KR860000450B1 - α-6-데옥씨-5-하이드록씨 테트라 싸이클린과 소듐 테트라메타포스 페이트의 수용성 복합체의 제조방법 - Google Patents
α-6-데옥씨-5-하이드록씨 테트라 싸이클린과 소듐 테트라메타포스 페이트의 수용성 복합체의 제조방법 Download PDFInfo
- Publication number
- KR860000450B1 KR860000450B1 KR1019810004468A KR810004468A KR860000450B1 KR 860000450 B1 KR860000450 B1 KR 860000450B1 KR 1019810004468 A KR1019810004468 A KR 1019810004468A KR 810004468 A KR810004468 A KR 810004468A KR 860000450 B1 KR860000450 B1 KR 860000450B1
- Authority
- KR
- South Korea
- Prior art keywords
- deoxy
- water
- complex
- hpo
- complexes
- Prior art date
Links
- SGKRLCUYIXIAHR-AKNGSSGZSA-N (4s,4ar,5s,5ar,6r,12ar)-4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4h-tetracene-2-carboxamide Chemical compound C1=CC=C2[C@H](C)[C@@H]([C@H](O)[C@@H]3[C@](C(O)=C(C(N)=O)C(=O)[C@H]3N(C)C)(O)C3=O)C3=C(O)C2=C1O SGKRLCUYIXIAHR-AKNGSSGZSA-N 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 title claims description 14
- 238000002360 preparation method Methods 0.000 title description 4
- UDEJEOLNSNYQSX-UHFFFAOYSA-J tetrasodium;2,4,6,8-tetraoxido-1,3,5,7,2$l^{5},4$l^{5},6$l^{5},8$l^{5}-tetraoxatetraphosphocane 2,4,6,8-tetraoxide Chemical class [Na+].[Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)O1 UDEJEOLNSNYQSX-UHFFFAOYSA-J 0.000 title description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 24
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 claims description 11
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 10
- 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 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 241001460678 Napo <wasp> Species 0.000 claims description 5
- WSWCOQWTEOXDQX-MQQKCMAXSA-M (E,E)-sorbate Chemical compound C\C=C\C=C\C([O-])=O WSWCOQWTEOXDQX-MQQKCMAXSA-M 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 229940075554 sorbate Drugs 0.000 claims description 4
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 4
- YDHWWBZFRZWVHO-UHFFFAOYSA-H [oxido-[oxido(phosphonatooxy)phosphoryl]oxyphosphoryl] phosphate Chemical class [O-]P([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O YDHWWBZFRZWVHO-UHFFFAOYSA-H 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- -1 α-6-deoxy-5-hydroxy tetracycline monohydrate Chemical class 0.000 claims 5
- 239000002253 acid Substances 0.000 claims 2
- 230000003472 neutralizing effect Effects 0.000 claims 2
- GRONZTPUWOOUFQ-UHFFFAOYSA-M sodium;methanol;hydroxide Chemical compound [OH-].[Na+].OC GRONZTPUWOOUFQ-UHFFFAOYSA-M 0.000 claims 2
- 238000007865 diluting Methods 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 239000002594 sorbent Substances 0.000 claims 1
- 210000002966 serum Anatomy 0.000 abstract description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 9
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000002775 capsule Substances 0.000 abstract description 3
- GIXFALHDORQSOQ-UHFFFAOYSA-J 2,4,6,8-tetraoxido-1,3,5,7,2$l^{5},4$l^{5},6$l^{5},8$l^{5}-tetraoxatetraphosphocane 2,4,6,8-tetraoxide Chemical compound [O-]P1(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)O1 GIXFALHDORQSOQ-UHFFFAOYSA-J 0.000 abstract 1
- 239000003899 bactericide agent Substances 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- FZKWRPSUNUOXKJ-CVHRZJFOSA-N (4s,4ar,5s,5ar,6r,12ar)-4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4h-tetracene-2-carboxamide;hydrate Chemical compound O.C1=CC=C2[C@H](C)[C@@H]([C@H](O)[C@@H]3[C@](C(O)=C(C(N)=O)C(=O)[C@H]3N(C)C)(O)C3=O)C3=C(O)C2=C1O FZKWRPSUNUOXKJ-CVHRZJFOSA-N 0.000 description 25
- 229960003722 doxycycline Drugs 0.000 description 22
- 239000004098 Tetracycline Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 229960002180 tetracycline Drugs 0.000 description 8
- 229930101283 tetracycline Natural products 0.000 description 8
- 235000019364 tetracycline Nutrition 0.000 description 8
- 150000003522 tetracyclines Chemical class 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 230000000845 anti-microbial effect Effects 0.000 description 4
- PTNZGHXUZDHMIQ-UHFFFAOYSA-N 4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4h-tetracene-2-carboxamide;hydrochloride Chemical compound Cl.C1=CC=C2C(C)C(C(O)C3C(C(O)=C(C(N)=O)C(=O)C3N(C)C)(O)C3=O)C3=C(O)C2=C1O PTNZGHXUZDHMIQ-UHFFFAOYSA-N 0.000 description 3
- 229960004082 doxycycline hydrochloride Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229940005740 hexametaphosphate Drugs 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000004599 antimicrobial Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 2
- FUKUFMFMCZIRNT-UHFFFAOYSA-N hydron;methanol;chloride Chemical compound Cl.OC FUKUFMFMCZIRNT-UHFFFAOYSA-N 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 150000003385 sodium Chemical class 0.000 description 2
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000001953 Hypotension Diseases 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
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- DHAHRLDIUIPTCJ-UHFFFAOYSA-K aluminium metaphosphate Chemical compound [Al+3].[O-]P(=O)=O.[O-]P(=O)=O.[O-]P(=O)=O DHAHRLDIUIPTCJ-UHFFFAOYSA-K 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229960004434 doxycycline monohydrate Drugs 0.000 description 1
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 230000002218 hypoglycaemic effect Effects 0.000 description 1
- 230000036543 hypotension Effects 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- ORVLUIMCZUPAPB-LBTQIPEASA-M sodium (4S,4aS,5aS,6S,12aR)-4-(dimethylamino)-1,6,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4,4a,5,5a-tetrahydrotetracene-2-carboxamide dioxido(oxo)phosphanium phosphenic acid Chemical compound [Na+].O[P+]([O-])=O.O[P+]([O-])=O.O[P+]([O-])=O.O[P+]([O-])=O.O[P+]([O-])=O.[O-][P+]([O-])=O.CN(C)[C@H]1[C@@H]2C[C@H]3C(=C(O)c4c(O)cccc4[C@@]3(C)O)C(=O)[C@]2(O)C(O)=C(C(N)=O)C1=O.CN(C)[C@H]1[C@@H]2C[C@H]3C(=C(O)c4c(O)cccc4[C@@]3(C)O)C(=O)[C@]2(O)C(O)=C(C(N)=O)C1=O.CN(C)[C@H]1[C@@H]2C[C@H]3C(=C(O)c4c(O)cccc4[C@@]3(C)O)C(=O)[C@]2(O)C(O)=C(C(N)=O)C1=O.CN(C)[C@H]1[C@@H]2C[C@H]3C(=C(O)c4c(O)cccc4[C@@]3(C)O)C(=O)[C@]2(O)C(O)=C(C(N)=O)C1=O.CN(C)[C@H]1[C@@H]2C[C@H]3C(=C(O)c4c(O)cccc4[C@@]3(C)O)C(=O)[C@]2(O)C(O)=C(C(N)=O)C1=O ORVLUIMCZUPAPB-LBTQIPEASA-M 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/16—Amides, e.g. hydroxamic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/65—Tetracyclines
-
- 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
- A61K33/42—Phosphorus; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
- C07C237/24—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring of the carbon skeleton
- C07C237/26—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring of the carbon skeleton of a ring being part of a condensed ring system formed by at least four rings, e.g. tetracycline
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F1/00—Compounds containing elements of Groups 1 or 11 of the Periodic Table
- C07F1/04—Sodium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Inorganic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PT72,107 | 1980-11-25 | ||
| PT72107A PT72107B (fr) | 1980-11-25 | 1980-11-25 | Procede de preparation d'un complexe hydrosoluble de alpha-6-dioxi-5-hydroxitetracycline et de tetrametaphosphate desodium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR830007076A KR830007076A (ko) | 1983-10-14 |
| KR860000450B1 true KR860000450B1 (ko) | 1986-04-26 |
Family
ID=20082809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019810004468A KR860000450B1 (ko) | 1980-11-25 | 1981-11-19 | α-6-데옥씨-5-하이드록씨 테트라 싸이클린과 소듐 테트라메타포스 페이트의 수용성 복합체의 제조방법 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS57116033A (es) |
| KR (1) | KR860000450B1 (es) |
| AU (1) | AU543041B2 (es) |
| BE (1) | BE891236A (es) |
| DE (1) | DE3146279A1 (es) |
| ES (1) | ES8302629A1 (es) |
| FR (1) | FR2494685A1 (es) |
| GB (1) | GB2088864B (es) |
| HK (1) | HK10687A (es) |
| NL (1) | NL190067C (es) |
| PH (1) | PH20236A (es) |
| PT (1) | PT72107B (es) |
| ZA (1) | ZA817804B (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5538954A (en) * | 1994-06-24 | 1996-07-23 | A/S Dumex (Dumex Ltd.) | Salts of tetracyclines |
| CN103040773A (zh) | 2003-07-25 | 2013-04-17 | 沃纳奇尔科特有限责任公司 | 多西环素金属络合物固体剂型 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE568762A (es) * | ||||
| DE1068701B (de) * | 1959-11-12 | Bristol Laboratories Inc., East Syracuse, N. Y. (V. St. A.) | Verfahren zur Herstellung von antibiotisch wirksamem Tetracyclinnatriumhexametaphosphat | |
| US2791609A (en) * | 1956-09-27 | 1957-05-07 | Murray A Kaplan | Tetracycline metallo-phosphate complexes and method preparation |
| US2795528A (en) * | 1956-10-24 | 1957-06-11 | Frank H Buckwalter | Therapeutic composition containing a tetracycline and a phosphate other than orthophosphate |
| US3053892A (en) * | 1960-04-27 | 1962-09-11 | American Cyanamid Co | Metaphosphoric acid complexes of tetracycline and its analogs |
| US3068264A (en) * | 1961-06-06 | 1962-12-11 | American Cyanamid Co | Tetracycline antibiotic-aluminumphosphoric acid complexes |
| GB1180701A (en) * | 1967-06-23 | 1970-02-11 | Pfizer & Co C | Process for Purifying Tetracycline Antibiotics with Phosphate Salts |
| ES396132A1 (es) * | 1970-10-30 | 1972-12-01 | Villax | Proceso de preparacion de los complejos del acido metafos- forico de la alfa-6-deoxi-5-hidroxitetraciclina y las sales alcali-metalicas de los mismos. |
| JPS5745215A (en) * | 1980-09-01 | 1982-03-15 | Toshiba Corp | Molding device of iron plate for wound core |
-
1980
- 1980-11-25 PT PT72107A patent/PT72107B/pt unknown
-
1981
- 1981-11-11 ZA ZA817804A patent/ZA817804B/xx unknown
- 1981-11-18 AU AU77612/81A patent/AU543041B2/en not_active Ceased
- 1981-11-19 ES ES507293A patent/ES8302629A1/es not_active Expired
- 1981-11-19 KR KR1019810004468A patent/KR860000450B1/ko active
- 1981-11-20 PH PH26527A patent/PH20236A/en unknown
- 1981-11-21 DE DE19813146279 patent/DE3146279A1/de not_active Withdrawn
- 1981-11-23 FR FR8121887A patent/FR2494685A1/fr active Granted
- 1981-11-24 JP JP56187068A patent/JPS57116033A/ja active Pending
- 1981-11-24 NL NLAANVRAGE8105309,A patent/NL190067C/xx not_active IP Right Cessation
- 1981-11-24 BE BE0/206644A patent/BE891236A/fr not_active IP Right Cessation
- 1981-11-25 GB GB8135611A patent/GB2088864B/en not_active Expired
-
1987
- 1987-01-28 HK HK106/87A patent/HK10687A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3146279A1 (de) | 1982-08-19 |
| NL190067B (nl) | 1993-05-17 |
| JPS57116033A (en) | 1982-07-19 |
| PT72107A (fr) | 1980-12-01 |
| ES507293A0 (es) | 1983-02-01 |
| AU543041B2 (en) | 1985-03-28 |
| PT72107B (fr) | 1981-10-28 |
| HK10687A (en) | 1987-02-06 |
| FR2494685A1 (fr) | 1982-05-28 |
| GB2088864A (en) | 1982-06-16 |
| AU7761281A (en) | 1982-06-03 |
| PH20236A (en) | 1986-11-10 |
| NL8105309A (nl) | 1982-06-16 |
| BE891236A (fr) | 1982-05-24 |
| KR830007076A (ko) | 1983-10-14 |
| GB2088864B (en) | 1984-09-12 |
| ES8302629A1 (es) | 1983-02-01 |
| NL190067C (nl) | 1993-10-18 |
| ZA817804B (en) | 1982-12-29 |
| FR2494685B1 (es) | 1985-02-01 |
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