KR910015568A - 신경 보호성 3-피페리디노-4-하이드록시 크로만 유도체 - Google Patents
신경 보호성 3-피페리디노-4-하이드록시 크로만 유도체 Download PDFInfo
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- KR910015568A KR910015568A KR1019910002022A KR910002022A KR910015568A KR 910015568 A KR910015568 A KR 910015568A KR 1019910002022 A KR1019910002022 A KR 1019910002022A KR 910002022 A KR910002022 A KR 910002022A KR 910015568 A KR910015568 A KR 910015568A
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- South Korea
- Prior art keywords
- compound
- separated
- piperidino
- formula
- general formula
- Prior art date
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-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D451/00—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof
- C07D451/02—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane; Cyclic acetals thereof
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/10—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with radicals containing only carbon and hydrogen atoms attached to ring carbon atoms
- C07D211/14—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with radicals containing only carbon and hydrogen atoms attached to ring carbon atoms with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members 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
- C07D211/40—Oxygen atoms
- C07D211/44—Oxygen atoms attached in position 4
- C07D211/48—Oxygen atoms attached in position 4 having an acyclic carbon atom attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members 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
- C07D211/40—Oxygen atoms
- C07D211/44—Oxygen atoms attached in position 4
- C07D211/52—Oxygen atoms attached in position 4 having an aryl radical as the second substituent in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D451/00—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof
- C07D451/02—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane; Cyclic acetals thereof
- C07D451/04—Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamine; Cyclic acetals thereof containing not further condensed 8-azabicyclo [3.2.1] octane or 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring systems, e.g. tropane; Cyclic acetals thereof with hetero atoms directly attached in position 3 of the 8-azabicyclo [3.2.1] octane or in position 7 of the 3-oxa-9-azatricyclo [3.3.1.0<2,4>] nonane ring system
- C07D451/06—Oxygen atoms
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- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Hospice & Palliative Care (AREA)
- Psychiatry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Hydrogenated Pyridines (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (8)
- 하기 일반식(Ⅰ)의 화합물 또는 약제학적으로 허용가능한 그의 염.상기식에서, A 및 B는 함께 -CH2CH2-이거나, 서로 분리되어 각각 H이고; X는 CH2또는 O이며; X1은 H 또는 OH이고; Z는 H, F, Cl, Br 또는 OH이며; Z1은 H, F, Cl, Br 또는 (C1-C3)알킬이고; n은 0 또는 1이며; m은 0 또는 1 내지 6의 정수이다.
- 제1항에 있어서, 하기 일반식(Ia)의 시스 입체 화학식을 갖는 화합물.상기식에서, A 및 B는 서로 분리되어 있고; Z는 H, F, Cl 또는 OH이며; Z1은 H이고; m은 0.1 또는 2이며; x는 0이고; n은 1이다.
- 제2항에 있어서, Z가 크로만 환 시스템의 7-위치에 치환되며 OH인 화합물.
- 제1항에 있어서, 하기 일반식(Ib)의 트란스 입체 화학식을 갖는 화합물.상기식에서, A 및 B는 서로 분리되어 있고; Z는 OH이며; Z1은 H이고; m은 0.1 또는 2이며; x는 CH2이고; n은 1이다.
- 제4항에 있어서, Z가 테트라하이드로나프탈렌 환 시스템의 6-위치에 치환되며 OH인 화합물.
- 제1항에 있어서, A 및 B가 서로 분리되어 있으며, Z가 OH이고, Z1이 H이며, m이 0.1 또는 2이고, x가 CH2이며, n이 0인 화합물.
- 제6항에 있어서, X1이 OH이고, m이 0인 화합물.
- 하기 일반식(Ⅱ)의 화합물상기식에서, A 및 B는 함께 -CH2CH2- 이거나, A 및 B가 서로 분리되어 각각 H이고; G 및 J는 함께 O이거나, G 와 J가 서로 분리되어 G는 수소이고, J는 하이드록시이며; X는 CH2또는 O이며; X1은 H 또는 OH이며; Z1은 H, F, Cl, Br 또는 (C1-C3)알킬이고; Z3는 H, F, Cl, Br 또는 OR이며; R은 H 또는 통상의 하이드록시 보호 그룹이고; n은 0 또는 1이며; m은 0 또는 1 내지 6의 정수이고; 단, G 및 J가 분리되어 있을때 Z3는 OR1이고, R1은 통상의 하이드록시 보호그룹이다.하기 일반식(Ⅲ)의 화합물.상기식에서, A 및 B는 함께 -CH2CH2- 이거나, A 및 B가 서로 분리되어 각각 H이고; X1은 H 또는 OH이며; Z1은 H, F, Cl,Br 또는 (C1-C3)알킬이고; Z3은 H, F, Cl, Br 또는 OR이며; R은 H 또는 통상의 하이드록시 보호 그룹이고; m은 0 또는1 내지 6의 정수이다.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
USPCT/US90/00674 | 1990-02-06 | ||
PCT/US1990/000674 WO1991012005A1 (en) | 1990-02-06 | 1990-02-06 | Neuroprotective 3-piperidino-4-hydroxychroman derivatives and analogs |
US90/00674 | 1990-02-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910015568A true KR910015568A (ko) | 1991-09-30 |
KR930011041B1 KR930011041B1 (ko) | 1993-11-20 |
Family
ID=22220666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910002022A KR930011041B1 (ko) | 1990-02-06 | 1991-02-06 | 신경 보호성 3-피페리디노-4-하이드록시 크로만 유도체 |
Country Status (29)
Country | Link |
---|---|
US (1) | US5356905A (ko) |
EP (1) | EP0441506B1 (ko) |
JP (1) | JPH0768214B2 (ko) |
KR (1) | KR930011041B1 (ko) |
CN (1) | CN1029960C (ko) |
AT (1) | ATE108787T1 (ko) |
AU (1) | AU626490B2 (ko) |
BR (1) | BR9100490A (ko) |
CA (1) | CA2035653C (ko) |
CZ (1) | CZ286218B6 (ko) |
DE (2) | DE69102893T4 (ko) |
DK (1) | DK0441506T3 (ko) |
EG (1) | EG19643A (ko) |
ES (1) | ES2056571T3 (ko) |
FI (1) | FI94957C (ko) |
HU (1) | HU222726B1 (ko) |
IE (1) | IE63836B1 (ko) |
IL (1) | IL97100A (ko) |
MX (1) | MX24433A (ko) |
MY (1) | MY105293A (ko) |
NO (1) | NO178399C (ko) |
NZ (1) | NZ237025A (ko) |
PH (1) | PH31061A (ko) |
PL (1) | PL164866B1 (ko) |
PT (1) | PT96664B (ko) |
RU (1) | RU2099339C1 (ko) |
SK (1) | SK281729B6 (ko) |
WO (1) | WO1991012005A1 (ko) |
ZA (1) | ZA91830B (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU654554B2 (en) * | 1991-04-18 | 1994-11-10 | Pfizer Inc. | Prodrug esters of phenolic 2-piperidino-1-alkanols |
US5594007A (en) * | 1991-04-18 | 1997-01-14 | Pfizer Inc. | Method for treating spinal cord trauma with phenolic 2-piperidino-1-alkanols |
US5436255A (en) * | 1992-07-23 | 1995-07-25 | Pfizer Inc. | Method of treating diseases susceptable to treatment by blocking NMDA-receptors |
US5498610A (en) * | 1992-11-06 | 1996-03-12 | Pfizer Inc. | Neuroprotective indolone and related derivatives |
NZ275151A (en) * | 1994-01-31 | 1998-02-26 | Pfizer | 3r*4s*3-[4-(4-fluorophenyl)-4-hydroxy-piperidin-1-yl]-chroman-4 ,7-diol; isomers and salts |
CZ290988B6 (cs) * | 1994-08-18 | 2002-11-13 | Pfizer Inc. | Deriváty fenolu a farmaceutický prostředek na jejich bázi |
US6258827B1 (en) | 1995-05-26 | 2001-07-10 | Pfizer Inc. | Combinations for the treatment of parkinsonism containing selective NMDA antagonists |
TW498067B (en) * | 1996-07-19 | 2002-08-11 | Hoffmann La Roche | 4-hydroxy-piperidine derivatives |
US6380205B1 (en) | 1999-10-29 | 2002-04-30 | Merck & Co., Inc. | 2-cyclohexyl quinazoline NMDA/NR2B antagonists |
US6291499B1 (en) | 1999-10-29 | 2001-09-18 | Merck & Co., Inc. | 2-cyclohexyl benzimidazole NMDA/NR2B antagonists |
US6476041B1 (en) | 1999-10-29 | 2002-11-05 | Merck & Co., Inc. | 1,4 substituted piperidinyl NMDA/NR2B antagonists |
US6316474B1 (en) | 1999-10-29 | 2001-11-13 | Merck & Co., Inc. | 2-benzyl and 2-heteroaryl benzimidazole NMDA/NR2B antagonists |
US6489477B1 (en) | 1999-10-29 | 2002-12-03 | Merck & Co., Inc. | 2-aza-bicyclo[2.2.2]octane NMDA/NR2B antigonists |
US6369076B1 (en) | 1999-10-29 | 2002-04-09 | Merck & Co. Inc. | 5-benzyl-octahydroindole and 6-benzyl-decahydroquinoline NMDA/NR2B antagonists |
US6495561B2 (en) | 1999-10-29 | 2002-12-17 | Merck & Co., Inc. | 2-cyclohexyl imidazopyridine NMDA/NR2B antagonists |
US6432976B1 (en) | 1999-10-29 | 2002-08-13 | Merck & Co., Inc. | 8-aza-bicyclo[3.2.1]octane NMDA/NR2B antagonists |
EP1235572A2 (en) | 1999-10-29 | 2002-09-04 | MERCK SHARP & DOHME LTD. | Method to treat pain utilizing benzimidazole nmda/nr2b antagonists |
IL145209A0 (en) | 2000-09-06 | 2002-06-30 | Pfizer Prod Inc | Pharmaceutical combinations for the treatment of stroke and traumatic brain injury |
EP1674087A1 (en) | 2000-10-02 | 2006-06-28 | Pfizer Products Inc. | Prophylactic use of n-methyl-d-aspartate (NMDA) antagonists |
UA75392C2 (en) | 2001-02-23 | 2006-04-17 | Merck & Co Inc | N-substituted non-aryl heterocyclic antagonists nmda/nr2b |
CA2443108A1 (en) | 2001-04-03 | 2002-10-17 | Merck & Co. Inc. | N-substituted nonaryl-heterocyclo amidyl nmda/nr2b antagonists |
WO2005034878A2 (en) * | 2003-10-08 | 2005-04-21 | President And Fellows Of Harvard College | Pyrovalerone analogs and therapeutic uses thereof |
DE602004028150D1 (de) * | 2003-11-26 | 2010-08-26 | Pfizer Prod Inc | Aminopyrazolderivate als gsk-3-inhibitoren |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3294804A (en) * | 1961-01-27 | 1966-12-27 | Sterling Drug Inc | 1-(3-hydroxy-3-phenylpropyl)-4-phenyl-4-propionoxy-piperidine |
FR5733M (ko) * | 1966-09-27 | 1968-01-22 | ||
GB1495526A (en) * | 1974-05-31 | 1977-12-21 | Beecham Group Ltd | Chroman derivatives |
DE2507782A1 (de) * | 1975-02-22 | 1976-09-02 | Merck Patent Gmbh | Tetralon- und indanon-derivate sowie verfahren zu ihrer herstellung |
US4016281A (en) * | 1975-02-22 | 1977-04-05 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Tetralone and indanone compounds |
ATE23718T1 (de) * | 1981-09-25 | 1986-12-15 | Beecham Group Plc | Benzopyran-verbindungen mit pharmazeutischer wirkung. |
EP0093534A1 (en) * | 1982-04-28 | 1983-11-09 | Beecham Group Plc | Novel chromanols |
GB8308064D0 (en) * | 1983-03-24 | 1983-05-05 | Beecham Group Plc | Active compounds |
-
1990
- 1990-02-06 US US07/916,130 patent/US5356905A/en not_active Expired - Lifetime
- 1990-02-06 MX MX2443391A patent/MX24433A/es unknown
- 1990-02-06 HU HU9202568A patent/HU222726B1/hu active IP Right Grant
- 1990-02-06 WO PCT/US1990/000674 patent/WO1991012005A1/en active IP Right Grant
- 1990-02-06 RU SU5053040/04A patent/RU2099339C1/ru not_active IP Right Cessation
-
1991
- 1991-01-21 PH PH41875A patent/PH31061A/en unknown
- 1991-01-24 DK DK91300549.2T patent/DK0441506T3/da active
- 1991-01-24 EP EP91300549A patent/EP0441506B1/en not_active Expired - Lifetime
- 1991-01-24 ES ES91300549T patent/ES2056571T3/es not_active Expired - Lifetime
- 1991-01-24 AT AT91300549T patent/ATE108787T1/de not_active IP Right Cessation
- 1991-01-24 DE DE69102893A patent/DE69102893T4/de not_active Expired - Fee Related
- 1991-01-30 IL IL9710091A patent/IL97100A/en not_active IP Right Cessation
- 1991-02-01 CZ CS1991250A patent/CZ286218B6/cs not_active IP Right Cessation
- 1991-02-01 SK SK250-91A patent/SK281729B6/sk unknown
- 1991-02-04 CA CA002035653A patent/CA2035653C/en not_active Expired - Fee Related
- 1991-02-04 PL PL91288949A patent/PL164866B1/pl not_active IP Right Cessation
- 1991-02-04 PT PT96664A patent/PT96664B/pt not_active IP Right Cessation
- 1991-02-05 CN CN91100705A patent/CN1029960C/zh not_active Expired - Fee Related
- 1991-02-05 IE IE37291A patent/IE63836B1/en not_active IP Right Cessation
- 1991-02-05 NZ NZ237025A patent/NZ237025A/en unknown
- 1991-02-05 JP JP3014569A patent/JPH0768214B2/ja not_active Expired - Fee Related
- 1991-02-05 MY MYPI91000171A patent/MY105293A/en unknown
- 1991-02-05 ZA ZA91830A patent/ZA91830B/xx unknown
- 1991-02-05 AU AU70293/91A patent/AU626490B2/en not_active Ceased
- 1991-02-06 BR BR919100490A patent/BR9100490A/pt not_active Application Discontinuation
- 1991-02-06 EG EG7291A patent/EG19643A/xx active
- 1991-02-06 KR KR1019910002022A patent/KR930011041B1/ko not_active IP Right Cessation
- 1991-02-06 DE DE9101346U patent/DE9101346U1/de not_active Expired - Lifetime
-
1992
- 1992-08-05 NO NO923081A patent/NO178399C/no not_active IP Right Cessation
- 1992-08-05 FI FI923527A patent/FI94957C/fi active
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