IL128619A - Cross-linked copolymers based on non-crosslinked polycarboxylic polymers, a process for their preparation and pharmaceutical compositions for sustained released comprising said copolymers - Google Patents
Cross-linked copolymers based on non-crosslinked polycarboxylic polymers, a process for their preparation and pharmaceutical compositions for sustained released comprising said copolymersInfo
- Publication number
- IL128619A IL128619A IL12861997A IL12861997A IL128619A IL 128619 A IL128619 A IL 128619A IL 12861997 A IL12861997 A IL 12861997A IL 12861997 A IL12861997 A IL 12861997A IL 128619 A IL128619 A IL 128619A
- Authority
- IL
- Israel
- Prior art keywords
- polycarboxylic
- copolymers
- cross
- acid
- linked
- Prior art date
Links
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- 229940125396 insulin Drugs 0.000 description 1
- 239000007942 layered tablet Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229940091868 melamine Drugs 0.000 description 1
- KBOPZPXVLCULAV-UHFFFAOYSA-N mesalamine Chemical compound NC1=CC=C(O)C(C(O)=O)=C1 KBOPZPXVLCULAV-UHFFFAOYSA-N 0.000 description 1
- 229960004963 mesalazine Drugs 0.000 description 1
- 229960000485 methotrexate Drugs 0.000 description 1
- IQSHMXAZFHORGY-UHFFFAOYSA-N methyl prop-2-enoate;2-methylprop-2-enoic acid Chemical compound COC(=O)C=C.CC(=C)C(O)=O IQSHMXAZFHORGY-UHFFFAOYSA-N 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 229940126578 oral vaccine Drugs 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010647 peptide synthesis reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 229940127126 plasminogen activator Drugs 0.000 description 1
- 229920001308 poly(aminoacid) Polymers 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229940063673 spermidine Drugs 0.000 description 1
- 229940063675 spermine Drugs 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000007939 sustained release tablet Substances 0.000 description 1
- 229960001603 tamoxifen Drugs 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- PIEPQKCYPFFYMG-UHFFFAOYSA-N tris acetate Chemical compound CC(O)=O.OCC(N)(CO)CO PIEPQKCYPFFYMG-UHFFFAOYSA-N 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 229940075420 xanthine Drugs 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
-
- 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
- C08B37/0045—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Galacturonans, e.g. methyl ester of (alpha-1,4)-linked D-galacturonic acid units, i.e. pectin, or hydrolysis product of methyl ester of alpha-1,4-linked D-galacturonic acid units, i.e. pectinic acid; 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
- C08B37/0069—Chondroitin-4-sulfate, i.e. chondroitin sulfate A; Dermatan sulfate, i.e. chondroitin sulfate B or beta-heparin; Chondroitin-6-sulfate, i.e. chondroitin sulfate C; 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
-
- 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
- C08B37/0075—Heparin; Heparan sulfate; Derivatives thereof, e.g. heparosan; Purification or extraction methods 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
- C08B37/0084—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
- C08F8/32—Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Dermatology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Preparation (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9610601A FR2752843B1 (fr) | 1996-08-30 | 1996-08-30 | Copolymeres reticules a base de polymeres polycarboxyliques et leur utilisation comme support de composition pharmaceutique |
| PCT/FR1997/001534 WO1998008897A1 (fr) | 1996-08-30 | 1997-08-29 | Copolymeres reticules a base de polymeres polycarboxyliques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL128619A0 IL128619A0 (en) | 2000-01-31 |
| IL128619A true IL128619A (en) | 2004-02-19 |
Family
ID=9495309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL12861997A IL128619A (en) | 1996-08-30 | 1997-08-29 | Cross-linked copolymers based on non-crosslinked polycarboxylic polymers, a process for their preparation and pharmaceutical compositions for sustained released comprising said copolymers |
Country Status (20)
| Country | Link |
|---|---|
| EP (1) | EP0922071B1 (es) |
| JP (1) | JP4162265B2 (es) |
| AT (1) | ATE208803T1 (es) |
| AU (1) | AU730566B2 (es) |
| CA (1) | CA2266645C (es) |
| CZ (1) | CZ296041B6 (es) |
| DE (1) | DE69708304T2 (es) |
| DK (1) | DK0922071T3 (es) |
| ES (1) | ES2167784T3 (es) |
| FR (1) | FR2752843B1 (es) |
| HU (1) | HUP9903745A3 (es) |
| IL (1) | IL128619A (es) |
| MY (1) | MY116595A (es) |
| NO (1) | NO311621B1 (es) |
| NZ (1) | NZ334301A (es) |
| PL (1) | PL193227B1 (es) |
| PT (1) | PT922071E (es) |
| RU (1) | RU2194055C2 (es) |
| WO (1) | WO1998008897A1 (es) |
| ZA (1) | ZA977671B (es) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1303738B1 (it) * | 1998-11-11 | 2001-02-23 | Aquisitio S P A | Processo di reticolazione di polisaccaridi carbossilati. |
| IT1303735B1 (it) * | 1998-11-11 | 2001-02-23 | Falorni Italia Farmaceutici S | Acidi ialuronici reticolati e loro usi medici. |
| US6288043B1 (en) * | 1999-06-18 | 2001-09-11 | Orquest, Inc. | Injectable hyaluronate-sulfated polysaccharide conjugates |
| FR2799196B1 (fr) * | 1999-10-04 | 2002-02-08 | Sod Conseils Rech Applic | Copolymeres reticules a base de copolymeres polycarboxyliques non reticules |
| KR100378109B1 (ko) * | 2000-10-24 | 2003-03-29 | 주식회사 메디프렉스 | 소수성 다중복합 헤파린 결합체, 그의 제조방법 및 용도 |
| US20060153903A1 (en) * | 2003-07-18 | 2006-07-13 | Masao Ieno | Polymer sustainedly -release polymer amino acid derivative, cosmetic and fiber construct containing the polymer of producing the same and method for regenerating the same |
| FR2873379B1 (fr) * | 2004-07-23 | 2008-05-16 | Jerome Asius | Procede de preparation d'acide hyaluronique reticule, acide hyaluronique reticule susceptible d'etre obtenu par ledit procede, implant contenant ledit acide hyaluronique reticule, et son utilisation |
| GB2423252B (en) * | 2005-02-18 | 2007-10-17 | Engelhard Lyon | Cross-linked polymer of carbohydrate, notably based on polysaccharides, and/or on oligosaccharides and/or on polyols |
| WO2007101243A1 (en) * | 2006-02-28 | 2007-09-07 | Novozymes Biopolymer A/S | Derivatives of hyaluronic acids |
| EP1942117A1 (en) * | 2006-12-29 | 2008-07-09 | Sigea S.R.L. | Derivatives of acid polysaccharides |
| JP2011500553A (ja) * | 2007-10-10 | 2011-01-06 | ルピン・リミテッド | ５−アミノサリチル酸またはその塩もしくは代謝産物の新規な結腸を標的とする調節放出性生体接着性製剤 |
| JP5722217B2 (ja) | 2008-09-02 | 2015-05-20 | アラーガン・ホールディングス・フランス・ソシエテ・パール・アクシオン・サンプリフィエＡｌｌｅｒｇａｎ Ｈｏｌｄｉｎｇｓ Ｆｒａｎｃｅ Ｓ．Ａ．Ｓ． | ヒアルロン酸および／またはその誘導体の糸、その作製方法、ならびにその使用 |
| CZ302789B6 (cs) * | 2009-11-25 | 2011-11-09 | Zentiva, K. S. | Zpusob zvýšení rozpustnosti farmaceuticky aktivních látek a cílený (kontrolovaný) transport do streva |
| US20110172180A1 (en) | 2010-01-13 | 2011-07-14 | Allergan Industrie. Sas | Heat stable hyaluronic acid compositions for dermatological use |
| EP3520827B1 (en) | 2010-03-22 | 2022-05-25 | Allergan, Inc. | Cross-linked hydrogels for soft tissue augmentation |
| US9408797B2 (en) | 2011-06-03 | 2016-08-09 | Allergan, Inc. | Dermal filler compositions for fine line treatment |
| US20130096081A1 (en) | 2011-06-03 | 2013-04-18 | Allergan, Inc. | Dermal filler compositions |
| US9393263B2 (en) | 2011-06-03 | 2016-07-19 | Allergan, Inc. | Dermal filler compositions including antioxidants |
| KR102015676B1 (ko) | 2011-06-03 | 2019-10-21 | 알러간, 인코포레이티드 | 항산화제를 포함하는 피부 충전제 조성물 |
| US9662422B2 (en) | 2011-09-06 | 2017-05-30 | Allergan, Inc. | Crosslinked hyaluronic acid-collagen gels for improving tissue graft viability and soft tissue augmentation |
| US20130244943A1 (en) | 2011-09-06 | 2013-09-19 | Allergan, Inc. | Hyaluronic acid-collagen matrices for dermal filling and volumizing applications |
| FR2997014B1 (fr) * | 2012-10-24 | 2015-03-20 | Teoxane | Composition sterile dermo-injectable |
| ITUD20130119A1 (it) * | 2013-09-12 | 2015-03-13 | Limacorporate Spa | Idrogel biocompatibile per uso biomedico o farmaceutico, polimero intermedio per realizzare detto idrogel biocompatibile e relativo metodo di realizzazione |
| EP3101064B1 (en) | 2014-01-31 | 2020-07-15 | Seikagaku Corporation | Diamine crosslinking agent, acidic polysaccharide crosslinked body, and medical material |
| EP3620184A1 (en) | 2014-09-30 | 2020-03-11 | Allergan Industrie, SAS | Stable hydrogel compositions including additives |
| WO2017100697A1 (en) * | 2015-12-11 | 2017-06-15 | The General Hospital Corporation | Dextran nanoparticles for macrophage specific imaging and therapy |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026851A (en) * | 1975-08-13 | 1977-05-31 | E. I. Du Pont De Nemours And Company | Acrylate polymers cured with diamines in the presence of an acid catalyst |
| US4663050A (en) * | 1982-01-18 | 1987-05-05 | Standard Oil Company | Semipermeable membranes prepared from polymers containing adjacent, pendent carboxy groups |
| US5017229A (en) * | 1990-06-25 | 1991-05-21 | Genzyme Corporation | Water insoluble derivatives of hyaluronic acid |
| US4937270A (en) * | 1987-09-18 | 1990-06-26 | Genzyme Corporation | Water insoluble derivatives of hyaluronic acid |
| DE3809764A1 (de) * | 1988-03-23 | 1989-10-05 | Knoll Ag | Mischung aus alginaten und polyacrylaten und deren verwendung |
| ATE185267T1 (de) * | 1990-05-04 | 1999-10-15 | Perio Prod Ltd | System zur arzneistoffabgabe im colon |
-
1996
- 1996-08-30 FR FR9610601A patent/FR2752843B1/fr not_active Expired - Fee Related
-
1997
- 1997-08-26 ZA ZA9707671A patent/ZA977671B/xx unknown
- 1997-08-29 PL PL331848A patent/PL193227B1/pl not_active IP Right Cessation
- 1997-08-29 CA CA002266645A patent/CA2266645C/fr not_active Expired - Fee Related
- 1997-08-29 IL IL12861997A patent/IL128619A/en not_active IP Right Cessation
- 1997-08-29 DE DE69708304T patent/DE69708304T2/de not_active Expired - Lifetime
- 1997-08-29 NZ NZ334301A patent/NZ334301A/en unknown
- 1997-08-29 PT PT97938958T patent/PT922071E/pt unknown
- 1997-08-29 RU RU99106546/04A patent/RU2194055C2/ru not_active IP Right Cessation
- 1997-08-29 WO PCT/FR1997/001534 patent/WO1998008897A1/fr active IP Right Grant
- 1997-08-29 ES ES97938958T patent/ES2167784T3/es not_active Expired - Lifetime
- 1997-08-29 HU HU9903745A patent/HUP9903745A3/hu unknown
- 1997-08-29 AU AU41215/97A patent/AU730566B2/en not_active Ceased
- 1997-08-29 JP JP51134298A patent/JP4162265B2/ja not_active Expired - Fee Related
- 1997-08-29 AT AT97938958T patent/ATE208803T1/de not_active IP Right Cessation
- 1997-08-29 DK DK97938958T patent/DK0922071T3/da active
- 1997-08-29 CZ CZ1999606A patent/CZ296041B6/cs not_active IP Right Cessation
- 1997-08-29 EP EP97938958A patent/EP0922071B1/fr not_active Expired - Lifetime
- 1997-08-30 MY MYPI97004035A patent/MY116595A/en unknown
-
1999
- 1999-02-26 NO NO19990935A patent/NO311621B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0922071A1 (fr) | 1999-06-16 |
| CA2266645A1 (fr) | 1998-03-05 |
| DK0922071T3 (da) | 2002-03-11 |
| FR2752843B1 (fr) | 1998-10-16 |
| HUP9903745A3 (en) | 2001-03-28 |
| RU2194055C2 (ru) | 2002-12-10 |
| NO990935L (no) | 1999-04-15 |
| WO1998008897A1 (fr) | 1998-03-05 |
| NZ334301A (en) | 2000-06-23 |
| DE69708304D1 (de) | 2001-12-20 |
| ZA977671B (en) | 1998-02-23 |
| IL128619A0 (en) | 2000-01-31 |
| DE69708304T2 (de) | 2002-07-25 |
| ATE208803T1 (de) | 2001-11-15 |
| AU4121597A (en) | 1998-03-19 |
| ES2167784T3 (es) | 2002-05-16 |
| PL193227B1 (pl) | 2007-01-31 |
| JP4162265B2 (ja) | 2008-10-08 |
| PT922071E (pt) | 2002-05-31 |
| CZ296041B6 (cs) | 2005-12-14 |
| MY116595A (en) | 2004-02-28 |
| HUP9903745A2 (hu) | 2000-03-28 |
| EP0922071B1 (fr) | 2001-11-14 |
| JP2001501228A (ja) | 2001-01-30 |
| NO311621B1 (no) | 2001-12-17 |
| AU730566B2 (en) | 2001-03-08 |
| PL331848A1 (en) | 1999-08-16 |
| FR2752843A1 (fr) | 1998-03-06 |
| CZ60699A3 (cs) | 2000-06-14 |
| NO990935D0 (no) | 1999-02-26 |
| CA2266645C (fr) | 2008-03-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |