BG60346B2 - Метод за получаване на z-2-ациламино-3-монозаместени пропеноати - Google Patents
Метод за получаване на z-2-ациламино-3-монозаместени пропеноати Download PDFInfo
- Publication number
- BG60346B2 BG60346B2 BG044425A BG4442579A BG60346B2 BG 60346 B2 BG60346 B2 BG 60346B2 BG 044425 A BG044425 A BG 044425A BG 4442579 A BG4442579 A BG 4442579A BG 60346 B2 BG60346 B2 BG 60346B2
- Authority
- BG
- Bulgaria
- Prior art keywords
- acid
- dimethylcyclopropanecarboxamido
- water
- substituted
- hydrogen
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
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- BAHTURJKAVRJIU-UHFFFAOYSA-N N,N,N',N'-tetramethylethane-1,2-diamine hydrate Chemical compound [OH-].CN(C)CC[NH+](C)C BAHTURJKAVRJIU-UHFFFAOYSA-N 0.000 description 1
- PRPNUZWHFGSGRV-UHFFFAOYSA-N N-Acetyldehydrothienamycin Natural products C1C(SC=CNC(C)=O)=C(C(O)=O)N2C(=O)C(C(O)C)C21 PRPNUZWHFGSGRV-UHFFFAOYSA-N 0.000 description 1
- VUDXUIMGYZQRKK-GTNGPMTGSA-N N-Acetylthienamycin Chemical compound C1C(SCCNC(C)=O)=C(C(O)=O)N2C(=O)[C@H]([C@H](O)C)[C@H]21 VUDXUIMGYZQRKK-GTNGPMTGSA-N 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 125000003047 N-acetyl group Chemical group 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- HEMHJVSKTPXQMS-DYCDLGHISA-M Sodium hydroxide-d Chemical compound [Na+].[2H][O-] HEMHJVSKTPXQMS-DYCDLGHISA-M 0.000 description 1
- 206010041925 Staphylococcal infections Diseases 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 1
- 125000000783 acetimidoyl group Chemical group C(C)(=N)* 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- ZUDYPQRUOYEARG-UHFFFAOYSA-L barium(2+);dihydroxide;octahydrate Chemical compound O.O.O.O.O.O.O.O.[OH-].[OH-].[Ba+2] ZUDYPQRUOYEARG-UHFFFAOYSA-L 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- LSNKBVFMXFAUOF-UHFFFAOYSA-N benzyl methanimidate;hydrochloride Chemical compound Cl.N=COCC1=CC=CC=C1 LSNKBVFMXFAUOF-UHFFFAOYSA-N 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 150000001780 cephalosporins Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- LOUPRKONTZGTKE-UHFFFAOYSA-N cinchonine Natural products C1C(C(C2)C=C)CCN2C1C(O)C1=CC=NC2=CC=C(OC)C=C21 LOUPRKONTZGTKE-UHFFFAOYSA-N 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 229940125773 compound 10 Drugs 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 229920006038 crystalline resin Polymers 0.000 description 1
- 125000000151 cysteine group Chemical group N[C@@H](CS)C(=O)* 0.000 description 1
- ZZTURJAZCMUWEP-UHFFFAOYSA-N diaminomethylideneazanium;hydrogen sulfate Chemical compound NC(N)=N.OS(O)(=O)=O ZZTURJAZCMUWEP-UHFFFAOYSA-N 0.000 description 1
- SPWVRYZQLGQKGK-UHFFFAOYSA-N dichloromethane;hexane Chemical compound ClCCl.CCCCCC SPWVRYZQLGQKGK-UHFFFAOYSA-N 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- OAYLNYINCPYISS-UHFFFAOYSA-N ethyl acetate;hexane Chemical compound CCCCCC.CCOC(C)=O OAYLNYINCPYISS-UHFFFAOYSA-N 0.000 description 1
- OAMZXMDZZWGPMH-UHFFFAOYSA-N ethyl acetate;toluene Chemical compound CCOC(C)=O.CC1=CC=CC=C1 OAMZXMDZZWGPMH-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000004005 formimidoyl group Chemical group [H]\N=C(/[H])* 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 125000002795 guanidino group Chemical group C(N)(=N)N* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000000099 in vitro assay Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- HHQJWDKIRXRTLS-UHFFFAOYSA-N n'-bromobutanediamide Chemical compound NC(=O)CCC(=O)NBr HHQJWDKIRXRTLS-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 150000002960 penicillins Chemical class 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000012746 preparative thin layer chromatography Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 229960000948 quinine Drugs 0.000 description 1
- 229960001811 quinine hydrochloride Drugs 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000004793 spatially offset Raman spectroscopy Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical class C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- QERYCTSHXKAMIS-UHFFFAOYSA-N thiophene-2-carboxylic acid Chemical compound OC(=O)C1=CC=CS1 QERYCTSHXKAMIS-UHFFFAOYSA-N 0.000 description 1
- 230000036325 urinary excretion Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/10—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/16—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- 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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D477/00—Heterocyclic compounds containing 1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbapenicillins, thienamycins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulphur-containing hetero ring
- C07D477/02—Preparation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Furan Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Detergent Compositions (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US92721278A | 1978-07-24 | 1978-07-24 | |
| US5023379A | 1979-06-22 | 1979-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG60346B2 true BG60346B2 (bg) | 1994-09-30 |
Family
ID=26728044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG044425A BG60346B2 (bg) | 1978-07-24 | 1979-07-23 | Метод за получаване на z-2-ациламино-3-монозаместени пропеноати |
Country Status (28)
| Country | Link |
|---|---|
| EP (1) | EP0010573B1 (da) |
| JP (1) | JPS63295540A (da) |
| KR (1) | KR850000425B1 (da) |
| AT (1) | ATE5070T1 (da) |
| AU (1) | AU527772B2 (da) |
| BG (1) | BG60346B2 (da) |
| CA (1) | CA1161058A (da) |
| CZ (1) | CZ280564B6 (da) |
| DE (1) | DE2966328D1 (da) |
| DK (1) | DK157399C (da) |
| EG (1) | EG13961A (da) |
| ES (2) | ES482773A1 (da) |
| FI (1) | FI76069C (da) |
| GR (1) | GR70699B (da) |
| HK (1) | HK5085A (da) |
| HU (1) | HU182531B (da) |
| IE (1) | IE49182B1 (da) |
| IL (1) | IL57797A (da) |
| MA (1) | MA18534A1 (da) |
| NZ (1) | NZ190994A (da) |
| PH (1) | PH16708A (da) |
| PL (2) | PL131618B1 (da) |
| PT (1) | PT69954B (da) |
| RO (2) | RO78106A (da) |
| SG (1) | SG65484G (da) |
| SU (1) | SU1213983A3 (da) |
| YU (2) | YU43455B (da) |
| ZW (1) | ZW13379A1 (da) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4880793A (en) * | 1978-07-24 | 1989-11-14 | Merck & Co., Inc. | Combination of thienamycin-type antibiotics with dipeptidase inhibitors |
| PT73640B (en) * | 1980-09-17 | 1983-10-19 | Merck & Co Inc | Process for preparing chemical compounds selectively inhibit the metabolism of dipeptidase |
| EP0048025B1 (en) * | 1980-09-17 | 1986-01-15 | Merck & Co. Inc. | Antibacterial composition of thienamycin type compound and a dipeptidase inhibitor |
| JPS58170479A (ja) * | 1982-03-30 | 1983-10-07 | Sanraku Inc | ジペプチダ−ゼ阻害剤 |
| JPS58174345A (ja) * | 1982-04-06 | 1983-10-13 | Sumitomo Chem Co Ltd | 光学活性２，２−ジメチルシクロプロパン−１−カルボン酸ハライドのラセミ化方法 |
| US4798842A (en) * | 1984-07-18 | 1989-01-17 | Schering Corporation | Inhibitors of slow reacting substance of anaphylaxis |
| DE3508564A1 (de) * | 1985-03-11 | 1986-09-11 | Degussa Ag, 6000 Frankfurt | Verfahren zur herstellung von n-acyl-2, 3-dehydroaminocarbonsaeureestern |
| US4739113A (en) * | 1986-05-30 | 1988-04-19 | Merck & Co., Inc. | Bis(cyclopropanecarboxamido)alkadienedioic acids as renal dipeptidase inhibitors |
| CA2052730A1 (en) | 1990-10-11 | 1992-04-12 | Frank P. Dininno | 2-(substituted-dibenzofuranyl and dibenzothienyl) carbapenem antibacterial agents |
| EP0497353B1 (en) * | 1991-02-01 | 2002-05-08 | Suntory Limited | Use of cilastatin, glutathione or N-acetyl-L-cysteine for the preparation of a medicament for the improvement of gastrointestinal absorption of penem or carbapenem antibiotics |
| WO2012147941A1 (ja) | 2011-04-28 | 2012-11-01 | 味の素株式会社 | 液体洗浄剤組成物 |
| PL442220A1 (pl) | 2022-09-07 | 2024-03-11 | Politechnika Wrocławska | Sposób i układ do wytwarzania nawozu mikroelementowego |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2449191A (en) * | 1945-08-24 | 1948-09-14 | Lilly Co Eli | Phenacetylaminomethylcrotonic acid |
| US2569801A (en) * | 1947-02-12 | 1951-10-02 | American Cyanamid Co | Preparation of azlactones of phenylacetamino acrylic acids |
| US2622074A (en) | 1949-12-09 | 1952-12-16 | Eastman Kodak Co | Salts of alpha-acylamido and alpha-alkoxycarbonamido acrylic acids |
| BE664781A (da) | 1964-06-01 | |||
| GB1260847A (en) | 1968-12-06 | 1972-01-19 | Nat Res Dev | Esters of cyclopropane carboxylic acids |
| US3950357A (en) * | 1974-11-25 | 1976-04-13 | Merck & Co., Inc. | Antibiotics |
| DK143713C (da) | 1975-11-21 | 1982-03-08 | Merck & Co Inc | Fremgangsmaade til fremstilling af et antibiotisk stof n-acetyl-thienamycin og salte deraf |
| DK143712C (da) | 1975-11-21 | 1982-03-22 | Merck & Co Inc | Fremgangsmaade til fremstilling af de antibiotiske stoffer 890a1 og 890a3 |
| CS226166B2 (cs) | 1975-11-21 | 1984-03-19 | Merck & Co Inc | Způsob přípravy derivátů thienamycinu |
| DK497476A (da) | 1975-11-24 | 1977-05-25 | Merck & Co Inc | Fremgangsmade til fremstilling af et antibiotisk stof |
| US4070477A (en) | 1975-12-08 | 1978-01-24 | Ciba-Geigy Corporation | 2-Penem compounds |
| DK487877A (da) | 1976-11-17 | 1978-05-18 | Merck & Co Inc | Fremgangsmaade til fremstilling af et antibiotisk stof |
| NL7712092A (nl) | 1976-11-17 | 1978-05-19 | Merck & Co Inc | Werkwijze ter bereiding van een nieuw antibiotisch middel. |
| GB1593524A (en) | 1976-11-19 | 1981-07-15 | Merck & Co Inc | 1-carba-2-penem-3-carboxylic acids |
| SE7800979L (sv) | 1977-02-11 | 1978-08-12 | Merck & Co Inc | Antibiotikum |
| SE7800978L (sv) | 1977-02-11 | 1978-08-12 | Merck & Co Inc | Antibiotikum |
| JPS604719B2 (ja) | 1977-03-31 | 1985-02-06 | メルシャン株式会社 | β‐ラクタマーゼ阻害活性を有する抗生物質ＰＳ―５の製造方法 |
| US4162323A (en) | 1977-04-18 | 1979-07-24 | Merck & Co., Inc. | Antibiotic N-acetyl-dehydro-thienamycin |
| BE867227A (fr) | 1977-10-31 | 1978-11-20 | Merck & Co Inc | Preparation de l'acide 6-(alpha-hydroxyethyl)-7-oxo-1-azabicyclo (3,2,0) hept-2-ene-carboxylique et derives a activite antibiotique |
-
1979
- 1979-07-12 NZ NZ190994A patent/NZ190994A/xx unknown
- 1979-07-12 PH PH22772A patent/PH16708A/en unknown
- 1979-07-13 IL IL57797A patent/IL57797A/xx unknown
- 1979-07-16 ZW ZW133/79A patent/ZW13379A1/xx unknown
- 1979-07-16 AU AU48933/79A patent/AU527772B2/en not_active Expired
- 1979-07-20 GR GR59657A patent/GR70699B/el unknown
- 1979-07-20 MA MA18731A patent/MA18534A1/fr unknown
- 1979-07-20 PT PT69954A patent/PT69954B/pt unknown
- 1979-07-20 FI FI792281A patent/FI76069C/fi not_active IP Right Cessation
- 1979-07-21 RO RO7998237A patent/RO78106A/ro unknown
- 1979-07-21 RO RO105742A patent/RO83292B/ro unknown
- 1979-07-23 CZ CS795136A patent/CZ280564B6/cs unknown
- 1979-07-23 HU HU79ME2287A patent/HU182531B/hu unknown
- 1979-07-23 DK DK309879A patent/DK157399C/da not_active IP Right Cessation
- 1979-07-23 YU YU1788/79A patent/YU43455B/xx unknown
- 1979-07-23 BG BG044425A patent/BG60346B2/bg unknown
- 1979-07-23 ES ES482773A patent/ES482773A1/es not_active Expired
- 1979-07-24 EG EG444/79A patent/EG13961A/xx active
- 1979-07-24 DE DE7979102616T patent/DE2966328D1/de not_active Expired
- 1979-07-24 KR KR7902483A patent/KR850000425B1/ko active
- 1979-07-24 CA CA000332407A patent/CA1161058A/en not_active Expired
- 1979-07-24 EP EP79102616A patent/EP0010573B1/en not_active Expired
- 1979-07-24 PL PL1979225939A patent/PL131618B1/pl unknown
- 1979-07-24 AT AT79102616T patent/ATE5070T1/de active
- 1979-07-24 PL PL1979217327A patent/PL125506B1/pl unknown
- 1979-08-08 IE IE1387/79A patent/IE49182B1/en not_active IP Right Cessation
-
1980
- 1980-06-18 ES ES492553A patent/ES8106132A1/es not_active Expired
-
1981
- 1981-08-05 SU SU813444852A patent/SU1213983A3/ru active
-
1983
- 1983-01-18 YU YU101/83A patent/YU43144B/xx unknown
-
1984
- 1984-09-11 SG SG654/84A patent/SG65484G/en unknown
-
1985
- 1985-01-17 HK HK50/85A patent/HK5085A/xx not_active IP Right Cessation
-
1988
- 1988-05-09 JP JP63110622A patent/JPS63295540A/ja active Granted
Also Published As
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