SK278141B6 - Enolether amide 1,1-dioxo-6-chloro-4-hydroxy-2-methyl-n- -(2-pyridyl)-2h-thieno(2,3-e)1,2-thiazine-3-carboxylic acid, method of its production and pharmaceutical agent - Google Patents
Enolether amide 1,1-dioxo-6-chloro-4-hydroxy-2-methyl-n- -(2-pyridyl)-2h-thieno(2,3-e)1,2-thiazine-3-carboxylic acid, method of its production and pharmaceutical agent Download PDFInfo
- Publication number
- SK278141B6 SK278141B6 SK6951-88A SK695188A SK278141B6 SK 278141 B6 SK278141 B6 SK 278141B6 SK 695188 A SK695188 A SK 695188A SK 278141 B6 SK278141 B6 SK 278141B6
- Authority
- SK
- Slovakia
- Prior art keywords
- reaction
- dioxo
- pyridyl
- methyl
- chloro
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 13
- -1 Enolether amide Chemical class 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title description 3
- 239000008177 pharmaceutical agent Substances 0.000 title 1
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 claims abstract description 27
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 235000009518 sodium iodide Nutrition 0.000 claims abstract description 9
- 229940100198 alkylating agent Drugs 0.000 claims abstract description 6
- 239000002168 alkylating agent Substances 0.000 claims abstract description 6
- 150000003839 salts Chemical class 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 239000003880 polar aprotic solvent Substances 0.000 claims abstract 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 239000002585 base Substances 0.000 claims description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 8
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 claims description 7
- 230000003110 anti-inflammatory effect Effects 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 7
- 239000008194 pharmaceutical composition Substances 0.000 claims description 6
- 239000004480 active ingredient Substances 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 239000000969 carrier Substances 0.000 claims description 2
- 239000007810 chemical reaction solvent Substances 0.000 claims description 2
- 239000003085 diluting agent Substances 0.000 claims description 2
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 claims 1
- 239000002798 polar solvent Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 8
- 238000009835 boiling Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 abstract 1
- 150000002084 enol ethers Chemical class 0.000 description 13
- QYSPLQLAKJAUJT-UHFFFAOYSA-N piroxicam Chemical compound OC=1C2=CC=CC=C2S(=O)(=O)N(C)C=1C(=O)NC1=CC=CC=N1 QYSPLQLAKJAUJT-UHFFFAOYSA-N 0.000 description 10
- 229960002702 piroxicam Drugs 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000000679 carrageenan Substances 0.000 description 8
- 235000010418 carrageenan Nutrition 0.000 description 8
- 229920001525 carrageenan Polymers 0.000 description 8
- 229940113118 carrageenan Drugs 0.000 description 8
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 206010061218 Inflammation Diseases 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 6
- 230000004054 inflammatory process Effects 0.000 description 6
- 241000700159 Rattus Species 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 150000001408 amides Chemical class 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- YVRGKFXJZCTTRB-UHFFFAOYSA-N 1-chloroethyl ethyl carbonate Chemical compound CCOC(=O)OC(C)Cl YVRGKFXJZCTTRB-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 210000002683 foot Anatomy 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 210000000548 hind-foot Anatomy 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 238000000967 suction filtration Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Chemical compound OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 229940043279 diisopropylamine Drugs 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 230000000144 pharmacologic effect Effects 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- BNNNRTHFDVJELR-UHFFFAOYSA-N 2h-thiazine-3-carboxylic acid Chemical compound OC(=O)C1=CC=CSN1 BNNNRTHFDVJELR-UHFFFAOYSA-N 0.000 description 1
- 241000220479 Acacia Species 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
- 238000005684 Liebig rearrangement reaction Methods 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- 239000004264 Petrolatum Substances 0.000 description 1
- 208000025747 Rheumatic disease Diseases 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 description 1
- 150000008046 alkali metal hydrides Chemical class 0.000 description 1
- LSNWBKACGXCGAJ-UHFFFAOYSA-N ampiroxicam Chemical compound CN1S(=O)(=O)C2=CC=CC=C2C(OC(C)OC(=O)OCC)=C1C(=O)NC1=CC=CC=N1 LSNWBKACGXCGAJ-UHFFFAOYSA-N 0.000 description 1
- 229940035676 analgesics Drugs 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 239000000730 antalgic agent Substances 0.000 description 1
- 239000002260 anti-inflammatory agent Substances 0.000 description 1
- 229940124599 anti-inflammatory drug Drugs 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008298 dragée Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 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
- 238000010874 in vitro model Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000003305 oral gavage Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229940066842 petrolatum Drugs 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000552 rheumatic effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 238000011200 topical administration Methods 0.000 description 1
- 239000012049 topical pharmaceutical composition Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000010626 work up procedure 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
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT285587 | 1987-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SK278141B6 true SK278141B6 (en) | 1996-02-07 |
| SK695188A3 SK695188A3 (en) | 1996-02-07 |
Family
ID=3541372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK6951-88A SK695188A3 (en) | 1987-10-29 | 1988-10-20 | Enolether amide 1,1-dioxo-6-chloro-4-hydroxy-2-methyl-n-(2- -pyridyl)-2h-thieno (2,3-e)-1,2-thiazine-3-carboxylic acid, method of its production and pharmaceutical agent |
Country Status (25)
| Country | Link |
|---|---|
| US (1) | US4927821A (fr) |
| EP (1) | EP0313935B1 (fr) |
| JP (1) | JP2588598B2 (fr) |
| KR (1) | KR970011395B1 (fr) |
| CN (1) | CN1019577B (fr) |
| AT (1) | ATE109152T1 (fr) |
| AU (1) | AU613416B2 (fr) |
| CA (1) | CA1314883C (fr) |
| CZ (1) | CZ278281B6 (fr) |
| DD (1) | DD275689A5 (fr) |
| DE (1) | DE3850845D1 (fr) |
| DK (1) | DK168384B1 (fr) |
| ES (1) | ES2056868T3 (fr) |
| FI (1) | FI86855C (fr) |
| HU (1) | HU201082B (fr) |
| IL (1) | IL87951A (fr) |
| MY (1) | MY103782A (fr) |
| NO (1) | NO174928C (fr) |
| NZ (1) | NZ226477A (fr) |
| PL (1) | PL150950B1 (fr) |
| SK (1) | SK695188A3 (fr) |
| SU (1) | SU1591813A3 (fr) |
| UA (1) | UA5916A1 (fr) |
| YU (1) | YU48037B (fr) |
| ZA (1) | ZA887731B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT399880B (de) * | 1992-07-03 | 1995-08-25 | Chem Pharm Forsch Gmbh | Neue thienothiazinderivate, verfahren zu ihrer herstellung und ihre verwendung |
| EP0658559A1 (fr) * | 1993-12-14 | 1995-06-21 | Chemisch Pharmazeutische Forschungsgesellschaft m.b.H. | Dérivés thiénothianine, procédé pour leur préparation et leur application comme inhibiteurs de 5-dipoxygenase et cyclooxygenase |
| DE4400867A1 (de) * | 1994-01-14 | 1995-07-20 | Nycomed Arzneimittel Gmbh | Neue Thienothiazinderivate, ein Verfahren zu ihrer Herstellung und ihre Verwendung |
| US5538966A (en) * | 1994-01-21 | 1996-07-23 | Alcon Laboratories, Inc. | Carbonic anhydrase inhibitors |
| US6254057B1 (en) * | 1998-10-22 | 2001-07-03 | Integra Dynamics Inc. | Valve control system |
| AT413944B (de) | 2003-05-27 | 2006-07-15 | Binder Eva Dkfm | Verwendung von oxicam-verbindungen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU518216B2 (en) * | 1977-09-06 | 1981-09-17 | Hafslund Nycomed Pharma Aktiengesellschaft | Thienothiazine derivatives |
| EP0103142B1 (fr) * | 1982-09-09 | 1987-04-22 | F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft | Dérivés de thiéno(2,3-e)-1,2-thiazine |
| US4551452A (en) * | 1983-12-21 | 1985-11-05 | Pfizer Inc. | Anti-inflammatory 2-methyl-2H-1,2-benzo-(or -thieno-)thiazine-3-carboxamide 1,1-dioxide derivatives, compositions, and method of use therefor |
-
1988
- 1988-10-06 NZ NZ226477A patent/NZ226477A/xx unknown
- 1988-10-06 IL IL87951A patent/IL87951A/xx not_active IP Right Cessation
- 1988-10-12 MY MYPI88001131A patent/MY103782A/en unknown
- 1988-10-12 NO NO884543A patent/NO174928C/no unknown
- 1988-10-13 CA CA000580051A patent/CA1314883C/fr not_active Expired - Fee Related
- 1988-10-14 AT AT88117090T patent/ATE109152T1/de not_active IP Right Cessation
- 1988-10-14 DE DE3850845T patent/DE3850845D1/de not_active Expired - Fee Related
- 1988-10-14 EP EP88117090A patent/EP0313935B1/fr not_active Expired - Lifetime
- 1988-10-14 ES ES88117090T patent/ES2056868T3/es not_active Expired - Lifetime
- 1988-10-17 ZA ZA887731A patent/ZA887731B/xx unknown
- 1988-10-18 US US07/262,499 patent/US4927821A/en not_active Expired - Fee Related
- 1988-10-20 SK SK6951-88A patent/SK695188A3/sk unknown
- 1988-10-20 CZ CS886951A patent/CZ278281B6/cs unknown
- 1988-10-25 YU YU199288A patent/YU48037B/sh unknown
- 1988-10-27 PL PL1988275523A patent/PL150950B1/pl unknown
- 1988-10-27 AU AU24403/88A patent/AU613416B2/en not_active Ceased
- 1988-10-27 KR KR1019880014013A patent/KR970011395B1/ko active IP Right Grant
- 1988-10-27 CN CN88107381A patent/CN1019577B/zh not_active Expired
- 1988-10-27 DD DD88321145A patent/DD275689A5/de not_active IP Right Cessation
- 1988-10-28 SU SU884356752A patent/SU1591813A3/ru active
- 1988-10-28 FI FI884976A patent/FI86855C/fi not_active IP Right Cessation
- 1988-10-28 JP JP63271064A patent/JP2588598B2/ja not_active Expired - Lifetime
- 1988-10-28 DK DK600188A patent/DK168384B1/da not_active Application Discontinuation
- 1988-10-28 HU HU885638A patent/HU201082B/hu not_active IP Right Cessation
- 1988-10-28 UA UA4356752A patent/UA5916A1/uk unknown
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