GB1586709A - C3-carboxamido derivatives of vinblastine and alkaloids - Google Patents
C3-carboxamido derivatives of vinblastine and alkaloids Download PDFInfo
- Publication number
- GB1586709A GB1586709A GB36691/77A GB3669177A GB1586709A GB 1586709 A GB1586709 A GB 1586709A GB 36691/77 A GB36691/77 A GB 36691/77A GB 3669177 A GB3669177 A GB 3669177A GB 1586709 A GB1586709 A GB 1586709A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formula
- carboxamide
- vlb
- desacetyl
- desacetyl vlb
- 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
- JXLYSJRDGCGARV-WWYNWVTFSA-N Vinblastine Natural products O=C(O[C@H]1[C@](O)(C(=O)OC)[C@@H]2N(C)c3c(cc(c(OC)c3)[C@]3(C(=O)OC)c4[nH]c5c(c4CCN4C[C@](O)(CC)C[C@H](C3)C4)cccc5)[C@@]32[C@H]2[C@@]1(CC)C=CCN2CC3)C JXLYSJRDGCGARV-WWYNWVTFSA-N 0.000 title description 111
- 229960003048 vinblastine Drugs 0.000 title description 7
- 229930013930 alkaloid Natural products 0.000 title description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 51
- 150000003839 salts Chemical class 0.000 claims abstract description 37
- 150000001412 amines Chemical class 0.000 claims abstract description 10
- ZNAHFSQAXSOVLF-UHFFFAOYSA-N 2,3-dihydro-1h-indole-2-carboxamide;1h-indole Chemical compound C1=CC=C2NC=CC2=C1.C1=CC=C2NC(C(=O)N)CC2=C1 ZNAHFSQAXSOVLF-UHFFFAOYSA-N 0.000 claims abstract description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 51
- -1 N - (2 - stearoyloxyethyl)carboxamide Chemical compound 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 31
- 239000002253 acid Substances 0.000 claims description 25
- 206010028980 Neoplasm Diseases 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 150000003857 carboxamides Chemical class 0.000 claims description 17
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 11
- 229940079593 drug Drugs 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- GDENSQSVDRFGSZ-UHFFFAOYSA-N n-(2-sulfanylethyl)formamide Chemical compound SCCNC=O GDENSQSVDRFGSZ-UHFFFAOYSA-N 0.000 claims description 8
- UKTNDLHXQNQKBH-UHFFFAOYSA-N 2,3-dihydro-1h-indole;1h-indole Chemical compound C1=CC=C2NCCC2=C1.C1=CC=C2NC=CC2=C1 UKTNDLHXQNQKBH-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 claims description 5
- 241000124008 Mammalia Species 0.000 claims description 5
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 231100000252 nontoxic Toxicity 0.000 claims description 5
- 230000003000 nontoxic effect Effects 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- UFULAYFCSOUIOV-UHFFFAOYSA-N cysteamine Chemical compound NCCS UFULAYFCSOUIOV-UHFFFAOYSA-N 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 4
- 125000004434 sulfur atom Chemical group 0.000 claims description 4
- 231100000419 toxicity Toxicity 0.000 claims description 4
- 230000001988 toxicity Effects 0.000 claims description 4
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 claims description 3
- PYXDKYYHNBADTF-UHFFFAOYSA-N 2-formamidoethyl acetate Chemical compound CC(=O)OCCNC=O PYXDKYYHNBADTF-UHFFFAOYSA-N 0.000 claims description 3
- QPYIBQMRTUNZHZ-UHFFFAOYSA-N 2-formamidoethyl prop-2-enoate Chemical compound C=CC(=O)OCCNC=O QPYIBQMRTUNZHZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000259 anti-tumor effect Effects 0.000 claims description 3
- 229940034982 antineoplastic agent Drugs 0.000 claims description 3
- 239000002246 antineoplastic agent Substances 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 239000008194 pharmaceutical composition Substances 0.000 claims description 3
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 230000037396 body weight Effects 0.000 claims description 2
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- 239000000644 isotonic solution Substances 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- RFSSPNKICLZIOM-UHFFFAOYSA-N n-(2-formamidoethyl)acetamide Chemical compound CC(=O)NCCNC=O RFSSPNKICLZIOM-UHFFFAOYSA-N 0.000 claims description 2
- ANIOBYVVCVYSCX-UHFFFAOYSA-N n-(2-methylsulfanylethyl)formamide Chemical compound CSCCNC=O ANIOBYVVCVYSCX-UHFFFAOYSA-N 0.000 claims description 2
- SDAYLWNCGSHFTH-UHFFFAOYSA-N n-(3-methylsulfanylpropyl)formamide Chemical compound CSCCCNC=O SDAYLWNCGSHFTH-UHFFFAOYSA-N 0.000 claims description 2
- 229940021222 peritoneal dialysis isotonic solution Drugs 0.000 claims description 2
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 2
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- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000118 anti-neoplastic effect Effects 0.000 abstract description 3
- JXLYSJRDGCGARV-XQKSVPLYSA-N vincaleukoblastine Chemical class C([C@@H](C[C@]1(C(=O)OC)C=2C(=CC3=C([C@]45[C@H]([C@@]([C@H](OC(C)=O)[C@]6(CC)C=CCN([C@H]56)CC4)(O)C(=O)OC)N3C)C=2)OC)C[C@@](C2)(O)CC)N2CCC2=C1NC1=CC=CC=C21 JXLYSJRDGCGARV-XQKSVPLYSA-N 0.000 description 101
- OGWKCGZFUXNPDA-XQKSVPLYSA-N vincristine Chemical compound C([N@]1C[C@@H](C[C@]2(C(=O)OC)C=3C(=CC4=C([C@]56[C@H]([C@@]([C@H](OC(C)=O)[C@]7(CC)C=CCN([C@H]67)CC5)(O)C(=O)OC)N4C=O)C=3)OC)C[C@@](C1)(O)CC)CC1=C2NC2=CC=CC=C12 OGWKCGZFUXNPDA-XQKSVPLYSA-N 0.000 description 30
- 239000000243 solution Substances 0.000 description 24
- JXLYSJRDGCGARV-PJXZDTQASA-N Leurosidine Natural products O=C(O[C@H]1[C@](O)(C(=O)OC)[C@@H]2N(C)c3c(cc(c(OC)c3)[C@]3(C(=O)OC)c4[nH]c5c(c4CCN4C[C@@](O)(CC)C[C@H](C3)C4)cccc5)[C@@]32[C@H]2[C@@]1(CC)C=CCN2CC3)C JXLYSJRDGCGARV-PJXZDTQASA-N 0.000 description 17
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 150000001540 azides Chemical class 0.000 description 15
- OGWKCGZFUXNPDA-UHFFFAOYSA-N vincristine Natural products C1C(CC)(O)CC(CC2(C(=O)OC)C=3C(=CC4=C(C56C(C(C(OC(C)=O)C7(CC)C=CCN(C67)CC5)(O)C(=O)OC)N4C=O)C=3)OC)CN1CCC1=C2NC2=CC=CC=C12 OGWKCGZFUXNPDA-UHFFFAOYSA-N 0.000 description 15
- 150000001408 amides Chemical class 0.000 description 14
- 239000000843 powder Substances 0.000 description 13
- 239000002904 solvent Substances 0.000 description 12
- 238000001228 spectrum Methods 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- JXLYSJRDGCGARV-KSNABSRWSA-N ac1l29ym Chemical compound C([C@H](C[C@]1(C(=O)OC)C=2C(=CC3=C([C@]45[C@H]([C@@]([C@H](OC(C)=O)[C@]6(CC)C=CCN([C@H]56)CC4)(O)C(=O)OC)N3C)C=2)OC)C[C@](C2)(O)CC)N2CCC2=C1NC1=CC=CC=C21 JXLYSJRDGCGARV-KSNABSRWSA-N 0.000 description 11
- 150000001793 charged compounds Chemical class 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 238000002329 infrared spectrum Methods 0.000 description 8
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002585 base Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- SSQTXMAIJVOVIP-UHFFFAOYSA-N n-(2-methoxyethyl)formamide Chemical compound COCCNC=O SSQTXMAIJVOVIP-UHFFFAOYSA-N 0.000 description 6
- 241000699670 Mus sp. Species 0.000 description 5
- 201000010099 disease Diseases 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- BAMUPQJDKBGDPU-UHFFFAOYSA-N n-(2-hydroxyethyl)formamide Chemical compound OCCNC=O BAMUPQJDKBGDPU-UHFFFAOYSA-N 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 239000011877 solvent mixture Substances 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 238000004587 chromatography analysis Methods 0.000 description 4
- 150000002148 esters Chemical group 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 208000032839 leukemia Diseases 0.000 description 4
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- 235000010288 sodium nitrite Nutrition 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 240000001829 Catharanthus roseus Species 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LPGWZGMPDKDHEP-HLTPFJCJSA-N Leurosine Chemical compound C([C@]1([C@@H]2O1)CC)N(CCC=1C3=CC=CC=C3NC=11)C[C@H]2C[C@]1(C(=O)OC)C1=CC([C@]23[C@H]([C@@]([C@H](OC(C)=O)[C@]4(CC)C=CCN([C@H]34)CC2)(O)C(=O)OC)N2C)=C2C=C1OC LPGWZGMPDKDHEP-HLTPFJCJSA-N 0.000 description 3
- LPGWZGMPDKDHEP-GKWAKPNHSA-N Leurosine Natural products O=C(O[C@H]1[C@](O)(C(=O)OC)[C@@H]2N(C)c3c(cc(c(OC)c3)[C@]3(C(=O)OC)c4[nH]c5c(c4CCN4C[C@]6(CC)O[C@@H]6[C@H](C3)C4)cccc5)[C@@]32[C@H]2[C@@]1(CC)C=CCN2CC3)C LPGWZGMPDKDHEP-GKWAKPNHSA-N 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
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- HFBMWMNUJJDEQZ-UHFFFAOYSA-N acryloyl chloride Chemical compound ClC(=O)C=C HFBMWMNUJJDEQZ-UHFFFAOYSA-N 0.000 description 3
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- 238000001727 in vivo Methods 0.000 description 3
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- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
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- SPEUIVXLLWOEMJ-UHFFFAOYSA-N 1,1-dimethoxyethane Chemical compound COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 description 2
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- OGMADIBCHLQMIP-UHFFFAOYSA-N 2-aminoethanethiol;hydron;chloride Chemical compound Cl.NCCS OGMADIBCHLQMIP-UHFFFAOYSA-N 0.000 description 1
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- LBLYYCQCTBFVLH-UHFFFAOYSA-M 2-methylbenzenesulfonate Chemical compound CC1=CC=CC=C1S([O-])(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-M 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
- C07D519/04—Dimeric indole alkaloids, e.g. vincaleucoblastine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Peptides Or Proteins (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72165076A | 1976-09-08 | 1976-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1586709A true GB1586709A (en) | 1981-03-25 |
Family
ID=24898757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB36691/77A Expired GB1586709A (en) | 1976-09-08 | 1977-09-02 | C3-carboxamido derivatives of vinblastine and alkaloids |
Country Status (27)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE30561E (en) * | 1976-12-06 | 1981-03-31 | Eli Lilly And Company | Vinca alkaloid intermediates |
| US4199504A (en) * | 1978-05-15 | 1980-04-22 | Eli Lilly And Company | Bridged cathranthus alkaloid dimers |
| AR225153A1 (es) * | 1978-10-10 | 1982-02-26 | Lilly Co Eli | Un procedimiento para la preparacion de sulfato de vindesina |
| US4357334A (en) | 1980-03-20 | 1982-11-02 | Eli Lilly And Company | Use of VLB 3-(2-chloroethyl) carboxamide in treating neoplasms |
| OA06421A (fr) * | 1980-06-10 | 1981-09-30 | Omnium Chimique Sa | Procédé de préparation de dérivés N-(vinblastinoyl-23) d'acides aminés et de peptides. |
| US4362664A (en) * | 1980-12-29 | 1982-12-07 | Eli Lilly And Company | Vinblastine oxazolidinedione disulfides and related compounds |
| US4831038A (en) * | 1986-01-13 | 1989-05-16 | Ire-Celltarg S.A. | Vinblastine derivatives and pharmaceutical composition containing them |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR204004A1 (es) * | 1973-04-02 | 1975-11-12 | Lilly Co Eli | Procedimientos para preparar derivados de vinblastina leurosidina y leurocristina |
| IL48685A (en) * | 1975-01-09 | 1980-03-31 | Lilly Co Eli | Amides of vincadioline and vinblastine |
-
1977
- 1977-08-10 GR GR54126A patent/GR69783B/el unknown
- 1977-08-15 CA CA284,711A patent/CA1082179A/en not_active Expired
- 1977-08-15 IL IL52731A patent/IL52731A0/xx not_active IP Right Cessation
- 1977-08-15 IE IE1700/77A patent/IE45558B1/en not_active IP Right Cessation
- 1977-08-16 NZ NZ184932A patent/NZ184932A/xx unknown
- 1977-08-17 ZA ZA00774988A patent/ZA774988B/xx unknown
- 1977-08-19 AU AU28039/77A patent/AU511055B2/en not_active Expired
- 1977-09-01 DE DE19772739443 patent/DE2739443A1/de active Granted
- 1977-09-01 PT PT66984A patent/PT66984B/pt unknown
- 1977-09-01 AR AR269062A patent/AR226411A1/es active
- 1977-09-01 PL PL1977200607A patent/PL104309B1/pl not_active IP Right Cessation
- 1977-09-02 YU YU02097/77A patent/YU209777A/xx unknown
- 1977-09-02 PH PH20192A patent/PH14771A/en unknown
- 1977-09-02 GB GB36691/77A patent/GB1586709A/en not_active Expired
- 1977-09-06 RO RO7798857A patent/RO77922A/ro unknown
- 1977-09-06 NL NL7709806A patent/NL7709806A/xx not_active Application Discontinuation
- 1977-09-06 CH CH1089377A patent/CH631990A5/de not_active IP Right Cessation
- 1977-09-06 RO RO7798856A patent/RO77921A/ro unknown
- 1977-09-07 AT AT644277A patent/AT360513B/de not_active IP Right Cessation
- 1977-09-07 MX MX776104U patent/MX4740E/es unknown
- 1977-09-07 HU HU77EI762A patent/HU180722B/hu unknown
- 1977-09-07 DK DK398577A patent/DK146822C/da not_active IP Right Cessation
- 1977-09-07 FR FR7727080A patent/FR2364220A1/fr active Granted
- 1977-09-07 BE BE1008362A patent/BE858451A/xx not_active IP Right Cessation
- 1977-09-07 RO RO7791544A patent/RO72474A/ro unknown
- 1977-09-07 SE SE7710059A patent/SE434953B/xx not_active IP Right Cessation
- 1977-09-08 DD DD7700200940A patent/DD133055A5/xx unknown
- 1977-09-08 JP JP10834477A patent/JPS5340799A/ja active Granted
- 1977-09-08 ES ES462229A patent/ES462229A1/es not_active Expired
-
1979
- 1979-07-25 AR AR277456A patent/AR231643A1/es active
- 1979-07-25 AR AR277455A patent/AR230642A1/es active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920902 |