CA1247619A - Process for preparing pyrimidinetrione derivatives - Google Patents
Process for preparing pyrimidinetrione derivativesInfo
- Publication number
- CA1247619A CA1247619A CA000451688A CA451688A CA1247619A CA 1247619 A CA1247619 A CA 1247619A CA 000451688 A CA000451688 A CA 000451688A CA 451688 A CA451688 A CA 451688A CA 1247619 A CA1247619 A CA 1247619A
- Authority
- CA
- Canada
- Prior art keywords
- formula
- group
- metal salt
- compound
- febarbamate
- 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
- SOFSSZFBVOGIKD-UHFFFAOYSA-N pyrimidine-2,4,5-trione Chemical class O=C1NC(=O)C(=O)C=N1 SOFSSZFBVOGIKD-UHFFFAOYSA-N 0.000 title claims abstract 3
- 238000004519 manufacturing process Methods 0.000 title description 2
- 150000001875 compounds Chemical class 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 19
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- -1 alkali metal salt Chemical class 0.000 claims abstract description 9
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 150000003839 salts Chemical class 0.000 claims abstract description 6
- 239000002168 alkylating agent Substances 0.000 claims abstract description 5
- 229940100198 alkylating agent Drugs 0.000 claims abstract description 5
- 125000003118 aryl group Chemical group 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 125000005843 halogen group Chemical group 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 125000002837 carbocyclic group Chemical group 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- IZHGMMBZJWHGND-UHFFFAOYSA-N 1-butoxy-3-chloropropan-2-ol Chemical compound CCCCOCC(O)CCl IZHGMMBZJWHGND-UHFFFAOYSA-N 0.000 claims 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 229960005182 febarbamate Drugs 0.000 abstract description 29
- QHZQILHUJDRDAI-UHFFFAOYSA-N febarbamate Chemical compound O=C1N(CC(COCCCC)OC(N)=O)C(=O)NC(=O)C1(CC)C1=CC=CC=C1 QHZQILHUJDRDAI-UHFFFAOYSA-N 0.000 abstract description 28
- 206010002820 Antisocial behaviour Diseases 0.000 abstract description 3
- 206010022998 Irritability Diseases 0.000 abstract description 3
- 125000001931 aliphatic group Chemical group 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- HNYOPLTXPVRDBG-UHFFFAOYSA-N barbituric acid Chemical class O=C1CC(=O)NC(=O)N1 HNYOPLTXPVRDBG-UHFFFAOYSA-N 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 206010001497 Agitation Diseases 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 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 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- DDBREPKUVSBGFI-UHFFFAOYSA-N phenobarbital Chemical compound C=1C=CC=CC=1C1(CC)C(=O)NC(=O)NC1=O DDBREPKUVSBGFI-UHFFFAOYSA-N 0.000 description 3
- 229960002695 phenobarbital Drugs 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000003826 tablet Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- GJJRIOLBUILIGK-UHFFFAOYSA-N difebarbamate Chemical compound O=C1N(CC(COCCCC)OC(N)=O)C(=O)N(CC(COCCCC)OC(N)=O)C(=O)C1(CC)C1=CC=CC=C1 GJJRIOLBUILIGK-UHFFFAOYSA-N 0.000 description 2
- 229960000694 difebarbamate Drugs 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- WRLGYAWRGXKSKG-UHFFFAOYSA-M phenobarbital sodium Chemical compound [Na+].C=1C=CC=CC=1C1(CC)C(=O)NC([O-])=NC1=O WRLGYAWRGXKSKG-UHFFFAOYSA-M 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products 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 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 241001425800 Pipa Species 0.000 description 1
- ATTZFSUZZUNHBP-UHFFFAOYSA-N Piperonyl sulfoxide Chemical compound CCCCCCCCS(=O)C(C)CC1=CC=C2OCOC2=C1 ATTZFSUZZUNHBP-UHFFFAOYSA-N 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 241000786363 Rhampholeon spectrum Species 0.000 description 1
- 206010039897 Sedation Diseases 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- OJYGBLRPYBAHRT-UHFFFAOYSA-N alphachloralose Chemical compound O1C(C(Cl)(Cl)Cl)OC2C(O)C(C(O)CO)OC21 OJYGBLRPYBAHRT-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001078 anti-cholinergic effect Effects 0.000 description 1
- YSXKPIUOCJLQIE-UHFFFAOYSA-N biperiden Chemical compound C1C(C=C2)CC2C1C(C=1C=CC=CC=1)(O)CCN1CCCCC1 YSXKPIUOCJLQIE-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000000460 chlorine Chemical group 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229960004132 diethyl ether Drugs 0.000 description 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N dimethylmethane Natural products CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 230000001544 dysphoric effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000000147 hypnotic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000035987 intoxication Effects 0.000 description 1
- 231100000566 intoxication Toxicity 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000007937 lozenge Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000006996 mental state Effects 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000003236 psychic effect Effects 0.000 description 1
- 239000004089 psychotropic agent Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 230000036280 sedation Effects 0.000 description 1
- 230000001624 sedative effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 239000003204 tranquilizing agent Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/60—Three or more oxygen or sulfur atoms
- C07D239/62—Barbituric acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pyrrole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8309813 | 1983-04-12 | ||
| GB838309813A GB8309813D0 (en) | 1983-04-12 | 1983-04-12 | Pyrimidinetrione derivatives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1247619A true CA1247619A (en) | 1988-12-28 |
Family
ID=10540932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000451688A Expired CA1247619A (en) | 1983-04-12 | 1984-04-11 | Process for preparing pyrimidinetrione derivatives |
Country Status (39)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HUT64077A (en) * | 1990-02-08 | 1993-11-29 | Sapos Sa | Process for producing pyrimidinetrione derivatives |
| JPH0436236A (ja) * | 1990-05-30 | 1992-02-06 | Mitsui Pharmaceut Inc | 脳神経障害及び脳循環代謝障害の改善治療剤 |
| RU2141322C1 (ru) * | 1997-08-12 | 1999-11-20 | Голощапов Николай Михайлович | Иммуномодулятор с антимикобактериальной активностью "изофон", способ его получения и применения |
| US7074925B1 (en) * | 1998-05-26 | 2006-07-11 | Rimma Lliinichna Ashkinazi | N-substituted derivatives of 5-oxyiminobarbituric acid |
| RU2188196C2 (ru) * | 1998-05-26 | 2002-08-27 | Ашкинази Римма Ильинична | N-замещенные производные 5-оксииминобарбитуровой кислоты |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA873891A (en) * | 1971-06-22 | Melkonian Diran | Barbituric acid derivatives | |
| US3075983A (en) * | 1963-01-29 | -oconh | ||
| GB1193438A (en) * | 1966-10-26 | 1970-06-03 | Phillipe Gold-Aubert | Barbituric Acid Derivatives, preparation thereof and Pharmaceutical Compositions containing them |
| GB1581834A (en) * | 1976-11-01 | 1980-12-31 | Sapos Sa | Complexes of barbituric acid derivatives |
| FR2424262A1 (fr) * | 1978-04-24 | 1979-11-23 | Sapos Sa | Nouveaux complexes tetrameres de derives de la malonyl-uree a action psychotrope et procede de preparation |
-
1983
- 1983-04-12 GB GB838309813A patent/GB8309813D0/en active Pending
-
1984
- 1984-04-11 IT IT48019/84A patent/IT1177658B/it active
- 1984-04-11 PT PT78400A patent/PT78400B/pt not_active IP Right Cessation
- 1984-04-11 AT AT0122084A patent/AT388917B/de not_active IP Right Cessation
- 1984-04-11 GR GR74381A patent/GR79890B/el unknown
- 1984-04-11 BE BE0/212734A patent/BE899385A/fr not_active IP Right Cessation
- 1984-04-11 MA MA20313A patent/MA20092A1/fr unknown
- 1984-04-11 AR AR296253A patent/AR240317A1/es active
- 1984-04-11 BR BR8401679A patent/BR8401679A/pt unknown
- 1984-04-11 IL IL71515A patent/IL71515A/xx not_active IP Right Cessation
- 1984-04-11 IE IE890/84A patent/IE57321B1/en not_active IP Right Cessation
- 1984-04-11 NZ NZ207802A patent/NZ207802A/en unknown
- 1984-04-11 US US06/598,969 patent/US4611057A/en not_active Expired - Fee Related
- 1984-04-11 SU SU843723552A patent/SU1380611A3/ru active
- 1984-04-11 DE DE8484302489T patent/DE3464910D1/de not_active Expired
- 1984-04-11 ZA ZA842687A patent/ZA842687B/xx unknown
- 1984-04-11 DK DK186784A patent/DK158726C/da not_active IP Right Cessation
- 1984-04-11 PL PL1984247174A patent/PL144481B1/pl unknown
- 1984-04-11 IN IN318/DEL/84A patent/IN161291B/en unknown
- 1984-04-11 BG BG65031A patent/BG65031A/xx unknown
- 1984-04-11 FR FR8405750A patent/FR2544312B1/fr not_active Expired
- 1984-04-11 AU AU26749/84A patent/AU554056B2/en not_active Ceased
- 1984-04-11 RO RO84114230A patent/RO89141A/ro unknown
- 1984-04-11 EP EP84302489A patent/EP0125046B1/en not_active Expired
- 1984-04-11 FI FI841430A patent/FI84348C/fi not_active IP Right Cessation
- 1984-04-11 UA UA3723552A patent/UA7040A1/uk unknown
- 1984-04-11 JP JP59071048A patent/JPS59205370A/ja active Granted
- 1984-04-11 CA CA000451688A patent/CA1247619A/en not_active Expired
- 1984-04-11 NO NO841438A patent/NO170928C/no unknown
- 1984-04-11 MX MX8203A patent/MX159632A/es unknown
- 1984-04-11 YU YU66484A patent/YU45607B/sh unknown
- 1984-04-11 ES ES531498A patent/ES531498A0/es active Granted
- 1984-04-11 HU HU841424A patent/HU192548B/hu not_active IP Right Cessation
- 1984-04-11 CH CH1826/84A patent/CH658653A5/de not_active IP Right Cessation
- 1984-04-11 LU LU85296A patent/LU85296A1/fr unknown
- 1984-04-11 CS CS842762A patent/CS276389B6/cs unknown
- 1984-04-11 EG EG238/84A patent/EG17794A/xx active
- 1984-04-11 DD DD84261877A patent/DD222018A5/de not_active IP Right Cessation
- 1984-04-12 PH PH30536A patent/PH24131A/en unknown
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