AR247206A1 - Un procedimiento de preparacion de derivados de acidos benzocicloalquenil-dihidroxi-alcanoico. - Google Patents
Un procedimiento de preparacion de derivados de acidos benzocicloalquenil-dihidroxi-alcanoico.Info
- Publication number
- AR247206A1 AR247206A1 AR90315991A AR31599190A AR247206A1 AR 247206 A1 AR247206 A1 AR 247206A1 AR 90315991 A AR90315991 A AR 90315991A AR 31599190 A AR31599190 A AR 31599190A AR 247206 A1 AR247206 A1 AR 247206A1
- Authority
- AR
- Argentina
- Prior art keywords
- alkyl
- chlorine
- phenyl
- substituted
- positions
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
-
- 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
- A61P3/06—Antihyperlipidemics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/10—Antimycotics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/235—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing six-membered aromatic rings and other rings
- C07C47/238—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing six-membered aromatic rings and other rings having unsaturation outside the aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/24—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/277—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/657—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings
- C07C49/665—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings a keto group being part of a condensed ring system
- C07C49/67—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings a keto group being part of a condensed ring system having two rings, e.g. tetralones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/30—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/30—Oxygen atoms, e.g. delta-lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/96—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings spiro-condensed with carbocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D335/00—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom
- C07D335/04—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D335/06—Benzothiopyrans; Hydrogenated benzothiopyrans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
- C07D407/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/04—One of the condensed rings being a six-membered aromatic ring
- C07C2602/10—One of the condensed rings being a six-membered aromatic ring the other ring being six-membered, e.g. tetraline
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Diabetes (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Oncology (AREA)
- Obesity (AREA)
- Communicable Diseases (AREA)
- Heart & Thoracic Surgery (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Pyrane Compounds (AREA)
Abstract
PREPARACION DE DERIVADOS DE ACIDOS BENZOCICLOALQUENIL-DIHIDROXI-ALCANOICO DE FORMULA (1), EN LA CUAL, X ES -CH2-, OXIGENO O DE AZUFRE; R1 Y R2 SON HIDROGENO O ALQUILO; R1 Y R2 PUEDEN TAMBIEN FORMAR EN CONJUNTO UNA CADENA ALQUILENO -(CH2)N-, CON N=4 O 5 Y SUSTITUIDA O NO POR UNO O DOS ALQUILO; R3 Y R4 QUE PUEDEN SER HIDROGENO, FLUOR, CLORO O BROMO, CF3, N,N- DIALQUILAMINO, ALQUILO, ALCOXI, FENILO SUSTITUIDO O NO POR UN MAXIMO DE DOS, ALQUILO, FLUOR O CLORO, QUEDANDO ENTENDIDO QUE CUANDO UNO DE LOS R3 O R4 ES CF3, N,N-DIALQUILAMINO, FENILO O FENILO SUSTITUIDO, SE ENCUENTRA EN LAS POSICIONES 3', 4' O 5' Y EL OTRO ES H; R5 Y R6 SON ATOMOS DE HIDROGENO, FLUOR, CLORO O BROMO, CF3, ALQUILO, ALCOXI O FENILO SUSTITUIDO O NO POR UN MAXIMO DE DOS ALQUILO, ALCOXI O FLUOR O CLORO, ACONDICION DE QUE CUANDO UNO DE R5 Y R6 ES CF3, FENILO O FENILO SUSTITUIDO SE ENCUENTRA EN LAS POSICIONES 6 O 7 Y ES H; LOS R3 Y R4 RESPECTIVAMENTE R5 Y R6 PUEDEN TAMBIEN FORMAR EN CONJUNTO, A CONDICION DE ESTAR EN DO S POSICIONES CONTIGUAS, LOS RADICALES DE FORMULAS: -CH=CH-CH=CH-, -(CH2)M- O -O(CH2)PO-, EN LAS CUALES M PUEDE SER IGUAL A 3 O 4 Y P A 1 O 2, QUEDANDO ENTENDIDO QUE CUANDO R3 Y R4,RESPECTIVAMENTE R5 Y R6 SON -O(CH2)NO-,ESTE SE HALLA CONECTADO A LAS POSICIONES 3' Y 4' O 4' Y 5'RESPECTIVAMENTE 6 Y 7; LOS SUSTITUYENTE R7 Y R8 SON H O FORMAN EN CONJUNTO UN DOBLE ENLACE DE GEOMETRIA TRANS (E); LOS SUSTITUYENTES R9 Y R10 SON H O FORMAN EN CONJUNTO UN RESTO DIALQUILMETILENO DE 1 A 3 ATOMOS DE CARBONO, SIENDO R11 CON EL GRUPO CO UNA FUNCION ACIDO LIBRE, ESTER, AMIDA, SAL DE ACIDO O FORMANDO CON R9 UN CICLO DELTA-LACTONA, QUE COMPRENDE POR LO MENOS, A) LA REDUCCION DE UN CETOESTER DE FORMULA (4).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8900790A FR2642065B1 (fr) | 1989-01-24 | 1989-01-24 | Derives d'acides benzocycloalcenyl dihydroxy alcanoiques, procede de preparation et medicaments les contenant |
Publications (1)
Publication Number | Publication Date |
---|---|
AR247206A1 true AR247206A1 (es) | 1994-11-30 |
Family
ID=9378002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR90315991A AR247206A1 (es) | 1989-01-24 | 1990-01-23 | Un procedimiento de preparacion de derivados de acidos benzocicloalquenil-dihidroxi-alcanoico. |
Country Status (28)
Country | Link |
---|---|
US (1) | US5082859A (es) |
EP (1) | EP0380392B1 (es) |
JP (1) | JP2561354B2 (es) |
AR (1) | AR247206A1 (es) |
AT (1) | ATE104666T1 (es) |
AU (1) | AU629602B2 (es) |
CA (1) | CA2008341C (es) |
CZ (1) | CZ278567B6 (es) |
DD (2) | DD291749A5 (es) |
DE (1) | DE69008205T2 (es) |
DK (1) | DK0380392T3 (es) |
DZ (1) | DZ1390A1 (es) |
ES (1) | ES2055350T3 (es) |
FR (1) | FR2642065B1 (es) |
GE (1) | GEP19971017B (es) |
HU (1) | HU206307B (es) |
IE (1) | IE64243B1 (es) |
IL (1) | IL93124A (es) |
MA (1) | MA21737A1 (es) |
NO (1) | NO173992C (es) |
NZ (1) | NZ232226A (es) |
OA (1) | OA09190A (es) |
PT (1) | PT92945B (es) |
RU (1) | RU2012554C1 (es) |
SK (1) | SK278578B6 (es) |
TN (1) | TNSN90008A1 (es) |
YU (1) | YU48227B (es) |
ZA (1) | ZA90511B (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2630111B1 (fr) * | 1988-04-13 | 1990-07-27 | Adir | Nouveaux derives trieniques de structure chromenique, leur procede de preparation et les compositions pharmaceutiques qui les contiennent |
FR2630110B1 (fr) * | 1988-04-13 | 1990-07-27 | Adir | Nouveaux derives heteroarotinoides, leur procede de preparation et les compositions pharmaceutiques qui les contiennent |
WO1994000424A1 (en) * | 1992-06-25 | 1994-01-06 | G.D. Searle & Co. | Phenyl amidine alkanoic acids and lactones useful as platelet aggregation inhibitors |
US6083497A (en) | 1997-11-05 | 2000-07-04 | Geltex Pharmaceuticals, Inc. | Method for treating hypercholesterolemia with unsubstituted polydiallylamine polymers |
NZ504346A (en) * | 1997-12-19 | 2001-11-30 | Warner Lambert Exp Ltd | Process for the synthesis of 1,3-diols characterised by either reconcentration step with either trialkylborane or dialkylalkoxyborane or a mixture of both trialkylborane and dialkylalkoxyborane |
FR2772761B1 (fr) * | 1997-12-23 | 2000-05-26 | Lipha | Nouveaux derives de n-phenylamide et n-pyridylamide, leur procede de preparation et compositions pharmaceutiques les contenant |
WO2005007110A2 (en) * | 2003-07-11 | 2005-01-27 | Pro-Pharmaceuticals, Inc. | Compositions and methods for hydrophobic drug delivery |
US20050053664A1 (en) * | 2003-09-08 | 2005-03-10 | Eliezer Zomer | Co-administration of a polysaccharide with a chemotherapeutic agent for the treatment of cancer |
WO2005079314A2 (en) * | 2004-02-13 | 2005-09-01 | Pro-Pharmaceuticals, Inc. | Compositions and methods used to treat acne and candida |
WO2006017417A2 (en) * | 2004-08-02 | 2006-02-16 | Pro-Pharmaceuticals, Inc. | Compositions and methods for the enhancement of chemotherapy with microbial cytotoxins |
EP1827448A1 (en) * | 2004-12-15 | 2007-09-05 | Solvay Pharmaceuticals GmbH | Pharmaceutical compositions comprising nep-inhibitors, inhibitors of the endogenous endothelin producing system and hmg coa reductase inhibitors |
TWI316937B (en) * | 2005-03-31 | 2009-11-11 | Schering Corp | Spirocyclic thrombin receptor antagonists |
WO2007030302A2 (en) * | 2005-09-01 | 2007-03-15 | Prescient Medical, Inc. | Drugs coated on a device to treat vulnerable plaque |
RS53461B (en) | 2006-07-05 | 2014-12-31 | Takeda Gmbh | COMBINATION OF HMG-COA REDUCTASE INHIBITOR OR SIMVASTATIN WITH PHOSPHODIESTERASE 4 INHIBITOR AS A ROFLUMILAST FOR THE TREATMENT OF INFLAMMATORY PULMONARY DISEASES |
CN101570510B (zh) * | 2008-04-30 | 2011-08-31 | 上海医药工业研究院 | 喹啉类化合物及其药物组合物、制备方法和应用 |
JP6224624B2 (ja) | 2012-02-02 | 2017-11-01 | ザ・ユニバーシティ・オブ・シドニー | 涙膜安定性における改善 |
MY160723A (en) * | 2013-12-30 | 2017-03-15 | Univ Putra Malaysia | An anticoagulant |
BR112019015107A2 (pt) | 2017-01-23 | 2020-03-10 | Dong Wha Pharm. Co., Ltd. | Formulação de complexo compreendendo inibidor de hmg-coa redutase e clopidogrel |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3063585D1 (en) * | 1979-05-19 | 1983-07-07 | Beecham Group Plc | Chroman derivatives, processes for their preparation and pharmaceutical compositions containing them |
US4556676A (en) * | 1979-11-01 | 1985-12-03 | Pfizer Inc. | Antidepressant derivatives of trans-4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine |
JPS62501009A (ja) * | 1984-12-04 | 1987-04-23 | サンド・アクチエンゲゼルシヤフト | メバロノラクトンのインデン同族体及びその誘導体 |
KR900007781B1 (ko) * | 1986-01-16 | 1990-10-20 | 쉐링 코포레이션 | 융합된 벤즈아제핀 |
JPS62181276A (ja) * | 1986-02-06 | 1987-08-08 | Sagami Chem Res Center | 2h−クロメン誘導体 |
GB8611837D0 (en) * | 1986-05-15 | 1986-06-25 | Plessey Co Plc | Photochromic spiropyran compounds |
IL87019A (en) * | 1987-07-10 | 1993-07-08 | Hoffmann La Roche | Substituted alkene carboxamides and derivatives, their manufacture and pharmaceutical compositions containing them |
-
1989
- 1989-01-24 FR FR8900790A patent/FR2642065B1/fr not_active Expired - Lifetime
-
1990
- 1990-01-22 ES ES90400161T patent/ES2055350T3/es not_active Expired - Lifetime
- 1990-01-22 DE DE69008205T patent/DE69008205T2/de not_active Expired - Fee Related
- 1990-01-22 DZ DZ900008A patent/DZ1390A1/fr active
- 1990-01-22 AT AT9090400161T patent/ATE104666T1/de not_active IP Right Cessation
- 1990-01-22 EP EP90400161A patent/EP0380392B1/fr not_active Expired - Lifetime
- 1990-01-22 IL IL9312490A patent/IL93124A/en not_active IP Right Cessation
- 1990-01-22 DK DK90400161.7T patent/DK0380392T3/da active
- 1990-01-23 DD DD90337274A patent/DD291749A5/de not_active IP Right Cessation
- 1990-01-23 DD DD344416A patent/DD300422A5/de unknown
- 1990-01-23 HU HU90239A patent/HU206307B/hu not_active IP Right Cessation
- 1990-01-23 CA CA002008341A patent/CA2008341C/fr not_active Expired - Fee Related
- 1990-01-23 AR AR90315991A patent/AR247206A1/es active
- 1990-01-23 RU SU904743212A patent/RU2012554C1/ru active
- 1990-01-23 NO NO900309A patent/NO173992C/no unknown
- 1990-01-23 OA OA59728A patent/OA09190A/xx unknown
- 1990-01-23 MA MA21999A patent/MA21737A1/fr unknown
- 1990-01-23 IE IE26090A patent/IE64243B1/en not_active IP Right Cessation
- 1990-01-24 YU YU12490A patent/YU48227B/sh unknown
- 1990-01-24 SK SK341-90A patent/SK278578B6/sk unknown
- 1990-01-24 NZ NZ232226A patent/NZ232226A/xx unknown
- 1990-01-24 AU AU48797/90A patent/AU629602B2/en not_active Ceased
- 1990-01-24 ZA ZA90511A patent/ZA90511B/xx unknown
- 1990-01-24 JP JP2012746A patent/JP2561354B2/ja not_active Expired - Lifetime
- 1990-01-24 CZ CS90341A patent/CZ278567B6/cs not_active IP Right Cessation
- 1990-01-24 TN TNTNSN90008A patent/TNSN90008A1/fr unknown
- 1990-01-24 PT PT92945A patent/PT92945B/pt not_active IP Right Cessation
- 1990-01-24 US US07/469,121 patent/US5082859A/en not_active Expired - Fee Related
-
1993
- 1993-03-30 GE GEAP1993645A patent/GEP19971017B/en unknown
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