SU986298A3 - Способ получени 10-бромсандвицина или 10-бромизосандвицина или их солей - Google Patents
Способ получени 10-бромсандвицина или 10-бромизосандвицина или их солей Download PDFInfo
- Publication number
- SU986298A3 SU986298A3 SU802983701A SU2983701A SU986298A3 SU 986298 A3 SU986298 A3 SU 986298A3 SU 802983701 A SU802983701 A SU 802983701A SU 2983701 A SU2983701 A SU 2983701A SU 986298 A3 SU986298 A3 SU 986298A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- methylene chloride
- methanol
- pure
- yield
- carried out
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 11
- 150000003839 salts Chemical class 0.000 title description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 42
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 39
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 5
- 230000031709 bromination Effects 0.000 claims description 4
- 238000005893 bromination reaction Methods 0.000 claims description 4
- ODWXUNBKCRECNW-UHFFFAOYSA-M bromocopper(1+) Chemical compound Br[Cu+] ODWXUNBKCRECNW-UHFFFAOYSA-M 0.000 claims description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- 239000000243 solution Substances 0.000 description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 235000019439 ethyl acetate Nutrition 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 239000012074 organic phase Substances 0.000 description 5
- 102000001708 Protein Isoforms Human genes 0.000 description 4
- 108010029485 Protein Isoforms Proteins 0.000 description 4
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 4
- SYSZENVIJHPFNL-UHFFFAOYSA-N (alpha-D-mannosyl)7-beta-D-mannosyl-diacetylchitobiosyl-L-asparagine, isoform B (protein) Chemical compound COC1=CC=C(I)C=C1 SYSZENVIJHPFNL-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000029936 alkylation Effects 0.000 description 3
- 238000005804 alkylation reaction Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- BSWWXRFVMJHFBN-UHFFFAOYSA-N 2,4,6-tribromophenol Chemical compound OC1=C(Br)C=C(Br)C=C1Br BSWWXRFVMJHFBN-UHFFFAOYSA-N 0.000 description 2
- PZASAAIJIFDWSB-CKPDSHCKSA-N 8-[(1S)-1-[8-(trifluoromethyl)-7-[4-(trifluoromethyl)cyclohexyl]oxynaphthalen-2-yl]ethyl]-8-azabicyclo[3.2.1]octane-3-carboxylic acid Chemical compound FC(F)(F)C=1C2=CC([C@@H](N3C4CCC3CC(C4)C(O)=O)C)=CC=C2C=CC=1OC1CCC(C(F)(F)F)CC1 PZASAAIJIFDWSB-CKPDSHCKSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(ii) bromide Chemical compound [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- VADKRMSMGWJZCF-UHFFFAOYSA-N 2-bromophenol Chemical compound OC1=CC=CC=C1Br VADKRMSMGWJZCF-UHFFFAOYSA-N 0.000 description 1
- HCDMJFOHIXMBOV-UHFFFAOYSA-N 3-(2,6-difluoro-3,5-dimethoxyphenyl)-1-ethyl-8-(morpholin-4-ylmethyl)-4,7-dihydropyrrolo[4,5]pyrido[1,2-d]pyrimidin-2-one Chemical compound C=1C2=C3N(CC)C(=O)N(C=4C(=C(OC)C=C(OC)C=4F)F)CC3=CN=C2NC=1CN1CCOCC1 HCDMJFOHIXMBOV-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910021590 Copper(II) bromide Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- CJDRUOGAGYHKKD-UHFFFAOYSA-N Iso-ajmalin Natural products CN1C2=CC=CC=C2C2(C(C34)O)C1C1CC3C(CC)C(O)N1C4C2 CJDRUOGAGYHKKD-UHFFFAOYSA-N 0.000 description 1
- 239000001358 L(+)-tartaric acid Substances 0.000 description 1
- 235000011002 L(+)-tartaric acid Nutrition 0.000 description 1
- FEWJPZIEWOKRBE-LWMBPPNESA-N L-(+)-Tartaric acid Natural products OC(=O)[C@@H](O)[C@H](O)C(O)=O FEWJPZIEWOKRBE-LWMBPPNESA-N 0.000 description 1
- VKEQBMCRQDSRET-UHFFFAOYSA-N Methylone Chemical compound CNC(C)C(=O)C1=CC=C2OCOC2=C1 VKEQBMCRQDSRET-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 244000061121 Rauvolfia serpentina Species 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- BATOPAZDIZEVQF-UHFFFAOYSA-N hexa-2,4-dienal Chemical compound CC=CC=CC=O BATOPAZDIZEVQF-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/22—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed systems contains four or more hetero rings
-
- 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
-
- 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)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Detergent Compositions (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Saccharide Compounds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Confectionery (AREA)
- Prostheses (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792941531 DE2941531A1 (de) | 1979-10-13 | 1979-10-13 | 10-bromsandwicin und 10-bromisosandwicin, verfahren zu deren herstellung und deren verwendung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU986298A3 true SU986298A3 (ru) | 1982-12-30 |
Family
ID=6083414
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU802983701A SU986298A3 (ru) | 1979-10-13 | 1980-10-02 | Способ получени 10-бромсандвицина или 10-бромизосандвицина или их солей |
| SU803220196A SU996416A1 (ru) | 1979-10-13 | 1980-12-25 | 10-Бромсандвицин или 10-бромизосандвицин или их соли с фармакологически приемлемыми кислотами,обладающие противоаритмической активностью |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU803220196A SU996416A1 (ru) | 1979-10-13 | 1980-12-25 | 10-Бромсандвицин или 10-бромизосандвицин или их соли с фармакологически приемлемыми кислотами,обладающие противоаритмической активностью |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4558052A (cg-RX-API-DMAC7.html) |
| EP (1) | EP0029117B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5681584A (cg-RX-API-DMAC7.html) |
| AT (1) | ATE3113T1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU536185B2 (cg-RX-API-DMAC7.html) |
| CA (1) | CA1147331A (cg-RX-API-DMAC7.html) |
| DD (2) | DD154488A5 (cg-RX-API-DMAC7.html) |
| DE (2) | DE2941531A1 (cg-RX-API-DMAC7.html) |
| DK (2) | DK430780A (cg-RX-API-DMAC7.html) |
| ES (2) | ES8106524A1 (cg-RX-API-DMAC7.html) |
| FI (1) | FI69464C (cg-RX-API-DMAC7.html) |
| GR (1) | GR70381B (cg-RX-API-DMAC7.html) |
| HU (1) | HU184332B (cg-RX-API-DMAC7.html) |
| IE (1) | IE50131B1 (cg-RX-API-DMAC7.html) |
| IL (1) | IL61224A (cg-RX-API-DMAC7.html) |
| NO (2) | NO154669C (cg-RX-API-DMAC7.html) |
| NZ (1) | NZ195218A (cg-RX-API-DMAC7.html) |
| PH (1) | PH16518A (cg-RX-API-DMAC7.html) |
| PT (1) | PT71896B (cg-RX-API-DMAC7.html) |
| SU (2) | SU986298A3 (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA806169B (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2941531A1 (de) * | 1979-10-13 | 1981-04-23 | Kali-Chemie Pharma Gmbh, 3000 Hannover | 10-bromsandwicin und 10-bromisosandwicin, verfahren zu deren herstellung und deren verwendung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1582627A (en) * | 1976-01-16 | 1981-01-14 | Inverni Della Beffa Spa | Derivatives of sandwicine and isosandwicine and pharmaceutical compositions comprising sandwicine isosandwicine and derivatives thereof |
| DE2611162A1 (de) * | 1976-03-17 | 1977-10-06 | Kali Chemie Pharma Gmbh | Neue quartaere derivate von sandwicin und verfahren zu ihrer herstellung |
| DE2941529A1 (de) * | 1979-10-13 | 1981-04-23 | Kali-Chemie Pharma Gmbh, 3000 Hannover | N(pfeil abwaerts)b(pfeil abwaerts) -quartaere derivate von ajmalin und isoajmalin, verfahren und zwischenprodukte zur herstellung der derivate, die derivate enthaltende arzneimittel und die verwendung der derivate |
| DE2941531A1 (de) * | 1979-10-13 | 1981-04-23 | Kali-Chemie Pharma Gmbh, 3000 Hannover | 10-bromsandwicin und 10-bromisosandwicin, verfahren zu deren herstellung und deren verwendung |
| DE2941530A1 (de) * | 1979-10-13 | 1981-04-23 | Kali-Chemie Pharma Gmbh, 3000 Hannover | N (pfeil abwaerts)b(pfeil hoch) -quartaere derivate von sandwicin und isosandwicin, verfahren und zwischenprodukte zur herstellung der derivate, die derivate enthaltende arzneimittel und die verwendung der derivate |
-
1979
- 1979-10-13 DE DE19792941531 patent/DE2941531A1/de not_active Withdrawn
-
1980
- 1980-09-30 FI FI803088A patent/FI69464C/fi not_active IP Right Cessation
- 1980-10-02 SU SU802983701A patent/SU986298A3/ru active
- 1980-10-06 ES ES495651A patent/ES8106524A1/es not_active Expired
- 1980-10-06 ZA ZA00806169A patent/ZA806169B/xx unknown
- 1980-10-07 IE IE2046/80A patent/IE50131B1/en unknown
- 1980-10-07 IL IL61224A patent/IL61224A/xx unknown
- 1980-10-09 PH PH24693A patent/PH16518A/en unknown
- 1980-10-09 DD DD80224432A patent/DD154488A5/de unknown
- 1980-10-09 DD DD80233315A patent/DD201681A5/de unknown
- 1980-10-09 PT PT71896A patent/PT71896B/pt unknown
- 1980-10-10 AT AT80106152T patent/ATE3113T1/de not_active IP Right Cessation
- 1980-10-10 HU HU802473A patent/HU184332B/hu not_active IP Right Cessation
- 1980-10-10 CA CA000362117A patent/CA1147331A/en not_active Expired
- 1980-10-10 NO NO803043A patent/NO154669C/no unknown
- 1980-10-10 EP EP80106152A patent/EP0029117B1/de not_active Expired
- 1980-10-10 DE DE8080106152T patent/DE3062840D1/de not_active Expired
- 1980-10-10 DK DK430780A patent/DK430780A/da not_active Application Discontinuation
- 1980-10-10 NZ NZ195218A patent/NZ195218A/xx unknown
- 1980-10-11 GR GR63124A patent/GR70381B/el unknown
- 1980-10-13 JP JP14215680A patent/JPS5681584A/ja active Granted
- 1980-10-13 AU AU63207/80A patent/AU536185B2/en not_active Ceased
- 1980-12-25 SU SU803220196A patent/SU996416A1/ru active
- 1980-12-29 ES ES498188A patent/ES8201160A1/es not_active Expired
-
1984
- 1984-06-08 US US06/618,908 patent/US4558052A/en not_active Expired - Fee Related
-
1986
- 1986-03-19 NO NO86861078A patent/NO156326C/no unknown
-
1988
- 1988-05-19 DK DK273988A patent/DK273988A/da unknown
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