LT3869B - Tertiary hydroxyalkylxantines, process for the preparation thereof and pharmaceutical composition containing them - Google Patents
Tertiary hydroxyalkylxantines, process for the preparation thereof and pharmaceutical composition containing them Download PDFInfo
- Publication number
- LT3869B LT3869B LTIP1467A LTIP1467A LT3869B LT 3869 B LT3869 B LT 3869B LT IP1467 A LTIP1467 A LT IP1467A LT IP1467 A LTIP1467 A LT IP1467A LT 3869 B LT3869 B LT 3869B
- Authority
- LT
- Lithuania
- Prior art keywords
- formula
- compounds
- tertiary
- group
- residue
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/08—Vasodilators for multiple indications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
- C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
- C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Neurosurgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Neurology (AREA)
- Psychiatry (AREA)
- Hospice & Palliative Care (AREA)
- Diabetes (AREA)
- Hematology (AREA)
- Obesity (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Steroid Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853525801 DE3525801A1 (de) | 1985-07-19 | 1985-07-19 | Tertiaere hydroxyalkylxanthine, verfahren zu ihrer herstellung, die sie enthaltenden arzneimittel und ihre verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
LTIP1467A LTIP1467A (en) | 1995-05-25 |
LT3869B true LT3869B (en) | 1996-04-25 |
Family
ID=6276182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LTIP1467A LT3869B (en) | 1985-07-19 | 1993-11-12 | Tertiary hydroxyalkylxantines, process for the preparation thereof and pharmaceutical composition containing them |
Country Status (33)
Country | Link |
---|---|
US (1) | US4833146A (no) |
EP (1) | EP0268585B1 (no) |
JP (1) | JPH0788382B2 (no) |
KR (1) | KR950001019B1 (no) |
CN (1) | CN1026112C (no) |
AR (1) | AR244689A1 (no) |
AT (1) | ATE53211T1 (no) |
AU (1) | AU588350B2 (no) |
BG (1) | BG60767B2 (no) |
CA (1) | CA1262248A (no) |
CS (1) | CS272766B2 (no) |
DD (1) | DD261156A5 (no) |
DE (2) | DE3525801A1 (no) |
DK (1) | DK157867C (no) |
ES (1) | ES2001019A6 (no) |
FI (1) | FI89921C (no) |
GR (1) | GR861866B (no) |
HU (1) | HU198486B (no) |
IE (1) | IE59025B1 (no) |
IL (1) | IL79457A0 (no) |
LT (1) | LT3869B (no) |
LV (1) | LV5703A3 (no) |
MA (1) | MA20739A1 (no) |
MX (1) | MX9254A (no) |
NO (1) | NO165803C (no) |
NZ (1) | NZ216888A (no) |
OA (1) | OA08707A (no) |
PH (1) | PH26262A (no) |
PT (1) | PT83013B (no) |
RU (1) | RU2051918C1 (no) |
TN (1) | TNSN86111A1 (no) |
WO (1) | WO1987000523A2 (no) |
ZA (1) | ZA865374B (no) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8621870D0 (en) * | 1986-09-11 | 1986-10-15 | Beecham Group Plc | Active compounds |
US5338741A (en) * | 1986-10-27 | 1994-08-16 | Nestec S.A. | 1-hydroxyalkylxanthines and medicaments containing them |
JP2661666B2 (ja) * | 1988-02-19 | 1997-10-08 | ヘキスト薬品工業株式会社 | 抗消化性潰瘍剤 |
GB8826595D0 (en) * | 1988-11-14 | 1988-12-21 | Beecham Wuelfing Gmbh & Co Kg | Active compounds |
DD298051A5 (de) * | 1989-08-16 | 1992-02-06 | ��@���������@�������k�� | Verfahren zur herstellung eines therapeutischen agens zur behandlung von verdauungskrankheiten |
GB8924392D0 (en) * | 1989-10-30 | 1989-12-20 | Bayer Ag | Substituted cycloalkano/b/dihydroindole-and-indolesulphonamides |
EP0430300A3 (en) * | 1989-12-01 | 1992-03-25 | Takeda Chemical Industries, Ltd. | Xanthine derivatives, their production and use |
DE3942872A1 (de) * | 1989-12-23 | 1991-06-27 | Hoechst Ag | Verfahren zur enantioselektiven darstellung von ((omega)-1)-hydroxyalkylxanthinen |
IT1240843B (it) * | 1990-05-24 | 1993-12-17 | Malesci Istituto Farmacobiologico | Derivati xantinici 1-7 sostituiti ad attivita' antiasmatica, loro sali fisiologicamente accettabili, loro composizioni farmaceutiche e procedimento per la loro preparazione. |
DE4019892A1 (de) * | 1990-06-22 | 1992-01-02 | Boehringer Ingelheim Kg | Neue xanthinderivate |
US5039666A (en) * | 1990-10-30 | 1991-08-13 | Hoechst-Roussel Pharmaceuticals Inc. | Aminoglycoside composition having substantially reduced nephrotoxicity induced by the aminoglycoside |
EP0484785B1 (en) * | 1990-11-07 | 1996-05-22 | Hoechst-Roussel Pharmaceuticals Incorporated | Use of xanthines for the preparation of a medicament effective for inhibiting the replication of human retroviruses |
US6420374B1 (en) | 1990-11-30 | 2002-07-16 | Fred Hutchinson Cancer Research Center | Use of xanthines as immunosuppressants and to inhibit allograft reactions |
MX9203323A (es) * | 1991-07-11 | 1994-07-29 | Hoechst Ag | El empleo de derivados de xantina para el tratamiento de lesiones secundarias de las celulas nerviosas y trastornos funcionales despues de traumas craneo-cerebrales. |
TW209834B (no) * | 1991-12-11 | 1993-07-21 | Hoechst Ag | |
ATE146078T1 (de) * | 1992-02-22 | 1996-12-15 | Hoechst Ag | Verwendung von xanthinderivaten zur behandlung von muskelschädigungen nach vollständiger unterbrechung der blutzirkulation |
PT584347E (pt) * | 1992-03-04 | 2003-06-30 | Cell Therapeutics Inc | Compostos de xantina hidroxilados enantiomericos |
EP0570831A2 (de) * | 1992-05-20 | 1993-11-24 | Hoechst Aktiengesellschaft | Verwendung von Xanthinderivaten zur Behandlung von Nervenschädigungen nach Unterbrechung der Blutzirkulation |
US5288721A (en) * | 1992-09-22 | 1994-02-22 | Cell Therapeutics, Inc. | Substituted epoxyalkyl xanthines |
US5817662A (en) * | 1992-11-09 | 1998-10-06 | Cell Therapeutics, Inc. | Substituted amino alkyl compounds |
US5780476A (en) * | 1992-11-16 | 1998-07-14 | Cell Therapeutics, Inc. | Hydroxyl-containing xanthine compounds |
US6693105B1 (en) | 1992-11-16 | 2004-02-17 | Cell Therapeutics, Inc. | Hydroxyl-containing compounds |
US5473070A (en) * | 1992-11-16 | 1995-12-05 | Cell Therapeutics, Inc. | Substituted long chain alcohol xanthine compounds |
US5866576A (en) * | 1992-12-16 | 1999-02-02 | Cell Therapeutics, Inc. | Epoxide-containing compounds |
WO1994015605A1 (en) * | 1993-01-14 | 1994-07-21 | Cell Therapeutics, Inc. | Acetal or ketal substituted therapeutic compounds |
AU6092794A (en) * | 1993-01-19 | 1994-08-15 | Cell Therapeutics, Inc. | Oxime-substituted therapeutic compounds |
US5641783A (en) * | 1993-11-12 | 1997-06-24 | Cell Therapeutics, Inc. | Substituted amino alcohol compounds |
US5837703A (en) * | 1993-03-31 | 1998-11-17 | Cell Therapeutics, Inc. | Amino-alcohol substituted cyclic compounds |
US6020337A (en) * | 1993-04-05 | 2000-02-01 | Cell Therapeutics, Inc. | Electronegative-substituted long chain xanthine compounds |
CA2192470A1 (en) * | 1994-01-14 | 1995-07-20 | Paul A. Brown | Method for treating diseases mediated by cellular proliferation in response to pdgf, egf, fgf and vegf |
WO1995022546A1 (en) * | 1994-02-18 | 1995-08-24 | Cell Therapeutics, Inc. | Intracellular signalling mediators |
US6103730A (en) * | 1994-03-24 | 2000-08-15 | Cell Therapeutics, Inc. | Amine substituted compounds |
US5801182A (en) * | 1994-03-24 | 1998-09-01 | Cell Therapeutics, Inc. | Amine substituted compounds |
US5807861A (en) * | 1994-03-24 | 1998-09-15 | Cell Therapeutics, Inc. | Amine substituted xanthinyl compounds |
DE19540798A1 (de) * | 1995-11-02 | 1997-05-07 | Hoechst Ag | Alkylxanthinphosphonate und Alkylxanthinphosphinoxide und deren Verwendung als Arzneimittel |
US5965555A (en) * | 1996-06-07 | 1999-10-12 | Hoechst Aktiengesellschaft | Xanthine compounds having terminally animated alkynol side chains |
US5981536A (en) * | 1996-07-31 | 1999-11-09 | Hoechst Aktiengesellschaft | Use of xanthine derivatives for the modulation of apoptosis |
US5856330A (en) * | 1996-07-31 | 1999-01-05 | Hoechst Aktiengesellschaft | Use of xanthine derivatives for the inhibition of dephosphorylation of cofilin |
DE19707655A1 (de) * | 1997-02-26 | 1998-08-27 | Hoechst Ag | Kombinationspräparat zur Anwendung bei Demenz |
US5985592A (en) * | 1997-06-05 | 1999-11-16 | Dalhousie University | Uses for pentoxifylline or functional derivatives/metabolites thereof |
US6294350B1 (en) | 1997-06-05 | 2001-09-25 | Dalhousie University | Methods for treating fibroproliferative diseases |
US6075029A (en) * | 1998-01-02 | 2000-06-13 | Cell Therapeutics, Inc. | Xanthine modulators of metabolism of cellular P-450 |
US20030207901A1 (en) * | 1999-07-27 | 2003-11-06 | Cell Therapeutics, Inc. | Hydroxyl-containing compounds |
DE10042152A1 (de) * | 2000-08-26 | 2002-03-28 | Basf Coatings Ag | Mit aktinischer Strahlung aktivierbares Thixotropierungsmittel, Verfahren zu seiner Herstellung und seine Verwendung |
DE10122390A1 (de) * | 2001-05-09 | 2002-11-28 | Basf Coatings Ag | Carbamat-und/oder Allophanatgruppen enthaltende, thermisch härtbare, thixotrope Gemische |
DE10139262C1 (de) * | 2001-08-09 | 2003-01-02 | Basf Coatings Ag | Rheologiehilfsmittel, Verfahren zu seiner Herstellung und seine Verwendung |
AU2002304685A1 (en) * | 2002-04-24 | 2003-11-10 | Basf Coatings Ag | Thermally curable, thixotropic mixtures containing carbamate and/or allophanate groups |
KR100872788B1 (ko) * | 2002-05-28 | 2008-12-09 | 엘지전자 주식회사 | 드럼세탁기 |
US8686090B2 (en) * | 2003-12-10 | 2014-04-01 | Basf Coatings Gmbh | Use of urea crystals for non-polymeric coatings |
US20080081816A1 (en) * | 2006-10-03 | 2008-04-03 | Kaohsiung Medical University | Anti-inflammation activity of newly synthesized xanthine derivatives kmup-1 and kmup-3 |
US20090239886A1 (en) * | 2008-02-29 | 2009-09-24 | Concert Pharmaceuticals, Inc. | Substituted xanthine derivatives |
US8546572B2 (en) * | 2008-03-31 | 2013-10-01 | Sun Pharmaceutical Industries Limited | Process for the preparation of morphinane analogues |
US8263601B2 (en) | 2009-02-27 | 2012-09-11 | Concert Pharmaceuticals, Inc. | Deuterium substituted xanthine derivatives |
WO2011028835A1 (en) | 2009-09-02 | 2011-03-10 | Concert Pharmaceuticals, Inc. | Substituted xanthine derivatives |
US9260432B2 (en) | 2009-09-02 | 2016-02-16 | Concert Pharmaceuticals, Inc. | Substituted derivatives of bicyclic [4.3.0] heteroaryl compounds |
US9085788B2 (en) | 2010-09-01 | 2015-07-21 | Concert Pharmaceuticals, Inc. | Process for preparing an enantiomerically enriched, deuterated secondary alcohol from a corresponding ketone without reducing deuterium incorporation |
WO2012031073A1 (en) | 2010-09-01 | 2012-03-08 | Concert Pharmaceuticals, Inc. | Process for preparing an enantiomerically enriched, deuterated secondary alcohol from a corresponding ketone without reducing deuterium incorporation |
CN104364255A (zh) | 2012-04-13 | 2015-02-18 | 康塞特医药品有限公司 | 取代的黄嘌呤衍生物 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1245969B (de) * | 1967-08-03 | VEB Arzneimittelwerk Dresden, Radebeul | Verfahren zur Herstellung von Xanthinderivaten | |
US2517410A (en) * | 1947-08-15 | 1950-08-01 | Searle & Co | Hydroxy alkyl xanthines and the production thereof |
FR1211333A (fr) * | 1955-10-19 | 1960-03-15 | Boehringer Sohn Ingelheim | Perfectionnements apportés aux procédés pour fabriquer des oxyalcoylxanthines |
DE2335170C2 (de) * | 1973-07-11 | 1989-07-20 | Hoechst Ag, 6230 Frankfurt | 1,3-Dialkyl-7-(hydroxyalkyl)-xanthine, Verfahren zu ihrer Herstellung und diese enthaltende Arzneimittel |
US4576947A (en) * | 1967-12-16 | 1986-03-18 | Hoechst Aktiengesellschaft | Pharmaceutical compositions |
BE795345A (fr) * | 1972-02-19 | 1973-08-13 | Albert Ag Chem Werke | MEDICAMENT UTILE NOTAMMENT POUR L'IRRIGATION CEREBRALE, PROCEDE DE PREPARATION DE SES MATIERES ACTIVES ET CES MATIERES ElLES-MEMES |
CH622519A5 (en) * | 1974-07-05 | 1981-04-15 | Hoechst Ag | Process for the preparation of hydroxyalkylxanthines |
DE2432702C2 (de) * | 1974-07-08 | 1983-01-20 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Hydroxyalkylxanthinen |
CA1075690A (en) * | 1974-12-13 | 1980-04-15 | Hoechst Aktiengesellschaft | Xanthine derivatives |
DE3062499D1 (en) * | 1979-04-05 | 1983-05-05 | Beecham Wuelfing Gmbh & Co Kg | Dialkoxy- and dioxacycloalkyl-alkyltheobromines, pharmaceutical compositions containing them and their preparation |
JPS5838284A (ja) * | 1981-09-01 | 1983-03-05 | Teikoku Chem Ind Corp Ltd | 1−(5′−オキソヘキシル)−3,7−ジメチルキサンチンの製造方法 |
DE3138397A1 (de) * | 1981-09-26 | 1983-04-07 | Hoechst Ag, 6230 Frankfurt | "arzneimittel, darin enthaltene vicinale dihydroxyalkylxanthine und herstellungsverfahren fuer diese xanthinverbindungen" |
US4575795A (en) * | 1983-04-01 | 1986-03-11 | Honeywell Information Systems Inc. | Apparatus for detecting a predetermined character of a data string |
-
1985
- 1985-07-19 DE DE19853525801 patent/DE3525801A1/de not_active Withdrawn
-
1986
- 1986-07-08 KR KR1019870700245A patent/KR950001019B1/ko not_active IP Right Cessation
- 1986-07-08 EP EP86904158A patent/EP0268585B1/de not_active Expired - Lifetime
- 1986-07-08 AT AT86904158T patent/ATE53211T1/de not_active IP Right Cessation
- 1986-07-08 US US07/032,729 patent/US4833146A/en not_active Expired - Lifetime
- 1986-07-08 DE DE8686904158T patent/DE3671627D1/de not_active Expired - Fee Related
- 1986-07-08 JP JP61504113A patent/JPH0788382B2/ja not_active Expired - Lifetime
- 1986-07-08 RU SU864355018A patent/RU2051918C1/ru active
- 1986-07-08 AU AU61439/86A patent/AU588350B2/en not_active Ceased
- 1986-07-08 HU HU863670A patent/HU198486B/hu not_active IP Right Cessation
- 1986-07-08 WO PCT/EP1986/000401 patent/WO1987000523A2/de active IP Right Grant
- 1986-07-17 PH PH34027A patent/PH26262A/en unknown
- 1986-07-17 NZ NZ216888A patent/NZ216888A/xx unknown
- 1986-07-17 DD DD86292595A patent/DD261156A5/de not_active IP Right Cessation
- 1986-07-17 CS CS545386A patent/CS272766B2/cs unknown
- 1986-07-17 ES ES8600356A patent/ES2001019A6/es not_active Expired
- 1986-07-17 GR GR861866A patent/GR861866B/el unknown
- 1986-07-18 IL IL79457A patent/IL79457A0/xx not_active IP Right Cessation
- 1986-07-18 PT PT83013A patent/PT83013B/pt not_active IP Right Cessation
- 1986-07-18 MA MA20967A patent/MA20739A1/fr unknown
- 1986-07-18 MX MX925486A patent/MX9254A/es unknown
- 1986-07-18 CN CN86105835A patent/CN1026112C/zh not_active Expired - Lifetime
- 1986-07-18 ZA ZA865374A patent/ZA865374B/xx unknown
- 1986-07-18 IE IE191786A patent/IE59025B1/en not_active IP Right Cessation
- 1986-07-18 CA CA000514174A patent/CA1262248A/en not_active Expired
- 1986-07-18 TN TNTNSN86111A patent/TNSN86111A1/fr unknown
- 1986-07-18 AR AR86304545A patent/AR244689A1/es active
-
1987
- 1987-03-18 NO NO871111A patent/NO165803C/no not_active IP Right Cessation
- 1987-03-18 DK DK139287A patent/DK157867C/da not_active IP Right Cessation
-
1988
- 1988-01-15 FI FI880174A patent/FI89921C/fi not_active IP Right Cessation
- 1988-01-18 OA OA59264A patent/OA08707A/xx unknown
-
1993
- 1993-05-05 LV LV930291A patent/LV5703A3/xx unknown
- 1993-11-12 LT LTIP1467A patent/LT3869B/lt not_active IP Right Cessation
-
1994
- 1994-02-23 BG BG098535A patent/BG60767B2/bg unknown
Non-Patent Citations (3)
Title |
---|
MICHAEL H. KARGER, YEHUDA MAZUR: "Methoxymethyl methanesulfonate. Active oxyalkylating agent", J. AM. CHEM. SOC, 1969, pages 5663 - 5665 |
MÜLLER EUGEN, BAYER OTTO, CRIEGEE RUDOLF: "Methoden der organischen Chemie (Houben-Weyl) ; Bd. 6, 1a", pages: 928 - 940 |
YEHUDA MAZUR, MICHAEL H. KARGER: "Mixed sulfonic-carboxylic anhydrides. I. Synthesis and thermal stability. New syntheses of sulfonic anhydrides", J. ORG. CHEM., 1971, pages 528 - 531, XP002480436, DOI: doi:10.1021/jo00803a009 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM9A | Lapsed patents |
Effective date: 19961112 |