CA1074324A - Process for the preparation of new 2,3-dihydro-imidazo (2,1-b)-thiazole derivatives - Google Patents
Process for the preparation of new 2,3-dihydro-imidazo (2,1-b)-thiazole derivativesInfo
- Publication number
- CA1074324A CA1074324A CA273,239A CA273239A CA1074324A CA 1074324 A CA1074324 A CA 1074324A CA 273239 A CA273239 A CA 273239A CA 1074324 A CA1074324 A CA 1074324A
- Authority
- CA
- Canada
- Prior art keywords
- group
- formula
- hydrogen
- phenyl
- halogen atom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 11
- LCCQUAVRRQQTLG-UHFFFAOYSA-N 2,3-dihydroimidazo[2,1-b][1,3]thiazole Chemical class C1=CN=C2SCCN21 LCCQUAVRRQQTLG-UHFFFAOYSA-N 0.000 title claims abstract 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 21
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 20
- 125000005843 halogen group Chemical group 0.000 claims abstract description 16
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 12
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 8
- 150000002576 ketones Chemical class 0.000 claims abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 4
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims abstract 9
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims abstract 6
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims abstract 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 34
- 150000001875 compounds Chemical class 0.000 claims description 23
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 18
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- REGFWZVTTFGQOJ-UHFFFAOYSA-N 4,5-dihydro-1,3-thiazol-2-amine Chemical compound NC1=NCCS1 REGFWZVTTFGQOJ-UHFFFAOYSA-N 0.000 claims 1
- 229960001701 chloroform Drugs 0.000 claims 1
- CBDKQYKMCICBOF-UHFFFAOYSA-N thiazoline Chemical compound C1CN=CS1 CBDKQYKMCICBOF-UHFFFAOYSA-N 0.000 abstract description 10
- 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 abstract description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 17
- 239000000243 solution Substances 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 241000700159 Rattus Species 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 230000000202 analgesic effect Effects 0.000 description 6
- 230000003110 anti-inflammatory effect Effects 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- 241001465754 Metazoa Species 0.000 description 4
- 241000699670 Mus sp. Species 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 125000004172 4-methoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C([H])C([H])=C1* 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000000068 chlorophenyl group Chemical group 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000003414 extremity Anatomy 0.000 description 3
- 238000003760 magnetic stirring Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- -1 triethylamine salts Chemical class 0.000 description 3
- HFGZAFLTGKSAIS-UHFFFAOYSA-N 4,5-dihydro-1,3-thiazol-3-ium;chloride Chemical compound Cl.C1CN=CS1 HFGZAFLTGKSAIS-UHFFFAOYSA-N 0.000 description 2
- 241000700198 Cavia Species 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 206010015150 Erythema Diseases 0.000 description 2
- 206010018691 Granuloma Diseases 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 206010003246 arthritis Diseases 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 231100000321 erythema Toxicity 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 230000000144 pharmacologic effect Effects 0.000 description 2
- 229960002895 phenylbutazone Drugs 0.000 description 2
- VYMDGNCVAMGZFE-UHFFFAOYSA-N phenylbutazonum Chemical compound O=C1C(CCCC)C(=O)N(C=2C=CC=CC=2)N1C1=CC=CC=C1 VYMDGNCVAMGZFE-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000012925 reference material Substances 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- 235000011152 sodium sulphate Nutrition 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- QWPKJGJJMQHNPQ-UHFFFAOYSA-N 4,5-dihydro-1,3-thiazol-2-amine;hydrobromide Chemical compound Br.NC1=NCCS1 QWPKJGJJMQHNPQ-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 241000186359 Mycobacterium Species 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 206010036030 Polyarthritis Diseases 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229940124339 anthelmintic agent Drugs 0.000 description 1
- 239000000921 anthelmintic agent Substances 0.000 description 1
- 230000001754 anti-pyretic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 231100000132 chronic toxicity testing Toxicity 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- PSLIMVZEAPALCD-UHFFFAOYSA-N ethanol;ethoxyethane Chemical compound CCO.CCOCC PSLIMVZEAPALCD-UHFFFAOYSA-N 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007928 intraperitoneal injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- GPKUICFDWYEPTK-UHFFFAOYSA-N methoxycyclohexatriene Chemical group COC1=CC=C=C[CH]1 GPKUICFDWYEPTK-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 208000030428 polyarticular arthritis Diseases 0.000 description 1
- 150000003254 radicals Chemical group 0.000 description 1
- IOVGROKTTNBUGK-SJCJKPOMSA-N ritodrine Chemical compound N([C@@H](C)[C@H](O)C=1C=CC(O)=CC=1)CCC1=CC=C(O)C=C1 IOVGROKTTNBUGK-SJCJKPOMSA-N 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000007929 subcutaneous injection Substances 0.000 description 1
- 238000010254 subcutaneous injection Methods 0.000 description 1
- FKHIFSZMMVMEQY-UHFFFAOYSA-N talc Chemical compound [Mg+2].[O-][Si]([O-])=O FKHIFSZMMVMEQY-UHFFFAOYSA-N 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 230000001562 ulcerogenic effect Effects 0.000 description 1
- 208000009935 visceral pain Diseases 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
- C07D513/04—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
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- 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]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Pain & Pain Management (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurosurgery (AREA)
- Neurology (AREA)
- Rheumatology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9517/76A GB1541321A (en) | 1976-03-10 | 1976-03-10 | 2,3-dihydroimidazo(2,1-b)thiazole derivatives and process for their preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1074324A true CA1074324A (en) | 1980-03-25 |
Family
ID=9873507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA273,239A Expired CA1074324A (en) | 1976-03-10 | 1977-03-04 | Process for the preparation of new 2,3-dihydro-imidazo (2,1-b)-thiazole derivatives |
Country Status (28)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4204067A (en) * | 1976-09-24 | 1980-05-20 | Adhikary Parimal K | Derivatives of imidazo[2,1-b] thiazole |
| US4263311A (en) * | 1976-09-27 | 1981-04-21 | Smithkline Corporation | 5,6-Phenyl-2,3-dihydroimidazo [2,1-b] thiazoles |
| LU77703A1 (de) * | 1977-07-07 | 1979-03-26 | Ciba Geigy Ag | Verfahren zur herstellung von bicyclischen thia-diaza-verbindungen |
| US4153706A (en) | 1978-02-13 | 1979-05-08 | Smithkline Corporation | 6-Hydroxy-5,6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazoles |
| US4175127A (en) * | 1978-09-27 | 1979-11-20 | Smithkline Corporation | Pyridyl substituted 2,3-dihydroimidazo[2,1-b]thiazoles |
| PL221188A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1979-01-05 | 1980-12-01 | Ciba Geigy Ag | |
| US4364942A (en) * | 1979-06-21 | 1982-12-21 | Janssen Pharmaceutica N.V. | 2,3-Dihydro-imidazo (2,1-b)benzothiazoles compositions useful as anti-parkinsonism agents |
| FR2463774A1 (fr) * | 1979-08-21 | 1981-02-27 | Yamanouchi Pharma Co Ltd | Derives du 2-phenylimidazo(2,1-b)benzothiazole |
| FR2479831A1 (fr) * | 1980-04-08 | 1981-10-09 | Synthelabo | Derives de thiazole, leur preparation et leur application en therapeutique |
| US4327221A (en) * | 1980-10-15 | 1982-04-27 | American Home Products Corporation | 2-Substituted-3-hydroxythiazolo(2,3-8)-thiazolium salts and mesoionic didehydro derivatives thereof |
| US4719218A (en) * | 1985-12-12 | 1988-01-12 | Smithkline Beckman Corporation | Pyrrolo[1,2-a]imidazole and pyrrolo[1,2-a]pyridine derivatives and their use as 5-lipoxygenase pathway inhibitor |
| ZW24186A1 (en) * | 1985-12-12 | 1987-07-08 | Smithkline Beckman Corp | Inhibition of the 5-lipoxygenase pathway |
| US4751310A (en) * | 1985-12-12 | 1988-06-14 | Smithkline Beckman Corporation | Inhibition of the 5-lipoxygenase pathway |
| US5145858A (en) * | 1985-12-12 | 1992-09-08 | Smithkline Beecham Corp. | Pyrrolo [1,2-a] imidazole and imidazo [1,2a] pyridine derivatives and their use as 5-lipoxygenase pathway inhibitors |
| US5002941A (en) * | 1985-12-12 | 1991-03-26 | Smithkline Beecham Corporation | Pyrrolo(1,2-a)imidazole and imidazo(1,2-a)pyridine derivatives and their use as 5-lipoxygenase pathway inhibitors |
| US5134150A (en) * | 1985-12-12 | 1992-07-28 | Smithkline Beecham Corporation | Inhibition of the 5-lipoxygenase pathway |
| US4794114A (en) * | 1986-08-19 | 1988-12-27 | Smithkline Beckman Corporation | Inhibition of interleukin-1 production by monocytes and/or macrophages |
| US5630014A (en) * | 1993-10-27 | 1997-05-13 | Nec Corporation | Gain controller with automatic adjustment using integration energy values |
| US6127387A (en) * | 1996-12-10 | 2000-10-03 | Thomas Jefferson University | Use of CD4-binding small molecules to inhibit immune responses |
| WO2007034282A2 (en) * | 2005-09-19 | 2007-03-29 | Pfizer Products Inc. | Diaryl-imidazole compounds condensed with a heterocycle as c3a receptor antagonists |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL131034C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1964-05-11 | |||
| US3455924A (en) * | 1967-02-08 | 1969-07-15 | Upjohn Co | Dianisylimidazoles |
| NL164285C (nl) * | 1968-01-09 | 1980-12-15 | Rhone Poulenc Sa | Werkwijze ter bereiding van een farmaceutisch preparaat, dat een imidazoÿ2.1-bÿthiazoolderivaat bevat, de gevormde farmaceutische preparaten, alsmede werkwijze voor het bereiden van dit imidazoÿ2.1-bÿthiazoolderivaat. |
-
1976
- 1976-03-10 GB GB9517/76A patent/GB1541321A/en not_active Expired
-
1977
- 1977-03-02 IL IL51581A patent/IL51581A/xx unknown
- 1977-03-02 CH CH259777A patent/CH598267A5/xx not_active IP Right Cessation
- 1977-03-02 LU LU76879A patent/LU76879A1/xx unknown
- 1977-03-03 IE IE467/77A patent/IE44280B1/en unknown
- 1977-03-04 CA CA273,239A patent/CA1074324A/en not_active Expired
- 1977-03-04 FR FR7706434A patent/FR2343748A1/fr active Granted
- 1977-03-04 US US05/774,497 patent/US4110460A/en not_active Expired - Lifetime
- 1977-03-04 ZA ZA00771303A patent/ZA771303B/xx unknown
- 1977-03-05 DE DE19772709639 patent/DE2709639A1/de not_active Withdrawn
- 1977-03-07 ES ES456575A patent/ES456575A1/es not_active Expired
- 1977-03-07 NL NL7702446A patent/NL7702446A/xx not_active Application Discontinuation
- 1977-03-07 SE SE7702503A patent/SE431653B/xx unknown
- 1977-03-08 PT PT66278A patent/PT66278B/pt unknown
- 1977-03-08 BG BG035610A patent/BG28262A3/xx unknown
- 1977-03-08 YU YU00619/77A patent/YU61977A/xx unknown
- 1977-03-09 CS CS771589A patent/CS190341B2/cs unknown
- 1977-03-09 PL PL1977196539A patent/PL102603B1/pl unknown
- 1977-03-09 BE BE175621A patent/BE852259A/xx not_active IP Right Cessation
- 1977-03-09 HU HU77ME00002049A patent/HU172685B/hu unknown
- 1977-03-09 RO RO7789635A patent/RO71301A/ro unknown
- 1977-03-09 DK DK104677A patent/DK144702C/da not_active IP Right Cessation
- 1977-03-09 FI FI770759A patent/FI62313C/fi not_active IP Right Cessation
- 1977-03-09 NO NO770841A patent/NO150884C/no unknown
- 1977-03-10 AU AU23156/77A patent/AU503912B2/en not_active Expired
- 1977-03-10 JP JP52026581A patent/JPS5927357B2/ja not_active Expired
- 1977-03-10 AT AT164477A patent/AT352716B/de not_active IP Right Cessation
- 1977-03-10 SU SU772459651A patent/SU629882A3/ru active
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