161192A IL 10161192 A IL10161192 A IL 10161192A IL 101611 A IL101611 A IL 101611A
- Authority
- IL
- Israel
- Prior art keywords
- hyaluronic acid
- fraction
- salt
- solution
- sodium
- Prior art date
Links
- 229920002674 hyaluronan Polymers 0.000 title claims abstract description 77
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 title claims abstract description 69
- 229960003160 hyaluronic acid Drugs 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 68
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- 238000001356 surgical procedure Methods 0.000 claims abstract description 49
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- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 19
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- YWIVKILSMZOHHF-QJZPQSOGSA-N sodium;(2s,3s,4s,5r,6r)-6-[(2s,3r,4r,5s,6r)-3-acetamido-2-[(2s,3s,4r,5r,6r)-6-[(2r,3r,4r,5s,6r)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2- Chemical compound [Na+].CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 YWIVKILSMZOHHF-QJZPQSOGSA-N 0.000 claims description 80
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 77
- 239000000243 solution Substances 0.000 claims description 54
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 50
- 239000011780 sodium chloride Substances 0.000 claims description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 28
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- 229960001927 cetylpyridinium chloride Drugs 0.000 claims description 15
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical group [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 claims description 15
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Classifications
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- 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
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
-
- 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
- C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
- C08B37/0072—Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Ophthalmology & Optometry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL11345395A IL113453A (en) | 1991-04-19 | 1995-04-20 | Process for purifying hyaluronic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITPD910077A IT1247175B (it) | 1991-04-19 | 1991-04-19 | Procedimento per la purificazione di acido ialuronico e frazione di acido ialuronico puro per uso oftalmico. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL101611A true IL101611A (en) | 1996-06-18 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL10161192A IL101611A (en) | 1991-04-19 | 1992-04-16 | Process for purifying hyaluronic acid and dividing all pure hyaluronic acid for ophthalmic use |
| IL11345395A IL113453A (en) | 1991-04-19 | 1995-04-20 | Process for purifying hyaluronic acid |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL11345395A IL113453A (en) | 1991-04-19 | 1995-04-20 | Process for purifying hyaluronic acid |
Country Status (24)
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| US (1) | US5559104A (ja) |
| EP (1) | EP0535200B1 (ja) |
| JP (1) | JP2580458B2 (ja) |
| KR (1) | KR0178544B1 (ja) |
| AT (1) | ATE186307T1 (ja) |
| AU (1) | AU653022B2 (ja) |
| BR (1) | BR9205240A (ja) |
| CA (1) | CA2084875C (ja) |
| CZ (1) | CZ282248B6 (ja) |
| DE (1) | DE69230242T2 (ja) |
| DK (1) | DK0535200T3 (ja) |
| ES (1) | ES2092971T3 (ja) |
| FI (1) | FI104973B (ja) |
| GR (1) | GR3032434T3 (ja) |
| HU (1) | HU215193B (ja) |
| IL (2) | IL101611A (ja) |
| IT (1) | IT1247175B (ja) |
| NO (1) | NO305520B1 (ja) |
| PL (1) | PL168477B1 (ja) |
| RU (1) | RU2128666C1 (ja) |
| SG (1) | SG46515A1 (ja) |
| SK (1) | SK280191B6 (ja) |
| UA (1) | UA27229C2 (ja) |
| WO (1) | WO1992018543A1 (ja) |
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| IT1274984B (it) * | 1994-12-09 | 1997-07-29 | Technopharma Sa | Soluzioni viscosizzate con ialuronato di sodio per l'uso come fluido maschera nella fotocheratectomia terapeutica mediante laser a accimeri |
| IT1282219B1 (it) * | 1995-12-20 | 1998-03-16 | Fidia Advanced Biopolymers Srl | Processo chimico fisico combinato per la preparazione di frazioni di acido ialuronico a basso peso molecolare caratterizzate da bassa |
| IT1287967B1 (it) | 1996-10-17 | 1998-09-10 | Fidia Spa In Amministrazione S | Preparazioni farmaceutiche per uso anestetico locale |
| IT1291452B1 (it) | 1997-04-14 | 1999-01-11 | Fidia Advanced Biopolymers Srl | Rivestimento a base di acido ialuronico e suoi derivati per la protezione di parti elettroniche da agenti esterni |
| US6919076B1 (en) | 1998-01-20 | 2005-07-19 | Pericor Science, Inc. | Conjugates of agents and transglutaminase substrate linking molecules |
| US6958148B1 (en) | 1998-01-20 | 2005-10-25 | Pericor Science, Inc. | Linkage of agents to body tissue using microparticles and transglutaminase |
| EP1091936B1 (en) | 1998-05-29 | 2003-07-30 | Bone Care International, Inc. | Method for making hydroxy-25-ene-vitamin d compounds |
| DK172900B1 (da) | 1998-12-18 | 1999-09-27 | Per Julius Nielsen | Præparat samt kit til brug ved intraoculære operationer |
| IT1306644B1 (it) | 1999-04-08 | 2001-10-02 | Fidia Advanced Biopolymers Srl | Strutture tridimensionali comprendenti derivati dell'acido ialuronicoottenibili mediante la tecnica antisolvente supercritico. |
| KR100836733B1 (ko) * | 2002-11-15 | 2008-06-10 | 코오롱생명과학 주식회사 | 히알우론산 나트륨의 회수방법 및 그를 위한 장치 |
| US20040167480A1 (en) * | 2003-02-21 | 2004-08-26 | Advanced Medical Optics, Inc. | Administration of multiple viscoelastic solutions with a multi-compartment syringe |
| US6946551B2 (en) * | 2003-03-12 | 2005-09-20 | New Life Resources, Llc | Preparation of hyaluronic acid from eggshell membrane |
| US20040180025A1 (en) * | 2003-03-12 | 2004-09-16 | New Life Resources, Llc | Therapeutic, nutraceutical and cosmetic applications for eggshell membrane and processed eggshell membrane preparations |
| US20080063677A1 (en) * | 2004-03-10 | 2008-03-13 | New Life Resources, Llc | Therapeutic, nutraceutical and cosmetic applications for eggshell membrane and processed eggshell membrane preparations |
| US8580315B2 (en) * | 2004-03-10 | 2013-11-12 | Esm Technologies, Llc | Anti-inflammatory activity of eggshell membrane and processed eggshell membrane preparations |
| US20050266390A1 (en) * | 2004-06-01 | 2005-12-01 | Yuichiro Ueda | Processes for removing cells and cell debris from tissue and tissue constructs used in transplantation and tissue reconstruction |
| KR100577075B1 (ko) * | 2004-06-16 | 2006-05-08 | 주식회사 티앤라이프시스템 | 칼슘염 및 인산염, 또는 인산칼슘염을 이용한 히아루론산정제방법 |
| US7094775B2 (en) | 2004-06-30 | 2006-08-22 | Bone Care International, Llc | Method of treating breast cancer using a combination of vitamin D analogues and other agents |
| US8021684B2 (en) * | 2004-07-09 | 2011-09-20 | Ferrosan Medical Devices A/S | Haemostatic composition comprising hyaluronic acid |
| DE102005030011A1 (de) * | 2005-06-17 | 2006-12-21 | Aesculap Ag & Co. Kg | Verfahren zur Herstellung von sterilen Polysaccharidlösungen |
| ITPD20050242A1 (it) | 2005-08-03 | 2007-02-04 | Fidia Farmaceutici | Bioconiugati antitumorali dell'acido ialuronico o dei suoi derivati, ottenibili per coniugazione chimica diretta o indiretta, e loro impiego in campo farmaceutico |
| ITMI20061668A1 (it) * | 2006-09-01 | 2008-03-02 | Schiena Michele Giuseppe Di | Composizione a base di acido ialuronico e suoi sali per il trattamento di lesioni epiteliali |
| KR101509139B1 (ko) * | 2006-11-23 | 2015-04-08 | 주식회사 엘지생명과학 | 히알루론산의 정제방법 |
| KR100894042B1 (ko) * | 2007-04-13 | 2009-04-20 | 가톨릭대학교 산학협력단 | 설파살라진-히알루론산 혼합물의 제조방법 및 이로부터얻어진 혼합물을 포함하는 후발성 백내장 억제용 조성물 |
| US9089592B2 (en) | 2007-04-26 | 2015-07-28 | Seikagaku Corporation | Method for micro-incision cataract surgery, a method of evaluation of a viscoelastic material, a composition for evaluation of a viscoelastic material and a method for evaluation using the composition |
| US8759321B2 (en) * | 2007-06-13 | 2014-06-24 | Bausch & Lomb Incorporated | Ophthalmic composition with hyaluronic acid and polymeric biguanide |
| US20110130473A1 (en) | 2007-11-13 | 2011-06-02 | Bio-Technology General (Israel) Ltd. | Dilute filtration sterilization process for viscoelastic biopolymers |
| US8119112B2 (en) * | 2008-01-31 | 2012-02-21 | Bausch & Lomb Incorporated | Ophthalmic compositions with an amphoteric surfactant and hyaluronic acid |
| US9096819B2 (en) | 2008-01-31 | 2015-08-04 | Bausch & Lomb Incorporated | Ophthalmic compositions with an amphoteric surfactant and an anionic biopolymer |
| CN102177180A (zh) | 2008-04-04 | 2011-09-07 | 犹他州大学研究基金会 | 烷基化半合成的糖胺聚糖醚及其制备和使用方法 |
| US20100286010A1 (en) * | 2008-09-03 | 2010-11-11 | Erning Xia | Ophthalmic Compositions with Hyaluronic Acid |
| US20100086512A1 (en) | 2008-10-02 | 2010-04-08 | Rolf Schaefer | Mucomimetic compositions and uses therefore |
| US20100178317A1 (en) * | 2009-01-09 | 2010-07-15 | Burke Susan E | Lens Care Solutions with Hyaluronic Acid |
| KR20140025369A (ko) * | 2011-03-02 | 2014-03-04 | 덴키 가가쿠 고교 가부시기가이샤 | 히알루론산 또는 히알루론산염을 포함하는 수용액 |
| CN103547273A (zh) * | 2011-03-02 | 2014-01-29 | 电气化学工业株式会社 | 一种向具有树脂制筒部的注射器内注入含透明质酸或透明质酸盐的水溶液而成的预充式注射器 |
| WO2012118190A1 (ja) * | 2011-03-02 | 2012-09-07 | 電気化学工業株式会社 | ヒアルロン酸またはその塩を含む水溶液 |
| CN103442719A (zh) * | 2011-03-02 | 2013-12-11 | 电气化学工业株式会社 | 含透明质酸或透明质酸盐的水溶液 |
| KR20140050593A (ko) * | 2011-03-02 | 2014-04-29 | 덴키 가가쿠 고교 가부시기가이샤 | 히알루론산 또는 히알루론산염을 포함하는 수용액 |
| AU2012230822A1 (en) | 2011-03-23 | 2013-11-07 | University Of Utah Research Foundation | Methods for treating or preventing urological inflammation |
| RU2477138C1 (ru) * | 2011-11-02 | 2013-03-10 | Общество с ограниченной ответственностью Научно-производственное предприятие "Тульская индустрия ЛТД" | Способ получения заполняющего материала для пластической хирургии и инструментальной косметологии, заполняющий материал и способ введения заполняющего материала в проблемную зону |
| ITMI20120664A1 (it) | 2012-04-20 | 2013-10-21 | Anika Therapeutics Srl | Biomateriali a base di gellano per l'uso come filler in chirurgia |
| WO2015120223A1 (en) * | 2014-02-06 | 2015-08-13 | New York University | Method for separating hyaluronan and quantifying its molecular mass distribution in biological samples |
| IT201600079633A1 (it) | 2016-07-28 | 2018-01-28 | Fidia Farm Spa | Procedimento di preparazione e purificazione del sale sodico dell’acido ialuronico |
| US11337994B2 (en) | 2016-09-15 | 2022-05-24 | University Of Utah Research Foundation | In situ gelling compositions for the treatment or prevention of inflammation and tissue damage |
| MX2022006217A (es) | 2019-12-05 | 2022-09-19 | Cis Pharma Ag | Soluciones de desinfeccion de multiples propositos con alto hialuronato para aplicaciones oftalmicas. |
| RU2765951C1 (ru) * | 2021-05-14 | 2022-02-07 | Общество с ограниченной ответственностью "АВЕО" | Способ очистки гиалуроната от эндотоксинов |
| WO2023030435A1 (en) | 2021-09-01 | 2023-03-09 | Shanghai Qisheng Biological Preparation Co., Ltd. | Cartilage regeneration using injectable, in situ polymerizable collagen compositions containing chondrocytes or stem cells |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT252264B (de) * | 1965-03-17 | 1967-02-10 | Etapharm Chem Pharm Lab Ges M | Verfahren zur Herstellung eines reinen hochviskosen Hyaluronsäurepräparates |
| US4141973A (en) * | 1975-10-17 | 1979-02-27 | Biotrics, Inc. | Ultrapure hyaluronic acid and the use thereof |
| US4766348A (en) * | 1983-06-09 | 1988-08-23 | Gte Products Corporation | Single-ended metal halogen lamp and fabrication process employing ionization potential selection of additive gases |
| EP0138572B1 (en) * | 1983-10-11 | 1990-07-25 | FIDIA S.p.A. | Hyaluronic acid fractions having pharmaceutical activity, methods for preparation thereof, and pharmaceutical compositions containing the same |
| US5093487A (en) * | 1986-01-06 | 1992-03-03 | Mobay Corporation | Low viscosity high molecular weight filter sterilizable hyaluronic acid |
| NO161573C (no) * | 1983-11-25 | 1989-08-30 | Miles Inc | Fremgangsmaate til fremstilling av hyaluronsyre. |
| JPS6121241A (ja) * | 1984-07-10 | 1986-01-29 | オリエンタル建設株式会社 | プレストレストコンクリ−ト部材組立式ラ−メン構造体における多スパン梁の構築方法 |
| US4784990A (en) * | 1985-01-18 | 1988-11-15 | Bio-Technology General Corporation | High molecular weight sodium hyaluronate |
| AU600257B2 (en) * | 1986-03-21 | 1990-08-09 | International Pharmaceutical Products, Inc. | Non-inflammatory hyaluronic acid fraction and process for preparing it |
| IT1198449B (it) * | 1986-10-13 | 1988-12-21 | F I D I Farmaceutici Italiani | Esteri di alcoli polivalenti di acido ialuronico |
| JPH0813847B2 (ja) * | 1987-08-11 | 1996-02-14 | 日本化薬株式会社 | ヒアルロン酸の分画法 |
| JPH01210401A (ja) * | 1988-02-17 | 1989-08-24 | Mitsubishi Rayon Co Ltd | 酸性多糖類の分離法 |
| JPH0723317B2 (ja) * | 1988-03-17 | 1995-03-15 | 生化学工業株式会社 | 角膜上皮層障害症治療剤 |
| US4920104A (en) * | 1988-05-16 | 1990-04-24 | Medchem Products, Inc. | Sodium hyaluronate composition |
| JP2731545B2 (ja) * | 1988-10-12 | 1998-03-25 | 電気化学工業株式会社 | ヒアルロン酸の精製方法 |
-
1991
- 1991-04-19 IT ITPD910077A patent/IT1247175B/it active IP Right Grant
-
1992
- 1992-04-16 BR BR9205240A patent/BR9205240A/pt not_active Application Discontinuation
- 1992-04-16 ES ES92908628T patent/ES2092971T3/es not_active Expired - Lifetime
- 1992-04-16 JP JP4507997A patent/JP2580458B2/ja not_active Expired - Lifetime
- 1992-04-16 PL PL92297297A patent/PL168477B1/pl unknown
- 1992-04-16 AT AT92908628T patent/ATE186307T1/de active
- 1992-04-16 DE DE69230242T patent/DE69230242T2/de not_active Expired - Lifetime
- 1992-04-16 AU AU15766/92A patent/AU653022B2/en not_active Expired
- 1992-04-16 EP EP92908628A patent/EP0535200B1/en not_active Expired - Lifetime
- 1992-04-16 KR KR1019920703262A patent/KR0178544B1/ko not_active IP Right Cessation
- 1992-04-16 CA CA002084875A patent/CA2084875C/en not_active Expired - Lifetime
- 1992-04-16 WO PCT/EP1992/000861 patent/WO1992018543A1/en active IP Right Grant
- 1992-04-16 CZ CS923771A patent/CZ282248B6/cs not_active IP Right Cessation
- 1992-04-16 HU HU9204012A patent/HU215193B/hu unknown
- 1992-04-16 IL IL10161192A patent/IL101611A/en not_active IP Right Cessation
- 1992-04-16 SK SK3771-92A patent/SK280191B6/sk not_active IP Right Cessation
- 1992-04-16 SG SG1996005472A patent/SG46515A1/en unknown
- 1992-04-16 DK DK92908628T patent/DK0535200T3/da active
- 1992-04-16 RU RU92016520A patent/RU2128666C1/ru active
- 1992-12-16 NO NO924873A patent/NO305520B1/no not_active IP Right Cessation
- 1992-12-18 FI FI925756A patent/FI104973B/fi not_active IP Right Cessation
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1993
- 1993-06-16 UA UA93002144A patent/UA27229C2/uk unknown
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1995
- 1995-04-20 IL IL11345395A patent/IL113453A/en not_active IP Right Cessation
- 1995-05-11 US US08/439,437 patent/US5559104A/en not_active Expired - Lifetime
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2000
- 2000-01-19 GR GR20000400131T patent/GR3032434T3/el unknown
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