SU578883A3 - Способ получени пиразолоизохинолинов или их солей - Google Patents
Способ получени пиразолоизохинолинов или их солейInfo
- Publication number
- SU578883A3 SU578883A3 SU7502191056A SU2191056A SU578883A3 SU 578883 A3 SU578883 A3 SU 578883A3 SU 7502191056 A SU7502191056 A SU 7502191056A SU 2191056 A SU2191056 A SU 2191056A SU 578883 A3 SU578883 A3 SU 578883A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- isoquinoline
- boiling
- dihydropyrazolo
- carboxylic acid
- formula
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 3
- 150000003839 salts Chemical class 0.000 title claims 3
- PGUJOAOYKQFMHB-UHFFFAOYSA-N 3h-pyrazolo[3,4-h]isoquinoline Chemical class C1=NC=C2C3=CNN=C3C=CC2=C1 PGUJOAOYKQFMHB-UHFFFAOYSA-N 0.000 title 1
- 238000009835 boiling Methods 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000002262 Schiff base Substances 0.000 claims description 4
- 150000004753 Schiff bases Chemical class 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003377 acid catalyst Substances 0.000 claims description 2
- 239000002585 base Substances 0.000 claims description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims 2
- HXUIDZOMTRMIOE-UHFFFAOYSA-M 3-oxo-3-phenylpropionate Chemical compound [O-]C(=O)CC(=O)C1=CC=CC=C1 HXUIDZOMTRMIOE-UHFFFAOYSA-M 0.000 claims 1
- RJQCSUWRABVKPI-UHFFFAOYSA-N 5,6-dihydropyrazolo[5,1-a]isoquinoline Chemical compound C12=CC=CC=C2CCN2C1=CC=N2 RJQCSUWRABVKPI-UHFFFAOYSA-N 0.000 claims 1
- UAMJFNYPMAUVKF-UHFFFAOYSA-N 5,6-dihydropyrazolo[5,1-a]isoquinoline-1-carboxylic acid Chemical compound C1=CC=C2C3=C(C(=O)O)C=NN3CCC2=C1 UAMJFNYPMAUVKF-UHFFFAOYSA-N 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 238000006114 decarboxylation reaction Methods 0.000 claims 1
- 239000012024 dehydrating agents Substances 0.000 claims 1
- 238000002474 experimental method Methods 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- XAAKCCMYRKZRAK-UHFFFAOYSA-N isoquinoline-1-carboxylic acid Chemical compound C1=CC=C2C(C(=O)O)=NC=CC2=C1 XAAKCCMYRKZRAK-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- -1 methoxybenzoyl Chemical group 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- IOEPOEDBBPRAEI-UHFFFAOYSA-N 1,2-dihydroisoquinoline Chemical compound C1=CC=C2CNC=CC2=C1 IOEPOEDBBPRAEI-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- HZNVUJQVZSTENZ-UHFFFAOYSA-N 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O HZNVUJQVZSTENZ-UHFFFAOYSA-N 0.000 description 1
- FGGIVEYWSNKLHX-UHFFFAOYSA-N 2-(3-methoxyphenyl)-5,6-dihydropyrazolo[5,1-a]isoquinoline Chemical compound COC1=CC=CC(C2=NN3CCC4=CC=CC=C4C3=C2)=C1 FGGIVEYWSNKLHX-UHFFFAOYSA-N 0.000 description 1
- HZARBXXUCFBRKF-UHFFFAOYSA-N 2-(3-methoxyphenyl)-5,6-dihydropyrazolo[5,1-a]isoquinoline-1-carboxylic acid Chemical compound COC1=CC=CC(C=2C(=C3C4=CC=CC=C4CCN3N=2)C(O)=O)=C1 HZARBXXUCFBRKF-UHFFFAOYSA-N 0.000 description 1
- XVKPSEFSSWWBOI-UHFFFAOYSA-N 2-(3-methoxyphenyl)pyrazolo[5,1-a]isoquinoline Chemical compound COC1=CC=CC(C2=NN3C=CC4=CC=CC=C4C3=C2)=C1 XVKPSEFSSWWBOI-UHFFFAOYSA-N 0.000 description 1
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 description 1
- IBJHYSYKPWYXOG-UHFFFAOYSA-N 2-phenyl-5,6-dihydropyrazolo[5,1-a]isoquinoline Chemical compound C1=C2C3=CC=CC=C3CCN2N=C1C1=CC=CC=C1 IBJHYSYKPWYXOG-UHFFFAOYSA-N 0.000 description 1
- QGFYFOHMBDMGBZ-UHFFFAOYSA-N 5-[(7-chloroquinolin-4-yl)amino]-2-(diethylaminomethyl)phenol Chemical compound C1=C(O)C(CN(CC)CC)=CC=C1NC1=CC=NC2=CC(Cl)=CC=C12 QGFYFOHMBDMGBZ-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- MJOQJPYNENPSSS-XQHKEYJVSA-N [(3r,4s,5r,6s)-4,5,6-triacetyloxyoxan-3-yl] acetate Chemical compound CC(=O)O[C@@H]1CO[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O MJOQJPYNENPSSS-XQHKEYJVSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- BRMYZIKAHFEUFJ-UHFFFAOYSA-L mercury diacetate Chemical compound CC(=O)O[Hg]OC(C)=O BRMYZIKAHFEUFJ-UHFFFAOYSA-L 0.000 description 1
- VBTQNRFWXBXZQR-UHFFFAOYSA-N n-bromoacetamide Chemical compound CC(=O)NBr VBTQNRFWXBXZQR-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/44—Iso-indoles; Hydrogenated iso-indoles
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Peptides Or Proteins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB50855/74A GB1484615A (en) | 1974-11-23 | 1974-11-23 | Tricyclic n-containing derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU578883A3 true SU578883A3 (ru) | 1977-10-30 |
Family
ID=10457662
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU7502191056A SU578883A3 (ru) | 1974-11-23 | 1975-11-21 | Способ получени пиразолоизохинолинов или их солей |
| SU7502191054A SU569290A3 (ru) | 1974-11-23 | 1975-11-21 | Способ получени имидазоизохинолинов или их солей |
| SU762391456A SU582764A3 (ru) | 1974-11-23 | 1976-08-30 | Способ получени производных имидазо (2,1-а) изохинолина |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU7502191054A SU569290A3 (ru) | 1974-11-23 | 1975-11-21 | Способ получени имидазоизохинолинов или их солей |
| SU762391456A SU582764A3 (ru) | 1974-11-23 | 1976-08-30 | Способ получени производных имидазо (2,1-а) изохинолина |
Country Status (25)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075343A (en) * | 1976-09-13 | 1978-02-21 | Pfizer Inc. | Anti-allergenic 5-alkoxyimidazo[1,2-A]quinoline-2-carboxylic acids and derivatives thereof |
| GR70248B (cg-RX-API-DMAC7.html) * | 1978-10-30 | 1982-09-01 | Lepetit Spa | |
| US4313950A (en) * | 1978-10-30 | 1982-02-02 | Gruppo Lepetit S.P.A. | Antireproductive tricyclic ortho-fused nitrogen containing compounds |
| ATE2269T1 (de) * | 1978-12-21 | 1983-02-15 | Gruppo Lepetit S.P.A. | 3h-naphtho(1,2-d)imidazole, verfahren zu deren herstellung, verbindungen zur verwendung als entzuendungshemmende und antimikrobielle mittel und sie enthaltende zusammensetzungen zu dieser verwendung. |
| US4644002A (en) * | 1979-02-09 | 1987-02-17 | Roussel Uclaf | Imidazo[2,1-C]quinolines, useful as antiallergic agents |
| IT1150955B (it) * | 1980-06-06 | 1986-12-17 | Lepetit Spa | Derivati 3h-naft(1.2-d)-imidazolici il procedimento per la loro preparazione, il loro uso come agenti antiinfiammatori e le composizioni farmaceutiche che li contengono |
| DE3314843A1 (de) * | 1983-04-23 | 1984-10-25 | Beiersdorf Ag, 2000 Hamburg | 1-amidino-2,3,3a,8-tetrahydro-1h-pyrazolo (5,1-a)isoindol, verfahren zu dessen herstellung, diese verbindung enthaltende zubereitungen und zwischenprodukte |
| GB8415540D0 (en) * | 1984-06-18 | 1984-07-25 | Fujisawa Pharmaceutical Co | Imidazoisoquinoline compounds |
| EP0607076A1 (fr) * | 1993-01-15 | 1994-07-20 | Synthelabo | Dérivés de 9h-imidazo 1,2-a benzimidazole-3-acétamide à activité GABA |
| WO1996025411A1 (en) * | 1995-02-15 | 1996-08-22 | Neurogen Corporation | Certain bridged 4-phenyl-2-aminomethylimidazoles; new dopamine receptor subtype specific ligands |
| US5948912A (en) * | 1995-02-15 | 1999-09-07 | Neurogen Corporation | Certain bridged 4-phenyl-2-aminomethylimidazoles; new dopamine receptor subtype specific ligands |
| TW416953B (en) * | 1996-09-25 | 2001-01-01 | Takeda Chemical Industries Ltd | Tricyclic compounds for eliciting a prostaglandin I2 receptor agonistic effect, their production and use |
| RU2270192C2 (ru) * | 2001-04-19 | 2006-02-20 | Эйсай Ко., Лтд. | Производные 2-иминопирролидина |
| EP1403256A4 (en) * | 2001-06-05 | 2004-10-20 | Fujisawa Pharmaceutical Co | CONDENSED IMIDAZOLE DERIVATIVES |
| EP1602646A4 (en) * | 2003-02-19 | 2010-07-28 | Eisai R&D Man Co Ltd | PROCESS FOR PREPARING CYCLIC BENZAMIDINE DERIVATIVES |
| WO2006033943A2 (en) * | 2004-09-17 | 2006-03-30 | Exelixis, Inc | Pyrazole kinase modulators and methods of use |
| US11142504B2 (en) | 2016-03-07 | 2021-10-12 | Northwestern University | Substituted heterocycles as c-MYC targeting agents |
| WO2017155942A2 (en) * | 2016-03-07 | 2017-09-14 | Northwestern University | Substituted heterocycles as c-myc targeting agents |
| WO2020257261A1 (en) | 2019-06-17 | 2020-12-24 | Northwestern University | SUBSTITUTED HETEROCYCLES AS c-MYC TARGETING AGENTS |
| CN110294758B (zh) * | 2019-07-06 | 2021-10-22 | 湘潭大学 | 2-取代5，6-二氢吡唑并[5，1-α]异喹啉、衍生物及其合成方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244501A (en) * | 1968-03-09 | 1971-09-02 | Aspro Nicholas Ltd | Heterocyclic amines |
| GB1347493A (en) * | 1971-02-11 | 1974-02-27 | Aspro Nicholas Ltd | Benzazine derivatives |
-
1974
- 1974-11-23 GB GB50855/74A patent/GB1484615A/en not_active Expired
-
1975
- 1975-10-27 IN IN2064/CAL/75A patent/IN142014B/en unknown
- 1975-10-27 IN IN2063/CAL/1975A patent/IN141710B/en unknown
- 1975-10-28 ZA ZA00756792A patent/ZA756792B/xx unknown
- 1975-10-30 GR GR49241A patent/GR58292B/el unknown
- 1975-10-30 GR GR49242A patent/GR58293B/el unknown
- 1975-10-31 FI FI753045A patent/FI58918C/fi not_active IP Right Cessation
- 1975-10-31 FI FI753046A patent/FI58919C/fi not_active IP Right Cessation
- 1975-10-31 IL IL48389A patent/IL48389A/xx unknown
- 1975-11-03 NL NL7512848.A patent/NL165741C/xx not_active IP Right Cessation
- 1975-11-06 US US05/629,339 patent/US4075342A/en not_active Expired - Lifetime
- 1975-11-17 NO NO753853A patent/NO143577C/no unknown
- 1975-11-17 NO NO753854A patent/NO143578C/no unknown
- 1975-11-18 YU YU2927/75A patent/YU37328B/xx unknown
- 1975-11-19 DE DE2551868A patent/DE2551868C2/de not_active Expired
- 1975-11-20 AT AT884675A patent/AT346332B/de not_active IP Right Cessation
- 1975-11-20 AT AT884575A patent/AT344176B/de active
- 1975-11-20 DK DK522275A patent/DK522275A/da not_active Application Discontinuation
- 1975-11-20 DK DK522175A patent/DK152756C/da not_active IP Right Cessation
- 1975-11-21 CH CH1514575A patent/CH614444A5/xx not_active IP Right Cessation
- 1975-11-21 JP JP14010775A patent/JPS5516513B2/ja not_active Expired
- 1975-11-21 CA CA240,175A patent/CA1068273A/en not_active Expired
- 1975-11-21 LU LU73849A patent/LU73849A1/xx unknown
- 1975-11-21 AR AR261307A patent/AR210476A1/es active
- 1975-11-21 ES ES442863A patent/ES442863A1/es not_active Expired
- 1975-11-21 CH CH1514475A patent/CH614208A5/xx not_active IP Right Cessation
- 1975-11-21 AR AR261306A patent/AR209459A1/es active
- 1975-11-21 SU SU7502191056A patent/SU578883A3/ru active
- 1975-11-21 LU LU73850A patent/LU73850A1/xx unknown
- 1975-11-21 IE IE2541/75A patent/IE43567B1/en unknown
- 1975-11-21 DD DD189609A patent/DD122818A5/xx unknown
- 1975-11-21 DD DD189610A patent/DD122819A5/xx unknown
- 1975-11-21 BE BE162093A patent/BE835836A/xx not_active IP Right Cessation
- 1975-11-21 SU SU7502191054A patent/SU569290A3/ru active
- 1975-11-21 SE SE7513137A patent/SE421619B/xx not_active IP Right Cessation
- 1975-11-21 FR FR7535716A patent/FR2291747A1/fr active Granted
- 1975-11-21 ES ES442864A patent/ES442864A1/es not_active Expired
- 1975-11-21 CA CA240,176A patent/CA1068274A/en not_active Expired
- 1975-11-21 SE SE7513138A patent/SE421620B/xx unknown
-
1976
- 1976-08-30 SU SU762391456A patent/SU582764A3/ru active
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