CA1096282A - Enzymatic reagent system for total cholesterol assay using oxygen rate method - Google Patents
Enzymatic reagent system for total cholesterol assay using oxygen rate methodInfo
- Publication number
- CA1096282A CA1096282A CA280,200A CA280200A CA1096282A CA 1096282 A CA1096282 A CA 1096282A CA 280200 A CA280200 A CA 280200A CA 1096282 A CA1096282 A CA 1096282A
- Authority
- CA
- Canada
- Prior art keywords
- reagent
- cholesterol
- sample
- sodium
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 115
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000001301 oxygen Substances 0.000 title claims abstract description 23
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 23
- 230000002255 enzymatic effect Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 23
- 238000008620 Cholesterol Assay Methods 0.000 title claims description 20
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 claims abstract description 90
- 235000012000 cholesterol Nutrition 0.000 claims abstract description 44
- 108010089254 Cholesterol oxidase Proteins 0.000 claims abstract description 32
- 108010055297 Sterol Esterase Proteins 0.000 claims abstract description 31
- 102000000019 Sterol Esterase Human genes 0.000 claims abstract description 31
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 31
- 239000003093 cationic surfactant Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 239000006172 buffering agent Substances 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 32
- 230000036284 oxygen consumption Effects 0.000 claims description 17
- 239000003833 bile salt Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000002736 nonionic surfactant Substances 0.000 claims description 8
- NRHMKIHPTBHXPF-TUJRSCDTSA-M sodium cholate Chemical compound [Na+].C([C@H]1C[C@H]2O)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC([O-])=O)C)[C@@]2(C)[C@@H](O)C1 NRHMKIHPTBHXPF-TUJRSCDTSA-M 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 125000002091 cationic group Chemical group 0.000 claims description 4
- 239000007853 buffer solution Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 claims description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 claims description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 2
- FBPZFZOIEHCYFT-UHFFFAOYSA-M [Cl-].C(CCCCCCCCCCC)[N+](CC1=CC=CC=C1)(C)C.[Na] Chemical compound [Cl-].C(CCCCCCCCCCC)[N+](CC1=CC=CC=C1)(C)C.[Na] FBPZFZOIEHCYFT-UHFFFAOYSA-M 0.000 claims 5
- VEANIEPQHQZYTA-UHFFFAOYSA-M [Cl-].C(CCCCCCCCCCCCC)[N+](CC1=CC=CC=C1)(C)C.[Na] Chemical compound [Cl-].C(CCCCCCCCCCCCC)[N+](CC1=CC=CC=C1)(C)C.[Na] VEANIEPQHQZYTA-UHFFFAOYSA-M 0.000 claims 5
- 230000003472 neutralizing effect Effects 0.000 claims 5
- QDJDLPHZHHIIHS-UHFFFAOYSA-M [Cl-].C(CCCCCCCCCCCCCCC)[N+](CC1=CC=CC=C1)(C)C.[Na] Chemical compound [Cl-].C(CCCCCCCCCCCCCCC)[N+](CC1=CC=CC=C1)(C)C.[Na] QDJDLPHZHHIIHS-UHFFFAOYSA-M 0.000 claims 4
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 230000001590 oxidative effect Effects 0.000 claims 2
- 229920006395 saturated elastomer Polymers 0.000 claims 2
- LFGXCISRGKSEMT-UHFFFAOYSA-N sodium benzyl-hexadecyl-dimethylazanium Chemical compound C(CCCCCCCCCCCCCCC)[N+](CC1=CC=CC=C1)(C)C.[Na+] LFGXCISRGKSEMT-UHFFFAOYSA-N 0.000 claims 1
- 229940107161 cholesterol Drugs 0.000 abstract description 32
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 150000001840 cholesterol esters Chemical class 0.000 abstract description 9
- 102000004190 Enzymes Human genes 0.000 abstract description 5
- 108090000790 Enzymes Proteins 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 14
- OCBHHZMJRVXXQK-UHFFFAOYSA-M benzyl-dimethyl-tetradecylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 OCBHHZMJRVXXQK-UHFFFAOYSA-M 0.000 description 8
- 229960002163 hydrogen peroxide Drugs 0.000 description 7
- 239000013504 Triton X-100 Substances 0.000 description 6
- 229920004890 Triton X-100 Polymers 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N EtOH Substances CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 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 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000000470 constituent Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- GKQHIYSTBXDYNQ-UHFFFAOYSA-M 1-dodecylpyridin-1-ium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+]1=CC=CC=C1 GKQHIYSTBXDYNQ-UHFFFAOYSA-M 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 2
- 108090000371 Esterases Proteins 0.000 description 2
- 239000007836 KH2PO4 Substances 0.000 description 2
- NYOXRYYXRWJDKP-GYKMGIIDSA-N cholest-4-en-3-one Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 NYOXRYYXRWJDKP-GYKMGIIDSA-N 0.000 description 2
- NYOXRYYXRWJDKP-UHFFFAOYSA-N cholestenone Natural products C1CC2=CC(=O)CCC2(C)C2C1C1CCC(C(C)CCCC(C)C)C1(C)CC2 NYOXRYYXRWJDKP-UHFFFAOYSA-N 0.000 description 2
- 238000004925 denaturation Methods 0.000 description 2
- 230000036425 denaturation Effects 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 description 2
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- -1 sodium citrate Chemical compound 0.000 description 2
- JAJWGJBVLPIOOH-IZYKLYLVSA-M sodium taurocholate Chemical compound [Na+].C([C@H]1C[C@H]2O)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(=O)NCCS([O-])(=O)=O)C)[C@@]2(C)[C@@H](O)C1 JAJWGJBVLPIOOH-IZYKLYLVSA-M 0.000 description 2
- 150000003626 triacylglycerols Chemical class 0.000 description 2
- DYOYZIQFSQMFDA-UHFFFAOYSA-N 1-octadecyl-4,5-dihydro-1h-imidazol-1-ium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[NH+]1CCN=C1 DYOYZIQFSQMFDA-UHFFFAOYSA-N 0.000 description 1
- AJUAZEGSIWKMPI-UHFFFAOYSA-N 1-octadecyl-4,5-dihydroimidazole Chemical compound CCCCCCCCCCCCCCCCCCN1CCN=C1 AJUAZEGSIWKMPI-UHFFFAOYSA-N 0.000 description 1
- UIMGHSAOLFTOBF-UHFFFAOYSA-N 10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,6,7,8,9,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-3-ol Chemical compound C1CC2=CC(O)CCC2(C)C2C1C1CCC(C(C)CCCC(C)C)C1(C)CC2 UIMGHSAOLFTOBF-UHFFFAOYSA-N 0.000 description 1
- MSJLMQTXVKCUCD-UHFFFAOYSA-M 2-dodecylisoquinolin-2-ium;bromide Chemical compound [Br-].C1=CC=CC2=C[N+](CCCCCCCCCCCC)=CC=C21 MSJLMQTXVKCUCD-UHFFFAOYSA-M 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- 108090000854 Oxidoreductases Proteins 0.000 description 1
- 102000004316 Oxidoreductases Human genes 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- FBPFZTCFMRRESA-NQAPHZHOSA-N Sorbitol Polymers OCC(O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-NQAPHZHOSA-N 0.000 description 1
- 159000000021 acetate salts Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- UREZNYTWGJKWBI-UHFFFAOYSA-M benzethonium chloride Chemical compound [Cl-].C1=CC(C(C)(C)CC(C)(C)C)=CC=C1OCCOCC[N+](C)(C)CC1=CC=CC=C1 UREZNYTWGJKWBI-UHFFFAOYSA-M 0.000 description 1
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 description 1
- 210000000941 bile Anatomy 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- 229910000396 dipotassium phosphate Inorganic materials 0.000 description 1
- 235000019797 dipotassium phosphate Nutrition 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- ATADHKWKHYVBTJ-UHFFFAOYSA-N hydron;4-[1-hydroxy-2-(methylamino)ethyl]benzene-1,2-diol;chloride Chemical compound Cl.CNCC(O)C1=CC=C(O)C(O)=C1 ATADHKWKHYVBTJ-UHFFFAOYSA-N 0.000 description 1
- SMWDFEZZVXVKRB-UHFFFAOYSA-O hydron;quinoline Chemical group [NH+]1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-O 0.000 description 1
- IBDXZWQCLMSDKQ-FDXOKOSPSA-N i-cholesterol Chemical compound C([C@H]1[C@@H]2CC[C@@H]([C@]2(CC[C@@H]1[C@@]1(C)CC2)C)[C@H](C)CCCC(C)C)[C@@H](O)[C@@]31[C@H]2C3 IBDXZWQCLMSDKQ-FDXOKOSPSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007430 reference method Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 108010080511 serum sodium transport inhibitor Proteins 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- WBWWGRHZICKQGZ-HZAMXZRMSA-N taurocholic acid Chemical compound C([C@H]1C[C@H]2O)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(=O)NCCS(O)(=O)=O)C)[C@@]2(C)[C@@H](O)C1 WBWWGRHZICKQGZ-HZAMXZRMSA-N 0.000 description 1
- AWDRATDZQPNJFN-VAYUFCLWSA-N taurodeoxycholic acid Chemical compound C([C@H]1CC2)[C@H](O)CC[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@H]([C@@H](CCC(=O)NCCS(O)(=O)=O)C)[C@@]2(C)[C@@H](O)C1 AWDRATDZQPNJFN-VAYUFCLWSA-N 0.000 description 1
- YFYABWXIJBTAAM-UHFFFAOYSA-M trimethyl(2-phenyltetradecan-2-yl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCC(C)([N+](C)(C)C)C1=CC=CC=C1 YFYABWXIJBTAAM-UHFFFAOYSA-M 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/60—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving cholesterol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Biotechnology (AREA)
- Biophysics (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70191976A | 1976-07-01 | 1976-07-01 | |
| US701,919 | 1976-07-01 | ||
| US05/778,919 US4161425A (en) | 1976-07-01 | 1977-03-18 | Enzymatic reagent system for total cholesterol assay using oxygen-rate method |
| US778,919 | 1977-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1096282A true CA1096282A (en) | 1981-02-24 |
Family
ID=27106866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA280,200A Expired CA1096282A (en) | 1976-07-01 | 1977-06-09 | Enzymatic reagent system for total cholesterol assay using oxygen rate method |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS587280B2 (en:Method) |
| CA (1) | CA1096282A (en:Method) |
| CH (1) | CH623935A5 (en:Method) |
| DE (1) | DE2729124B2 (en:Method) |
| FR (1) | FR2356937A1 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0878B2 (ja) * | 1989-06-09 | 1996-01-10 | 和光純薬工業株式会社 | 体液成分の測定方法 |
-
1977
- 1977-06-09 CA CA280,200A patent/CA1096282A/en not_active Expired
- 1977-06-23 FR FR7719322A patent/FR2356937A1/fr active Granted
- 1977-06-24 CH CH778177A patent/CH623935A5/fr not_active IP Right Cessation
- 1977-06-28 JP JP7624477A patent/JPS587280B2/ja not_active Expired
- 1977-06-28 DE DE19772729124 patent/DE2729124B2/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JPS587280B2 (ja) | 1983-02-09 |
| FR2356937A1 (fr) | 1978-01-27 |
| FR2356937B1 (en:Method) | 1983-02-25 |
| CH623935A5 (en) | 1981-06-30 |
| DE2729124A1 (de) | 1978-02-02 |
| DE2729124B2 (de) | 1980-08-21 |
| JPS533890A (en) | 1978-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |