SU628820A3 - Способ получени производных 4,5,6,7-тетрагидротиено(2,3-с) пиридина - Google Patents
Способ получени производных 4,5,6,7-тетрагидротиено(2,3-с) пиридинаInfo
- Publication number
- SU628820A3 SU628820A3 SU762367256A SU2367256A SU628820A3 SU 628820 A3 SU628820 A3 SU 628820A3 SU 762367256 A SU762367256 A SU 762367256A SU 2367256 A SU2367256 A SU 2367256A SU 628820 A3 SU628820 A3 SU 628820A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- pyridine
- tetrahydrothieno
- mol
- hydrochloride
- ether
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 5
- HXNOEHIMWZDRTK-UHFFFAOYSA-N 4,5,6,7-tetrahydrothieno[2,3-c]pyridine Chemical class C1NCCC2=C1SC=C2 HXNOEHIMWZDRTK-UHFFFAOYSA-N 0.000 title 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 29
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 21
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 13
- -1 pyridine bromide compound Chemical class 0.000 description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 10
- 239000013078 crystal Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 6
- 239000012279 sodium borohydride Substances 0.000 description 6
- 229910000033 sodium borohydride Inorganic materials 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 description 5
- 235000011152 sodium sulphate Nutrition 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 125000005806 3,4,5-trimethoxybenzyl group Chemical group [H]C1=C(OC([H])([H])[H])C(OC([H])([H])[H])=C(OC([H])([H])[H])C([H])=C1C([H])([H])* 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- AOJFQRQNPXYVLM-UHFFFAOYSA-N pyridin-1-ium;chloride Chemical compound [Cl-].C1=CC=[NH+]C=C1 AOJFQRQNPXYVLM-UHFFFAOYSA-N 0.000 description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 description 2
- PBLNBZIONSLZBU-UHFFFAOYSA-N 1-bromododecane Chemical compound CCCCCCCCCCCCBr PBLNBZIONSLZBU-UHFFFAOYSA-N 0.000 description 1
- MQTKXCOGYOYAMW-UHFFFAOYSA-N 2-chloro-5-(chloromethyl)thiophene Chemical compound ClCC1=CC=C(Cl)S1 MQTKXCOGYOYAMW-UHFFFAOYSA-N 0.000 description 1
- 125000006283 4-chlorobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1Cl)C([H])([H])* 0.000 description 1
- XXRUQNNAKXZSOS-UHFFFAOYSA-N 5-(chloromethyl)-1,2,3-trimethoxybenzene Chemical compound COC1=CC(CCl)=CC(OC)=C1OC XXRUQNNAKXZSOS-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- LJQKCYFTNDAAPC-UHFFFAOYSA-N ethanol;ethyl acetate Chemical compound CCO.CCOC(C)=O LJQKCYFTNDAAPC-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- XDVXNTGPQFPRJY-UHFFFAOYSA-N propan-1-ol;2-propan-2-yloxypropane Chemical compound CCCO.CC(C)OC(C)C XDVXNTGPQFPRJY-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- BBFCIBZLAVOLCF-UHFFFAOYSA-N pyridin-1-ium;bromide Chemical compound Br.C1=CC=NC=C1 BBFCIBZLAVOLCF-UHFFFAOYSA-N 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- 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
- A61P9/06—Antiarrhythmics
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Diabetes (AREA)
- Hematology (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7520241A FR2315274A1 (fr) | 1975-06-27 | 1975-06-27 | Nouveaux derives de la thieno (2,3-c) pyridine, leur preparation et leurs applications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU628820A3 true SU628820A3 (ru) | 1978-10-15 |
Family
ID=9157178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU762367256A SU628820A3 (ru) | 1975-06-27 | 1976-06-14 | Способ получени производных 4,5,6,7-тетрагидротиено(2,3-с) пиридина |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US4075340A (enExample) |
| JP (1) | JPS607633B2 (enExample) |
| AR (1) | AR211777A1 (enExample) |
| AT (1) | AT347950B (enExample) |
| BE (1) | BE843402A (enExample) |
| CA (1) | CA1071635A (enExample) |
| CH (1) | CH596169A5 (enExample) |
| DD (1) | DD125080A5 (enExample) |
| DE (1) | DE2628045A1 (enExample) |
| DK (1) | DK279976A (enExample) |
| ES (1) | ES449191A1 (enExample) |
| FR (1) | FR2315274A1 (enExample) |
| GB (1) | GB1492239A (enExample) |
| GR (1) | GR60042B (enExample) |
| HU (1) | HU172697B (enExample) |
| IE (1) | IE43915B1 (enExample) |
| IL (1) | IL49702A (enExample) |
| LU (1) | LU75230A1 (enExample) |
| MX (1) | MX3565E (enExample) |
| NL (1) | NL183032C (enExample) |
| PL (1) | PL105962B1 (enExample) |
| PT (1) | PT65271B (enExample) |
| SE (1) | SE421698B (enExample) |
| SU (1) | SU628820A3 (enExample) |
| YU (1) | YU39480B (enExample) |
| ZA (1) | ZA763270B (enExample) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127580A (en) * | 1975-02-07 | 1978-11-28 | Parcor | Process for the preparation of thieno-pyridine derivatives |
| FR2395271A1 (fr) * | 1977-06-21 | 1979-01-19 | Parcor | Procede de preparation de thieno (2,3-c) et thieno (3,2-c) pyridines |
| US4749692A (en) * | 1977-06-22 | 1988-06-07 | Sanofi, S.A. | Therapeutic compositions having anti-thrombotic and anti-blood-platelet-aggregating activity |
| GB2038625B (en) * | 1978-12-29 | 1983-01-12 | Parcor | Therapeutic composition having an antithrombotic and antiblood-platelet-aggregating activity |
| FR2397417A1 (fr) * | 1977-07-12 | 1979-02-09 | Parcor | Procede de preparation de derives de la thienopyridine |
| AT368504B (de) * | 1977-10-15 | 1982-10-25 | Boehringer Sohn Ingelheim | Verfahren zur herstellung neuer 4-phenyl-thieno- (2,3-c)-piperidine |
| US4321266A (en) * | 1980-10-06 | 1982-03-23 | Sanofi | 5-o-Cyanobenzyl-4,5,6,7-tetrahydrothieno [3,2-C] pyridine |
| FR2508453A1 (fr) * | 1981-06-30 | 1982-12-31 | Sanofi Sa | Procede de preparation de derives des (thienyl-2)- et thienyl-3)-2 ethylamines et produits ainsi obtenus |
| US4547514A (en) * | 1983-12-05 | 1985-10-15 | A. H. Robins Company, Incorporated | Aryloxy-N-(aminoalkyl)-1-pyrrolidine and piperidine carboxamides and carbothioamides having antiarrhythmic activity |
| DE3736664A1 (de) * | 1987-10-29 | 1989-05-11 | Boehringer Ingelheim Kg | Tetrahydro-furo- und -thieno(2,3-c)pyridine, ihre verwendung als arzneimittel und verfahren zu ihrer herstellung |
| US5294621A (en) * | 1992-10-07 | 1994-03-15 | Ortho Pharmaceutical Corporation | Thieno tetrahydropyridines useful as class III antiarrhythmic agents |
| WO2000000472A1 (en) | 1998-06-30 | 2000-01-06 | Du Pont Pharmaceuticals Company | 5-ht7 receptor antagonists |
| WO2000014090A1 (en) * | 1998-09-02 | 2000-03-16 | Novo Nordisk A/S | 4,5,6,7-tetrahydro-thieno[2,3-c]pyridine derivatives |
| US6090797A (en) * | 1998-09-02 | 2000-07-18 | Novo Nordisk A/S | 4,5,6,7-tetrahydro-thieno(2,3-C)pyridine derivatives |
| US8914114B2 (en) | 2000-05-23 | 2014-12-16 | The Feinstein Institute For Medical Research | Inhibition of inflammatory cytokine production by cholinergic agonists and vagus nerve stimulation |
| AU2003217747A1 (en) * | 2002-02-26 | 2003-09-09 | North Shore-Long Island Jewish Research Insitute | Inhibition of inflammatory cytokine production by stimulation of brain muscarinic receptors |
| CA2560756A1 (en) | 2004-03-25 | 2005-10-06 | The Feinstein Institute For Medical Research | Methods and devices for reducing bleed time using vagus nerve stimulation |
| US10912712B2 (en) | 2004-03-25 | 2021-02-09 | The Feinstein Institutes For Medical Research | Treatment of bleeding by non-invasive stimulation |
| US11207518B2 (en) | 2004-12-27 | 2021-12-28 | The Feinstein Institutes For Medical Research | Treating inflammatory disorders by stimulation of the cholinergic anti-inflammatory pathway |
| AU2005323463B2 (en) | 2004-12-27 | 2009-11-19 | The Feinstein Institutes For Medical Research | Treating inflammatory disorders by electrical vagus nerve stimulation |
| WO2009029614A1 (en) | 2007-08-27 | 2009-03-05 | The Feinstein Institute For Medical Research | Devices and methods for inhibiting granulocyte activation by neural stimulation |
| US9662490B2 (en) | 2008-03-31 | 2017-05-30 | The Feinstein Institute For Medical Research | Methods and systems for reducing inflammation by neuromodulation and administration of an anti-inflammatory drug |
| WO2009146030A1 (en) | 2008-03-31 | 2009-12-03 | The Feinstein Institute For Medical Research | Methods and systems for reducing inflammation by neuromodulation of t-cell activity |
| US8412338B2 (en) | 2008-11-18 | 2013-04-02 | Setpoint Medical Corporation | Devices and methods for optimizing electrode placement for anti-inflamatory stimulation |
| US8996116B2 (en) | 2009-10-30 | 2015-03-31 | Setpoint Medical Corporation | Modulation of the cholinergic anti-inflammatory pathway to treat pain or addiction |
| US9211410B2 (en) | 2009-05-01 | 2015-12-15 | Setpoint Medical Corporation | Extremely low duty-cycle activation of the cholinergic anti-inflammatory pathway to treat chronic inflammation |
| CN102573986B (zh) | 2009-06-09 | 2016-01-20 | 赛博恩特医疗器械公司 | 用于无导线刺激器的具有袋部的神经封套 |
| WO2014169145A1 (en) | 2013-04-10 | 2014-10-16 | Setpoint Medical Corporation | Closed-loop vagus nerve stimulation |
| US9833621B2 (en) | 2011-09-23 | 2017-12-05 | Setpoint Medical Corporation | Modulation of sirtuins by vagus nerve stimulation |
| EP2515996B1 (en) | 2009-12-23 | 2019-09-18 | Setpoint Medical Corporation | Neural stimulation devices and systems for treatment of chronic inflammation |
| EP2707094B1 (en) | 2011-05-09 | 2016-02-03 | Setpoint Medical Corporation | Single-pulse activation of the cholinergic anti-inflammatory pathway to treat chronic inflammation |
| US12172017B2 (en) | 2011-05-09 | 2024-12-24 | Setpoint Medical Corporation | Vagus nerve stimulation to treat neurodegenerative disorders |
| AU2013235487B2 (en) | 2012-03-23 | 2017-09-07 | Memorial Sloan-Kettering Cancer Center | Treatment of pancreatic and related cancers with 5-acyl-6,7-dihydrothieno[3,2-c]pyridines |
| US9572983B2 (en) | 2012-03-26 | 2017-02-21 | Setpoint Medical Corporation | Devices and methods for modulation of bone erosion |
| US10011585B2 (en) | 2014-07-28 | 2018-07-03 | Merck Sharp & Dohme Corp. | Factor XIa inhibitors |
| US11311725B2 (en) | 2014-10-24 | 2022-04-26 | Setpoint Medical Corporation | Systems and methods for stimulating and/or monitoring loci in the brain to treat inflammation and to enhance vagus nerve stimulation |
| US11406833B2 (en) | 2015-02-03 | 2022-08-09 | Setpoint Medical Corporation | Apparatus and method for reminding, prompting, or alerting a patient with an implanted stimulator |
| US10596367B2 (en) | 2016-01-13 | 2020-03-24 | Setpoint Medical Corporation | Systems and methods for establishing a nerve block |
| WO2017127756A1 (en) | 2016-01-20 | 2017-07-27 | Setpoint Medical Corporation | Control of vagal stimulation |
| US11471681B2 (en) | 2016-01-20 | 2022-10-18 | Setpoint Medical Corporation | Batteryless implantable microstimulators |
| WO2017127758A1 (en) | 2016-01-20 | 2017-07-27 | Setpoint Medical Corporation | Implantable microstimulators and inductive charging systems |
| US10583304B2 (en) | 2016-01-25 | 2020-03-10 | Setpoint Medical Corporation | Implantable neurostimulator having power control and thermal regulation and methods of use |
| WO2019036470A1 (en) | 2017-08-14 | 2019-02-21 | Setpoint Medical Corporation | TESTING TEST FOR STIMULATION OF NERVE WAVE |
| US11260229B2 (en) | 2018-09-25 | 2022-03-01 | The Feinstein Institutes For Medical Research | Methods and apparatuses for reducing bleeding via coordinated trigeminal and vagal nerve stimulation |
| AU2020272128B9 (en) | 2019-04-12 | 2025-11-20 | Setpoint Medical Corporation | Vagus nerve stimulation to treat neurodegenerative disorders |
| IL298193B2 (en) | 2020-05-21 | 2024-01-01 | Feinstein Institutes For Medical Research | Systems and methods for vagus nerve stimulation |
| US12444497B2 (en) | 2021-05-17 | 2025-10-14 | Setpoint Medical Corporation | Neurostimulation parameter authentication and expiration system for neurostimulation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2215948B1 (enExample) * | 1973-02-01 | 1976-05-14 | Centre Etd Ind Pharma |
-
1975
- 1975-06-27 FR FR7520241A patent/FR2315274A1/fr active Granted
-
1976
- 1976-05-17 CH CH612276A patent/CH596169A5/xx not_active IP Right Cessation
- 1976-05-31 IE IE1149/76A patent/IE43915B1/en unknown
- 1976-06-01 GR GR50863A patent/GR60042B/el unknown
- 1976-06-01 IL IL49702A patent/IL49702A/xx unknown
- 1976-06-02 US US05/692,186 patent/US4075340A/en not_active Expired - Lifetime
- 1976-06-02 ZA ZA763270A patent/ZA763270B/xx unknown
- 1976-06-14 SU SU762367256A patent/SU628820A3/ru active
- 1976-06-15 YU YU1462/76A patent/YU39480B/xx unknown
- 1976-06-17 NL NLAANVRAGE7606574,A patent/NL183032C/xx not_active IP Right Cessation
- 1976-06-21 CA CA255,299A patent/CA1071635A/en not_active Expired
- 1976-06-22 DK DK279976A patent/DK279976A/da unknown
- 1976-06-23 SE SE7607201A patent/SE421698B/xx not_active IP Right Cessation
- 1976-06-23 DE DE19762628045 patent/DE2628045A1/de not_active Ceased
- 1976-06-24 AT AT461776A patent/AT347950B/de not_active IP Right Cessation
- 1976-06-24 PT PT65271A patent/PT65271B/pt unknown
- 1976-06-24 AR AR263737A patent/AR211777A1/es active
- 1976-06-24 LU LU75230A patent/LU75230A1/xx unknown
- 1976-06-25 GB GB26591/76A patent/GB1492239A/en not_active Expired
- 1976-06-25 ES ES449191A patent/ES449191A1/es not_active Expired
- 1976-06-25 MX MX76799U patent/MX3565E/es unknown
- 1976-06-25 BE BE168304A patent/BE843402A/xx not_active IP Right Cessation
- 1976-06-25 HU HU76PA00001254A patent/HU172697B/hu not_active IP Right Cessation
- 1976-06-25 DD DD193581A patent/DD125080A5/xx unknown
- 1976-06-26 JP JP51075943A patent/JPS607633B2/ja not_active Expired
- 1976-06-26 PL PL1976190741A patent/PL105962B1/pl unknown
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