DD208154A5 - Verfahren zur herstellung von 7-(2,6-dibrom-4-methylphenyl)-2,3-dihydro-imidazol/1,2-a/-imidazolen - Google Patents
Verfahren zur herstellung von 7-(2,6-dibrom-4-methylphenyl)-2,3-dihydro-imidazol/1,2-a/-imidazolen Download PDFInfo
- Publication number
- DD208154A5 DD208154A5 DD81234740A DD23474081A DD208154A5 DD 208154 A5 DD208154 A5 DD 208154A5 DD 81234740 A DD81234740 A DD 81234740A DD 23474081 A DD23474081 A DD 23474081A DD 208154 A5 DD208154 A5 DD 208154A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- methylphenyl
- dibromo
- general formula
- dihydro
- compounds
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000460 chlorine Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 6
- -1 oxo compound Chemical class 0.000 claims abstract description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 3
- 125000001309 chloro group Chemical group Cl* 0.000 claims abstract description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 3
- 229910052740 iodine Chemical group 0.000 claims abstract description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 3
- 101000588924 Anthopleura elegantissima Delta-actitoxin-Ael1a Proteins 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 4
- 239000000969 carrier Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- ZIJZZKPKTAKYEE-UHFFFAOYSA-N n-(2,6-dibromo-4-methylphenyl)-n-prop-2-ynyl-4,5-dihydro-1h-imidazol-2-amine Chemical compound BrC1=CC(C)=CC(Br)=C1N(CC#C)C1=NCCN1 ZIJZZKPKTAKYEE-UHFFFAOYSA-N 0.000 claims 2
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims 1
- 238000005422 blasting Methods 0.000 claims 1
- 230000000144 pharmacologic effect Effects 0.000 abstract description 3
- VZPAWRZFNSXUOS-UHFFFAOYSA-N 7-(2,6-dibromo-4-methylphenyl)-2,3-dihydroimidazo[1,2-a]imidazole Chemical class BrC1=CC(C)=CC(Br)=C1N1C2=NCCN2C=C1 VZPAWRZFNSXUOS-UHFFFAOYSA-N 0.000 abstract description 2
- FVXNNUSYQWSJJD-UHFFFAOYSA-N 2-(2,6-dibromo-4-methylphenyl)-2,5-dihydro-1H-imidazol-4-amine Chemical compound BrC1=C(C(=CC(=C1)C)Br)C1NCC(N1)=N FVXNNUSYQWSJJD-UHFFFAOYSA-N 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 208000029078 coronary artery disease Diseases 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 239000000546 pharmaceutical excipient Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- UCZPXZAAAHRLCQ-UHFFFAOYSA-N 1-(2,6-dibromo-4-methylphenyl)-4-methyl-4,5-dihydroimidazol-2-amine Chemical compound BrC1=C(C(=CC(=C1)C)Br)N1C(NC(C1)C)=N UCZPXZAAAHRLCQ-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WRYCSMQKUKOKBP-UHFFFAOYSA-N Imidazolidine Chemical compound C1CNCN1 WRYCSMQKUKOKBP-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000008298 dragée Substances 0.000 description 2
- 239000012259 ether extract Substances 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
- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 description 1
- LWTIGYSPAXKMDG-UHFFFAOYSA-N 2,3-dihydro-1h-imidazole Chemical compound C1NC=CN1 LWTIGYSPAXKMDG-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- OIMRLHCSLQUXLL-UHFFFAOYSA-N 3-chlorobutan-2-one Chemical compound CC(Cl)C(C)=O OIMRLHCSLQUXLL-UHFFFAOYSA-N 0.000 description 1
- CODILCJVWNTAHO-UHFFFAOYSA-N 7-(2,6-dibromo-4-methylphenyl)-5,6-dimethyl-2,3-dihydroimidazo[1,2-a]imidazole Chemical compound C12=NCCN2C(C)=C(C)N1C1=C(Br)C=C(C)C=C1Br CODILCJVWNTAHO-UHFFFAOYSA-N 0.000 description 1
- WUNAQPJGRXWXHF-UHFFFAOYSA-N 7-(2,6-dibromo-4-methylphenyl)-5-methyl-3,6-dihydro-2h-imidazo[1,2-a]imidazol-5-ol Chemical compound BrC1=CC(C)=CC(Br)=C1N1C2=NCCN2C(C)(O)C1 WUNAQPJGRXWXHF-UHFFFAOYSA-N 0.000 description 1
- 244000215068 Acacia senegal Species 0.000 description 1
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229920000084 Gum arabic Polymers 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- NDKBVBUGCNGSJJ-UHFFFAOYSA-M benzyltrimethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)CC1=CC=CC=C1 NDKBVBUGCNGSJJ-UHFFFAOYSA-M 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000059 bradycardiac effect Effects 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- BULLHNJGPPOUOX-UHFFFAOYSA-N chloroacetone Chemical compound CC(=O)CCl BULLHNJGPPOUOX-UHFFFAOYSA-N 0.000 description 1
- 235000013985 cinnamic acid Nutrition 0.000 description 1
- 229930016911 cinnamic acid Natural products 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- GATNOFPXSDHULC-UHFFFAOYSA-N ethylphosphonic acid Chemical compound CCP(O)(O)=O GATNOFPXSDHULC-UHFFFAOYSA-N 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- 229960002216 methylparaben Drugs 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- DZHUQIOYWZHKQP-UHFFFAOYSA-N n-(2,6-dibromo-4-methylphenyl)-4,5-dihydro-1h-imidazol-2-amine Chemical compound BrC1=CC(C)=CC(Br)=C1N=C1NCCN1 DZHUQIOYWZHKQP-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000010232 propyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000004405 propyl p-hydroxybenzoate Substances 0.000 description 1
- QELSKZZBTMNZEB-UHFFFAOYSA-N propylparaben Chemical compound CCCOC(=O)C1=CC=C(O)C=C1 QELSKZZBTMNZEB-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- 230000001225 therapeutic effect Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- 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)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803042636 DE3042636A1 (de) | 1980-11-12 | 1980-11-12 | Neue 7-(2,6-dibrom-4-methylphenyl)-2,3-dihydro-imidazo(1,2-a)imidazole, deren saeureadditionssalze, diese enhthaltende arzneimittel und verfahren zu deren herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD208154A5 true DD208154A5 (de) | 1984-03-28 |
Family
ID=6116582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD81234740A DD208154A5 (de) | 1980-11-12 | 1981-11-10 | Verfahren zur herstellung von 7-(2,6-dibrom-4-methylphenyl)-2,3-dihydro-imidazol/1,2-a/-imidazolen |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US4409235A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0051809A1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPS57109788A (cg-RX-API-DMAC7.html) |
| KR (1) | KR880000851B1 (cg-RX-API-DMAC7.html) |
| AR (1) | AR228376A1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU548784B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1171090A (cg-RX-API-DMAC7.html) |
| CS (1) | CS223848B2 (cg-RX-API-DMAC7.html) |
| DD (1) | DD208154A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE3042636A1 (cg-RX-API-DMAC7.html) |
| DK (1) | DK153151C (cg-RX-API-DMAC7.html) |
| ES (1) | ES507016A0 (cg-RX-API-DMAC7.html) |
| FI (1) | FI71561C (cg-RX-API-DMAC7.html) |
| GB (1) | GB2086900B (cg-RX-API-DMAC7.html) |
| GR (1) | GR81331B (cg-RX-API-DMAC7.html) |
| HU (1) | HU182413B (cg-RX-API-DMAC7.html) |
| IE (1) | IE53482B1 (cg-RX-API-DMAC7.html) |
| IL (1) | IL64242A (cg-RX-API-DMAC7.html) |
| NO (1) | NO156691C (cg-RX-API-DMAC7.html) |
| NZ (1) | NZ198940A (cg-RX-API-DMAC7.html) |
| PH (1) | PH18610A (cg-RX-API-DMAC7.html) |
| PL (1) | PL133210B1 (cg-RX-API-DMAC7.html) |
| PT (1) | PT73971B (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA817788B (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL248267B1 (pl) * | 2023-04-13 | 2025-11-17 | Uniwersytet Medyczny W Lublinie | 1-arylo-6-hydroksyimino-5(1H)okso-2,3-dihydroimidazo[1,2-a] imidazole oraz sposób ich wytwarzania oraz ich zastosowanie |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2118261A1 (de) * | 1971-04-15 | 1972-11-02 | C.H. Boehringer Sohn, 6507 Ingelheim | Neue N-haltige Bicyclen, deren Säureadditionssalze sowie Verfahren zu deren Herstellung |
| US3865836A (en) * | 1972-12-08 | 1975-02-11 | Janssen Pharmaceutica Nv | Bicyclic imidazoles |
| DE2827617A1 (de) * | 1978-06-23 | 1980-01-10 | Boehringer Sohn Ingelheim | Neue imidazo eckige klammer auf 1,2- alpha eckige klammer zu imidazole, deren saeureadditionssalze, diese enthaltende arzneimittel und verfahren zu deren herstellung |
-
1980
- 1980-11-12 DE DE19803042636 patent/DE3042636A1/de not_active Withdrawn
-
1981
- 1981-10-28 EP EP81109106A patent/EP0051809A1/de not_active Ceased
- 1981-11-09 IL IL64242A patent/IL64242A/xx unknown
- 1981-11-09 AR AR287379A patent/AR228376A1/es active
- 1981-11-10 DD DD81234740A patent/DD208154A5/de unknown
- 1981-11-10 FI FI813562A patent/FI71561C/fi not_active IP Right Cessation
- 1981-11-10 CA CA000389832A patent/CA1171090A/en not_active Expired
- 1981-11-10 GR GR66489A patent/GR81331B/el unknown
- 1981-11-10 CS CS818256A patent/CS223848B2/cs unknown
- 1981-11-11 AU AU77391/81A patent/AU548784B2/en not_active Ceased
- 1981-11-11 KR KR1019810004323A patent/KR880000851B1/ko not_active Expired
- 1981-11-11 ZA ZA817788A patent/ZA817788B/xx unknown
- 1981-11-11 GB GB8134005A patent/GB2086900B/en not_active Expired
- 1981-11-11 DK DK499381A patent/DK153151C/da not_active IP Right Cessation
- 1981-11-11 JP JP56180924A patent/JPS57109788A/ja active Pending
- 1981-11-11 NO NO813822A patent/NO156691C/no unknown
- 1981-11-11 HU HU813374A patent/HU182413B/hu not_active IP Right Cessation
- 1981-11-11 PT PT73971A patent/PT73971B/pt unknown
- 1981-11-11 ES ES507016A patent/ES507016A0/es active Granted
- 1981-11-11 NZ NZ198940A patent/NZ198940A/en unknown
- 1981-11-11 PL PL1981233772A patent/PL133210B1/pl unknown
- 1981-11-11 IE IE2641/81A patent/IE53482B1/en unknown
-
1982
- 1982-08-02 US US06/404,538 patent/US4409235A/en not_active Expired - Fee Related
-
1983
- 1983-05-25 PH PH28957A patent/PH18610A/en unknown
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