DD260068A5 - Verfahren zur herstellung von 5- oder 6-substituierten-beta-carbolin-3-carbonsaeureestern - Google Patents
Verfahren zur herstellung von 5- oder 6-substituierten-beta-carbolin-3-carbonsaeureestern Download PDFInfo
- Publication number
- DD260068A5 DD260068A5 DD86298773A DD29877386A DD260068A5 DD 260068 A5 DD260068 A5 DD 260068A5 DD 86298773 A DD86298773 A DD 86298773A DD 29877386 A DD29877386 A DD 29877386A DD 260068 A5 DD260068 A5 DD 260068A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- carboline
- carboxylic acid
- methoxymethyl
- beta
- general formula
- Prior art date
Links
- -1 6-SUBSTITUTED-BETA-CARBOLIN-3-CARBOXYLIC ACID Chemical class 0.000 title abstract description 38
- 238000004519 manufacturing process Methods 0.000 title 1
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 11
- 239000001257 hydrogen Substances 0.000 claims abstract description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 9
- 150000002367 halogens Chemical class 0.000 claims abstract description 9
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 4
- 125000002648 azanetriyl group Chemical group *N(*)* 0.000 claims abstract description 3
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 17
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 12
- 150000002148 esters Chemical class 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 150000002466 imines Chemical class 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 238000003776 cleavage reaction Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000007363 ring formation reaction Methods 0.000 claims description 5
- 230000007017 scission Effects 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 238000005580 one pot reaction Methods 0.000 claims description 2
- UUEVFMOUBSLVJW-UHFFFAOYSA-N oxo-[[1-[2-[2-[2-[4-(oxoazaniumylmethylidene)pyridin-1-yl]ethoxy]ethoxy]ethyl]pyridin-4-ylidene]methyl]azanium;dibromide Chemical compound [Br-].[Br-].C1=CC(=C[NH+]=O)C=CN1CCOCCOCCN1C=CC(=C[NH+]=O)C=C1 UUEVFMOUBSLVJW-UHFFFAOYSA-N 0.000 claims description 2
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 claims description 2
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 39
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- 238000002844 melting Methods 0.000 description 18
- 230000008018 melting Effects 0.000 description 18
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
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- 150000001298 alcohols Chemical class 0.000 description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 3
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- RCHIKXODKNSKOP-UHFFFAOYSA-N propan-2-yl 2-amino-4-methoxy-3-(5-phenylmethoxy-1h-indol-3-yl)butanoate Chemical compound C1=C2C(C(C(N)C(=O)OC(C)C)COC)=CNC2=CC=C1OCC1=CC=CC=C1 RCHIKXODKNSKOP-UHFFFAOYSA-N 0.000 description 3
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 3
- 238000005809 transesterification reaction Methods 0.000 description 3
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 2
- ARLVFKCLBYUINL-UHFFFAOYSA-N 9h-pyrido[3,4-b]indole-3-carboxylic acid Chemical class N1C2=CC=CC=C2C2=C1C=NC(C(=O)O)=C2 ARLVFKCLBYUINL-UHFFFAOYSA-N 0.000 description 2
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- 206010015037 epilepsy Diseases 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229960002200 flunitrazepam Drugs 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- HXRAMSFGUAOAJR-UHFFFAOYSA-N n,n,n',n'-tetramethyl-1-[(2-methylpropan-2-yl)oxy]methanediamine Chemical compound CN(C)C(N(C)C)OC(C)(C)C HXRAMSFGUAOAJR-UHFFFAOYSA-N 0.000 description 1
- KDOWIUUDFVGBNK-UHFFFAOYSA-N n-[2-methoxy-1-(5-phenylmethoxy-1h-indol-3-yl)ethyl]propan-2-amine Chemical compound C1=C2C(C(NC(C)C)COC)=CNC2=CC=C1OCC1=CC=CC=C1 KDOWIUUDFVGBNK-UHFFFAOYSA-N 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000003444 phase transfer catalyst Substances 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- JFUYBPGGWKSMDD-UHFFFAOYSA-N propan-2-yl 4-(methoxymethyl)-6-[(4-methylphenyl)methoxy]-9h-pyrido[3,4-b]indole-3-carboxylate Chemical compound C1=C2C=3C(COC)=C(C(=O)OC(C)C)N=CC=3NC2=CC=C1OCC1=CC=C(C)C=C1 JFUYBPGGWKSMDD-UHFFFAOYSA-N 0.000 description 1
- UYUGGQIQSKWNPH-UHFFFAOYSA-N propan-2-yl 4-(methoxymethyl)-6-phenylmethoxy-2,3,4,9-tetrahydro-1h-pyrido[3,4-b]indole-3-carboxylate Chemical compound C1=C2C=3C(COC)C(C(=O)OC(C)C)NCC=3NC2=CC=C1OCC1=CC=CC=C1 UYUGGQIQSKWNPH-UHFFFAOYSA-N 0.000 description 1
- NCPSTJUEAWAFDJ-UHFFFAOYSA-N propan-2-yl 5-[(2-chlorophenyl)methoxy]-4-(methoxymethyl)-9h-pyrido[3,4-b]indole-3-carboxylate Chemical compound C=12C=3C(COC)=C(C(=O)OC(C)C)N=CC=3NC2=CC=CC=1OCC1=CC=CC=C1Cl NCPSTJUEAWAFDJ-UHFFFAOYSA-N 0.000 description 1
- UTTIPAIGGZYMOS-UHFFFAOYSA-N propan-2-yl 5-[(4-chlorophenyl)methoxy]-4-(methoxymethyl)-9h-pyrido[3,4-b]indole-3-carboxylate Chemical compound C=12C=3C(COC)=C(C(=O)OC(C)C)N=CC=3NC2=CC=CC=1OCC1=CC=C(Cl)C=C1 UTTIPAIGGZYMOS-UHFFFAOYSA-N 0.000 description 1
- KMHBYDKLAWXSKH-UHFFFAOYSA-N propan-2-yl 6-[(2-chlorophenyl)methoxy]-4-(methoxymethyl)-9h-pyrido[3,4-b]indole-3-carboxylate Chemical compound C1=C2C=3C(COC)=C(C(=O)OC(C)C)N=CC=3NC2=CC=C1OCC1=CC=CC=C1Cl KMHBYDKLAWXSKH-UHFFFAOYSA-N 0.000 description 1
- SJRSXYRJUXHUJY-UHFFFAOYSA-N propan-2-yl 9h-pyrido[3,4-b]indole-3-carboxylate Chemical class N1C2=CC=CC=C2C2=C1C=NC(C(=O)OC(C)C)=C2 SJRSXYRJUXHUJY-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000000506 psychotropic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 230000001624 sedative effect Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 208000019116 sleep disease Diseases 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000009870 specific binding Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- IXZDIALLLMRYOU-UHFFFAOYSA-N tert-butyl hypochlorite Chemical compound CC(C)(C)OCl IXZDIALLLMRYOU-UHFFFAOYSA-N 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- UGKSITLWMZJTHC-UHFFFAOYSA-N tribromo-$l^{3}-bromane Chemical compound BrBr(Br)Br UGKSITLWMZJTHC-UHFFFAOYSA-N 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- 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
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Pharmacology & Pharmacy (AREA)
- Psychiatry (AREA)
- Animal Behavior & Ethology (AREA)
- Neurosurgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Steroid Compounds (AREA)
- Carbon And Carbon Compounds (AREA)
- Non-Alcoholic Beverages (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Polyesters Or Polycarbonates (AREA)
- Fats And Perfumes (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863609699 DE3609699A1 (de) | 1986-03-20 | 1986-03-20 | 5- oder 6-substituierte-(beta)-carbolin-3-carbonsaeureester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD260068A5 true DD260068A5 (de) | 1988-09-14 |
Family
ID=6297016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD86298773A DD260068A5 (de) | 1986-03-20 | 1986-12-30 | Verfahren zur herstellung von 5- oder 6-substituierten-beta-carbolin-3-carbonsaeureestern |
Country Status (24)
| Country | Link |
|---|---|
| US (2) | US5414002A (cs) |
| EP (1) | EP0239667B1 (cs) |
| JP (1) | JPH0670053B2 (cs) |
| AT (1) | ATE63119T1 (cs) |
| AU (1) | AU596385B2 (cs) |
| CA (1) | CA1332837C (cs) |
| CS (2) | CS277411B6 (cs) |
| DD (1) | DD260068A5 (cs) |
| DE (2) | DE3609699A1 (cs) |
| DK (1) | DK168953B1 (cs) |
| ES (1) | ES2039346T3 (cs) |
| FI (2) | FI864498A0 (cs) |
| GR (1) | GR3002085T3 (cs) |
| HU (1) | HU195218B (cs) |
| IE (1) | IE59344B1 (cs) |
| IL (1) | IL80667A (cs) |
| MX (1) | MX9203701A (cs) |
| NO (2) | NO864362D0 (cs) |
| NZ (1) | NZ218482A (cs) |
| PH (1) | PH25100A (cs) |
| PT (1) | PT83763B (cs) |
| RU (2) | RU1771475C (cs) |
| UA (2) | UA13475A (cs) |
| ZA (1) | ZA872072B (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4122722A1 (de) * | 1991-07-06 | 1993-01-07 | Schering Ag | Verfahren zur herstellung von indol-derivaten |
| DE19502753A1 (de) * | 1995-01-23 | 1996-07-25 | Schering Ag | Neue 9H-Pyrido[3,4-b]indol-Derivate |
| DE10136842A1 (de) * | 2001-07-23 | 2003-02-13 | Schering Ag | GABA¶A¶-Rezeptor-Modulatoren mit NMDA-antagonistischer Aktivität |
| US20030045541A1 (en) * | 2001-07-23 | 2003-03-06 | Christopher Bruckner | GABA-Receptor modulators with NMDA-Antagonistic activity |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ194747A (en) * | 1979-08-29 | 1988-11-29 | Schering Ag | 9h-pyrido(3,4-b)indol-3-ylcarboxylic acid derivatives |
| JPS57123180A (en) * | 1980-12-17 | 1982-07-31 | Schering Ag | 3-substituted beta-carboline, manufacture and psychotropic drug containing same |
| DE3240511A1 (de) * | 1982-10-29 | 1984-05-03 | Schering AG, 1000 Berlin und 4709 Bergkamen | Verfahren zur herstellung von ss-carbolinderivaten |
| DE3322895A1 (de) * | 1983-06-23 | 1985-01-03 | Schering AG, 1000 Berlin und 4709 Bergkamen | Neue ss-carboline, verfahren zur ihrer herstellung und ihre verwendung als arzneimittel (s) |
| DE3335323A1 (de) * | 1983-09-27 | 1985-04-04 | Schering AG, 1000 Berlin und 4709 Bergkamen | Substituierte ss-carboline, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel |
| DK240184D0 (da) * | 1984-05-15 | 1984-05-15 | Ferrosan As | Beta-carboline-3-carboxylic acid derivatives and method of preparing the same |
| DK704488D0 (da) * | 1988-12-19 | 1988-12-19 | Novo Industri As | Nye n-substituerede azaheterocykliske carboxylsyrer |
| DE3504045A1 (de) * | 1985-02-04 | 1986-08-07 | Schering AG, 1000 Berlin und 4709 Bergkamen | Verfahren zur herstellung von ss-carbolinen durch dehydrierung |
| DE3540653A1 (de) * | 1985-11-13 | 1987-05-14 | Schering Ag | Neue 3-oxadiazol- und 3-carbonsaeure-ss-carbolinderivate, ihre herstellung und ihre verwendung als arzneimittel |
| DE3545776A1 (de) * | 1985-12-20 | 1987-06-25 | Schering Ag | 5-aminoalkyl-ss-carbolinderivate, ihre herstellung und ihre verwendung als arzneimittel |
-
1986
- 1986-03-20 DE DE19863609699 patent/DE3609699A1/de not_active Withdrawn
- 1986-10-29 AT AT86115006T patent/ATE63119T1/de not_active IP Right Cessation
- 1986-10-29 EP EP86115006A patent/EP0239667B1/de not_active Expired - Lifetime
- 1986-10-29 DE DE8686115006T patent/DE3679059D1/de not_active Expired - Lifetime
- 1986-10-29 ES ES198686115006T patent/ES2039346T3/es not_active Expired - Lifetime
- 1986-10-31 NO NO864362A patent/NO864362D0/no unknown
- 1986-11-05 FI FI864498A patent/FI864498A0/fi not_active Application Discontinuation
- 1986-11-10 DK DK536386A patent/DK168953B1/da not_active IP Right Cessation
- 1986-11-13 AU AU65168/86A patent/AU596385B2/en not_active Expired
- 1986-11-17 IL IL80667A patent/IL80667A/xx not_active IP Right Cessation
- 1986-11-17 HU HU864740A patent/HU195218B/hu unknown
- 1986-11-18 PT PT83763A patent/PT83763B/pt unknown
- 1986-11-25 IE IE309486A patent/IE59344B1/en not_active IP Right Cessation
- 1986-12-03 NZ NZ218482A patent/NZ218482A/en unknown
- 1986-12-11 FI FI865058A patent/FI83321C/fi not_active IP Right Cessation
- 1986-12-16 CS CS869386A patent/CS277411B6/cs not_active IP Right Cessation
- 1986-12-16 CS CS903634A patent/CS277498B6/cs not_active IP Right Cessation
- 1986-12-17 NO NO865121A patent/NO163737C/no not_active IP Right Cessation
- 1986-12-18 PH PH34618A patent/PH25100A/en unknown
- 1986-12-26 JP JP61308969A patent/JPH0670053B2/ja not_active Expired - Fee Related
- 1986-12-30 DD DD86298773A patent/DD260068A5/de not_active IP Right Cessation
-
1987
- 1987-01-06 CA CA000526775A patent/CA1332837C/en not_active Expired - Fee Related
- 1987-01-30 RU SU874028879A patent/RU1771475C/ru active
- 1987-01-30 UA UA4028879A patent/UA13475A/uk unknown
- 1987-03-20 ZA ZA872072A patent/ZA872072B/xx unknown
-
1989
- 1989-10-03 US US07/416,629 patent/US5414002A/en not_active Expired - Lifetime
-
1991
- 1991-06-07 GR GR91400757T patent/GR3002085T3/el unknown
- 1991-07-30 UA UA5001115A patent/UA26390A/uk unknown
- 1991-07-30 RU SU915001115A patent/RU2034845C1/ru not_active IP Right Cessation
-
1992
- 1992-06-29 MX MX9203701A patent/MX9203701A/es unknown
-
1994
- 1994-05-18 US US08/245,278 patent/US5700808A/en not_active Expired - Fee Related
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| VZ | Disclaimer of patent (art. 11 and 12 extension act) |