NO802440L - Fremgangsmaate til fremstilling av cis-pt(nh3)2cl2 og mellomprodukter - Google Patents
Fremgangsmaate til fremstilling av cis-pt(nh3)2cl2 og mellomprodukterInfo
- Publication number
- NO802440L NO802440L NO802440A NO802440A NO802440L NO 802440 L NO802440 L NO 802440L NO 802440 A NO802440 A NO 802440A NO 802440 A NO802440 A NO 802440A NO 802440 L NO802440 L NO 802440L
- Authority
- NO
- Norway
- Prior art keywords
- cis
- temperature
- solution
- room temperature
- aqueous solution
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 42
- 238000004519 manufacturing process Methods 0.000 title description 7
- 239000000543 intermediate Substances 0.000 title 1
- 239000000243 solution Substances 0.000 claims description 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 239000007864 aqueous solution Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- LHOLEEXIGAICPS-HHRLKWFBSA-N 3-[4-(6-iodanylimidazo[1,2-a]pyridin-2-yl)phenoxy]propan-1-ol Chemical compound C1=CC(OCCCO)=CC=C1C1=CN(C=C([123I])C=C2)C2=N1 LHOLEEXIGAICPS-HHRLKWFBSA-N 0.000 claims description 9
- 239000011541 reaction mixture Substances 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 claims description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 7
- 229910052700 potassium Chemical group 0.000 claims description 7
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(I) nitrate Inorganic materials [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000011591 potassium Chemical group 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 239000000908 ammonium hydroxide Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 3
- 229910021612 Silver iodide Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 3
- JKFYKCYQEWQPTM-UHFFFAOYSA-N 2-azaniumyl-2-(4-fluorophenyl)acetate Chemical compound OC(=O)C(N)C1=CC=C(F)C=C1 JKFYKCYQEWQPTM-UHFFFAOYSA-N 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 229940045105 silver iodide Drugs 0.000 claims description 2
- 239000002246 antineoplastic agent Substances 0.000 claims 1
- 239000003937 drug carrier Substances 0.000 claims 1
- LIAWOTKNAVAKCX-UHFFFAOYSA-N hydrazine;dihydrochloride Chemical compound Cl.Cl.NN LIAWOTKNAVAKCX-UHFFFAOYSA-N 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 239000000825 pharmaceutical preparation Substances 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 48
- 239000000047 product Substances 0.000 description 23
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Inorganic materials [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 19
- DQLATGHUWYMOKM-UHFFFAOYSA-L cisplatin Chemical compound N[Pt](N)(Cl)Cl DQLATGHUWYMOKM-UHFFFAOYSA-L 0.000 description 14
- 238000001953 recrystallisation Methods 0.000 description 12
- 239000001103 potassium chloride Substances 0.000 description 10
- 235000011164 potassium chloride Nutrition 0.000 description 10
- 150000003839 salts Chemical class 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 9
- 229910052697 platinum Inorganic materials 0.000 description 9
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 8
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229910002651 NO3 Inorganic materials 0.000 description 5
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- -1 silver ions Chemical class 0.000 description 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 201000011510 cancer Diseases 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000004816 paper chromatography Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 229910001961 silver nitrate Inorganic materials 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 229910020427 K2PtCl4 Inorganic materials 0.000 description 2
- OKPZIQOBDZDBRW-UHFFFAOYSA-N [Pt].[K] Chemical class [Pt].[K] OKPZIQOBDZDBRW-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- HRGDZIGMBDGFTC-UHFFFAOYSA-N platinum(2+) Chemical compound [Pt+2] HRGDZIGMBDGFTC-UHFFFAOYSA-N 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 230000029219 regulation of pH Effects 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- KPZGRMZPZLOPBS-UHFFFAOYSA-N 1,3-dichloro-2,2-bis(chloromethyl)propane Chemical compound ClCC(CCl)(CCl)CCl KPZGRMZPZLOPBS-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- ZVQOOHYFBIDMTQ-UHFFFAOYSA-N [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide Chemical compound N#CN=S(C)(=O)C(C)C1=CC=C(C(F)(F)F)N=C1 ZVQOOHYFBIDMTQ-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- BSJGASKRWFKGMV-UHFFFAOYSA-L ammonia dichloroplatinum(2+) Chemical compound N.N.Cl[Pt+2]Cl BSJGASKRWFKGMV-UHFFFAOYSA-L 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- PNCHTLQBARZRSO-UHFFFAOYSA-L azane;platinum(2+);diiodide Chemical compound N.N.[I-].[I-].[Pt+2] PNCHTLQBARZRSO-UHFFFAOYSA-L 0.000 description 1
- OTEYRJLGZKIQQD-UHFFFAOYSA-N bis(2,2,3,3,4,4,5,5-octafluoropentyl) benzene-1,2-dicarboxylate Chemical compound FC(F)C(F)(F)C(F)(F)C(F)(F)COC(=O)C1=CC=CC=C1C(=O)OCC(F)(F)C(F)(F)C(F)(F)C(F)F OTEYRJLGZKIQQD-UHFFFAOYSA-N 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002496 iodine Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003385 sodium Chemical class 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- RNJPWBVOCUGBGY-UHFFFAOYSA-J tetraiodoplatinum Chemical class [I-].[I-].[I-].[I-].[Pt+4] RNJPWBVOCUGBGY-UHFFFAOYSA-J 0.000 description 1
- 231100001274 therapeutic index Toxicity 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
- C01G55/002—Compounds containing, besides ruthenium, rhodium, palladium, osmium, iridium, or platinum, two or more other elements, with the exception of oxygen or hydrogen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/24—Heavy metals; Compounds thereof
- A61K33/243—Platinum; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/32—Thermal properties
- C01P2006/37—Stability against thermal decomposition
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/065,553 US4273755A (en) | 1979-08-16 | 1979-08-16 | Preparation of platinum complexes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO802440L true NO802440L (no) | 1981-02-17 |
Family
ID=22063515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO802440A NO802440L (no) | 1979-08-16 | 1980-08-15 | Fremgangsmaate til fremstilling av cis-pt(nh3)2cl2 og mellomprodukter |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4273755A (fi) |
| EP (1) | EP0030782B1 (fi) |
| JP (1) | JPS5654233A (fi) |
| AR (1) | AR227647A1 (fi) |
| AT (1) | ATE5874T1 (fi) |
| AU (1) | AU6092280A (fi) |
| CA (1) | CA1156429A (fi) |
| DE (1) | DE3066179D1 (fi) |
| DK (1) | DK353980A (fi) |
| ES (1) | ES494267A0 (fi) |
| FI (1) | FI802521A (fi) |
| IN (1) | IN154936B (fi) |
| NO (1) | NO802440L (fi) |
| ZA (1) | ZA804601B (fi) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335087A (en) * | 1979-08-16 | 1982-06-15 | Mpd Technology Corporation | Process for preparing cis-Pt(NH3)2 Cl2 |
| US4302446A (en) * | 1979-10-02 | 1981-11-24 | Bristol-Myers Company | Pharmaceutical compositions |
| US4645666A (en) * | 1982-06-08 | 1987-02-24 | The Regents Of The University Of California | Vaccine for bluetongue disease employing platinum compounds |
| IT1153974B (it) * | 1982-09-23 | 1987-01-21 | Erba Farmitalia | Composizioni farmacologiche a base di cisplatino e metodo per il loro ottenimento |
| DE3305248A1 (de) * | 1983-02-16 | 1984-08-16 | Degussa Ag, 6000 Frankfurt | Verfahren zur herstellung von reinem cis-platin-(ii)-diammin-dichlorid |
| US4699978A (en) * | 1985-01-18 | 1987-10-13 | The Trustees Of Columbia University In The City Of New York | Site-specific chiral ruthenium (II) and cobalt (III) antitumor agents |
| US4946689A (en) * | 1988-11-23 | 1990-08-07 | Bristol-Myers Company | Concentrated, stabilized cis-diamminedinitratoplatinum solutions for conversion to cisplatin |
| EP2266607A3 (en) | 1999-10-01 | 2011-04-20 | Immunogen, Inc. | Immunoconjugates for treating cancer |
| US20100034874A1 (en) * | 2006-12-08 | 2010-02-11 | Katayama Chemical Industries Co., Ltd. | Liposome encapsulating ammine-platinum complex at high concentration, and method for production of the liposome |
| CZ302618B6 (cs) | 2009-09-10 | 2011-08-03 | Univerzita Palackého | Cyklobutan-1,1-dikarboxylátokomplexy platiny s deriváty N6-benzyladeninu, zpusoby jejich prípravy a použití techto komplexu jako léciv v protinádorové terapii |
| RU2538895C2 (ru) * | 2013-02-18 | 2015-01-10 | Федеральное государственное бюджетное учреждение науки Институт неорганической химии им. А.В. Николаева Сибирского отделения Российской академии наук (ИНХ СО РАН) | Способ получения цис-дихлородиамминплатины (ii) |
| CN103739631A (zh) * | 2014-01-22 | 2014-04-23 | 上海金和生物技术有限公司 | 一种抗肿瘤药物卡铂的制备方法 |
| WO2016142199A1 (de) | 2015-03-06 | 2016-09-15 | Umicore Ag & Co. Kg | Metallorganische verbindung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4053587A (en) * | 1973-04-13 | 1977-10-11 | Research Corporation | Method of treating viral infections |
| US4079121A (en) * | 1974-12-13 | 1978-03-14 | Mobil Oil Corporation | Complexes of beta platinum chloride and ammonia |
| ES472342A1 (es) | 1978-08-04 | 1979-03-16 | Espanola Farma Therapeut | Procedimiento para la obtencion de un derivado diamonico |
-
1979
- 1979-08-16 US US06/065,553 patent/US4273755A/en not_active Expired - Lifetime
-
1980
- 1980-07-29 ZA ZA00804601A patent/ZA804601B/xx unknown
- 1980-07-30 AU AU60922/80A patent/AU6092280A/en not_active Abandoned
- 1980-08-06 CA CA000357698A patent/CA1156429A/en not_active Expired
- 1980-08-11 FI FI802521A patent/FI802521A/fi not_active Application Discontinuation
- 1980-08-12 AR AR282131A patent/AR227647A1/es active
- 1980-08-14 ES ES494267A patent/ES494267A0/es active Granted
- 1980-08-14 AT AT80302802T patent/ATE5874T1/de active
- 1980-08-14 DE DE8080302802T patent/DE3066179D1/de not_active Expired
- 1980-08-14 EP EP80302802A patent/EP0030782B1/en not_active Expired
- 1980-08-15 NO NO802440A patent/NO802440L/no unknown
- 1980-08-15 DK DK353980A patent/DK353980A/da not_active Application Discontinuation
- 1980-08-15 JP JP11260280A patent/JPS5654233A/ja active Pending
- 1980-08-16 IN IN933/CAL/80A patent/IN154936B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES8105682A1 (es) | 1981-06-16 |
| JPS5654233A (en) | 1981-05-14 |
| DE3066179D1 (en) | 1984-02-23 |
| CA1156429A (en) | 1983-11-08 |
| EP0030782A1 (en) | 1981-06-24 |
| FI802521A (fi) | 1981-02-17 |
| ZA804601B (en) | 1981-07-29 |
| IN154936B (fi) | 1984-12-22 |
| ATE5874T1 (de) | 1984-02-15 |
| ES494267A0 (es) | 1981-06-16 |
| AR227647A1 (es) | 1982-11-30 |
| AU6092280A (en) | 1981-02-19 |
| EP0030782B1 (en) | 1984-01-18 |
| DK353980A (da) | 1981-02-17 |
| US4273755A (en) | 1981-06-16 |
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