CA1071535A - Method for enzyme immunoassay of progesterone - Google Patents
Method for enzyme immunoassay of progesteroneInfo
- Publication number
- CA1071535A CA1071535A CA237,476A CA237476A CA1071535A CA 1071535 A CA1071535 A CA 1071535A CA 237476 A CA237476 A CA 237476A CA 1071535 A CA1071535 A CA 1071535A
- Authority
- CA
- Canada
- Prior art keywords
- progesterone
- antibody
- enzyme
- derivative
- galactosidase
- 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
- RJKFOVLPORLFTN-LEKSSAKUSA-N Progesterone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 RJKFOVLPORLFTN-LEKSSAKUSA-N 0.000 title claims abstract description 142
- 229960003387 progesterone Drugs 0.000 title claims abstract description 72
- 239000000186 progesterone Substances 0.000 title claims abstract description 72
- 102000004190 Enzymes Human genes 0.000 title claims abstract description 47
- 108090000790 Enzymes Proteins 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000003018 immunoassay Methods 0.000 title claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 25
- 238000010168 coupling process Methods 0.000 claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 claims abstract description 25
- 239000003418 antiprogestin Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 230000003623 progesteronic effect Effects 0.000 claims abstract description 20
- 210000002966 serum Anatomy 0.000 claims abstract description 16
- 239000007790 solid phase Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000001556 precipitation Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 150000003145 progesterone derivatives Chemical class 0.000 claims abstract description 4
- 230000002860 competitive effect Effects 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 150000001718 carbodiimides Chemical class 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- 239000011541 reaction mixture Substances 0.000 claims description 2
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims 1
- 239000004472 Lysine Substances 0.000 claims 1
- 230000003213 activating effect Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000008569 process Effects 0.000 description 11
- 239000000872 buffer Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 239000000427 antigen Substances 0.000 description 8
- 102000036639 antigens Human genes 0.000 description 8
- 108091007433 antigens Proteins 0.000 description 8
- 238000010790 dilution Methods 0.000 description 8
- 239000012895 dilution Substances 0.000 description 8
- 238000003556 assay Methods 0.000 description 6
- 235000018102 proteins Nutrition 0.000 description 6
- 102000004169 proteins and genes Human genes 0.000 description 6
- 108090000623 proteins and genes Proteins 0.000 description 6
- 230000002532 anti-gammaglobulin Effects 0.000 description 5
- 230000002285 radioactive effect Effects 0.000 description 5
- PQSUYGKTWSAVDQ-ZVIOFETBSA-N Aldosterone Chemical compound C([C@@]1([C@@H](C(=O)CO)CC[C@H]1[C@@H]1CC2)C=O)[C@H](O)[C@@H]1[C@]1(C)C2=CC(=O)CC1 PQSUYGKTWSAVDQ-ZVIOFETBSA-N 0.000 description 4
- PQSUYGKTWSAVDQ-UHFFFAOYSA-N Aldosterone Natural products C1CC2C3CCC(C(=O)CO)C3(C=O)CC(O)C2C2(C)C1=CC(=O)CC2 PQSUYGKTWSAVDQ-UHFFFAOYSA-N 0.000 description 4
- 241000283707 Capra Species 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 4
- 229960002478 aldosterone Drugs 0.000 description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 239000012064 sodium phosphate buffer Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 241000283973 Oryctolagus cuniculus Species 0.000 description 3
- 241001494479 Pecora Species 0.000 description 3
- 241000700159 Rattus Species 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 239000001166 ammonium sulphate Substances 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 230000002163 immunogen Effects 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 238000003127 radioimmunoassay Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 150000003431 steroids Chemical class 0.000 description 3
- -1 that is to say Substances 0.000 description 3
- BFSVOASYOCHEOV-UHFFFAOYSA-N 2-diethylaminoethanol Chemical compound CCN(CC)CCO BFSVOASYOCHEOV-UHFFFAOYSA-N 0.000 description 2
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002307 Dextran Polymers 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- 238000002965 ELISA Methods 0.000 description 2
- 229920005654 Sephadex Polymers 0.000 description 2
- 239000012507 Sephadex™ Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- MUMGGOZAMZWBJJ-DYKIIFRCSA-N Testostosterone Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1 MUMGGOZAMZWBJJ-DYKIIFRCSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-BJUDXGSMSA-N carbon-11 Chemical compound [11C] OKTJSMMVPCPJKN-BJUDXGSMSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- JYGXADMDTFJGBT-VWUMJDOOSA-N hydrocortisone Chemical compound O=C1CC[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 JYGXADMDTFJGBT-VWUMJDOOSA-N 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- PROQIPRRNZUXQM-UHFFFAOYSA-N (16alpha,17betaOH)-Estra-1,3,5(10)-triene-3,16,17-triol Natural products OC1=CC=C2C3CCC(C)(C(C(O)C4)O)C4C3CCC2=C1 PROQIPRRNZUXQM-UHFFFAOYSA-N 0.000 description 1
- RWBRUCCWZPSBFC-RXRZZTMXSA-N (20S)-20-hydroxypregn-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](O)C)[C@@]1(C)CC2 RWBRUCCWZPSBFC-RXRZZTMXSA-N 0.000 description 1
- DBPWSSGDRRHUNT-CEGNMAFCSA-N 17α-hydroxyprogesterone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2 DBPWSSGDRRHUNT-CEGNMAFCSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 101100511466 Caenorhabditis elegans lon-1 gene Proteins 0.000 description 1
- 102000011022 Chorionic Gonadotropin Human genes 0.000 description 1
- 108010062540 Chorionic Gonadotropin Proteins 0.000 description 1
- OMFXVFTZEKFJBZ-UHFFFAOYSA-N Corticosterone Natural products O=C1CCC2(C)C3C(O)CC(C)(C(CC4)C(=O)CO)C4C3CCC2=C1 OMFXVFTZEKFJBZ-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-WFVLMXAXSA-N DEAE-cellulose Chemical compound OC1C(O)C(O)C(CO)O[C@H]1O[C@@H]1C(CO)OC(O)C(O)C1O GUBGYTABKSRVRQ-WFVLMXAXSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 102000003992 Peroxidases Human genes 0.000 description 1
- 208000032749 Pregnancy Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 239000012888 bovine serum Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 229940015047 chorionic gonadotropin Drugs 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- OMFXVFTZEKFJBZ-HJTSIMOOSA-N corticosterone Chemical compound O=C1CC[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@H](CC4)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 OMFXVFTZEKFJBZ-HJTSIMOOSA-N 0.000 description 1
- 229960003654 desoxycortone Drugs 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 231100000673 dose–response relationship Toxicity 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- PROQIPRRNZUXQM-ZXXIGWHRSA-N estriol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H]([C@H](O)C4)O)[C@@H]4[C@@H]3CCC2=C1 PROQIPRRNZUXQM-ZXXIGWHRSA-N 0.000 description 1
- 239000000262 estrogen Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930182830 galactose Natural products 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000035931 haemagglutination Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 229960000890 hydrocortisone Drugs 0.000 description 1
- 229960002899 hydroxyprogesterone Drugs 0.000 description 1
- 230000001900 immune effect Effects 0.000 description 1
- 230000000984 immunochemical effect Effects 0.000 description 1
- 238000001114 immunoprecipitation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010255 intramuscular injection Methods 0.000 description 1
- 239000007927 intramuscular injection Substances 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000155 isotopic effect Effects 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 235000018977 lysine Nutrition 0.000 description 1
- 150000002669 lysines Chemical class 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 229910000357 manganese(II) sulfate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 229960005181 morphine Drugs 0.000 description 1
- 230000018791 negative regulation of catalytic activity Effects 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 108040007629 peroxidase activity proteins Proteins 0.000 description 1
- ORNBQBCIOKFOEO-QGVNFLHTSA-N pregnenolone Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](C(=O)C)[C@@]1(C)CC2 ORNBQBCIOKFOEO-QGVNFLHTSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010254 subcutaneous injection Methods 0.000 description 1
- 239000007929 subcutaneous injection Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229960003604 testosterone Drugs 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- PIEPQKCYPFFYMG-UHFFFAOYSA-N tris acetate Chemical compound CC(O)=O.OCC(N)(CO)CO PIEPQKCYPFFYMG-UHFFFAOYSA-N 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/74—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving hormones or other non-cytokine intercellular protein regulatory factors such as growth factors, including receptors to hormones and growth factors
- G01N33/743—Steroid hormones
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- Biotechnology (AREA)
- Analytical Chemistry (AREA)
- Cell Biology (AREA)
- Endocrinology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Peptides Or Proteins (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7434519A FR2288312A1 (fr) | 1974-10-14 | 1974-10-14 | Procede de dosage immunoenzymatique de la progesterone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1071535A true CA1071535A (en) | 1980-02-12 |
Family
ID=9144070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA237,476A Expired CA1071535A (en) | 1974-10-14 | 1975-10-10 | Method for enzyme immunoassay of progesterone |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5191325A (Direct) |
| BE (1) | BE834248A (Direct) |
| CA (1) | CA1071535A (Direct) |
| DE (1) | DE2545980A1 (Direct) |
| ES (1) | ES441738A1 (Direct) |
| FR (1) | FR2288312A1 (Direct) |
| GB (1) | GB1531974A (Direct) |
| NL (1) | NL7512025A (Direct) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6111664A (ja) | 1984-06-28 | 1986-01-20 | Ono Pharmaceut Co Ltd | プロスタグランジン類の酵素免疫測定用試薬組成物及び該組成物を用いたプロスタグランジン類の測定方法 |
| CH670709A5 (Direct) * | 1986-04-24 | 1989-06-30 | Univ Moskovsk |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3637711A (en) * | 1968-03-25 | 1972-01-25 | Ashland Oil Inc | Beta-alkenyl substituted 8-hydroxyquinolines |
| NL154599B (nl) * | 1970-12-28 | 1977-09-15 | Organon Nv | Werkwijze voor het aantonen en bepalen van specifiek bindende eiwitten en hun corresponderende bindbare stoffen, alsmede testverpakking. |
| NL171930C (nl) * | 1972-05-11 | 1983-06-01 | Akzo Nv | Werkwijze voor het aantonen en bepalen van haptenen, alsmede testverpakkingen. |
-
1974
- 1974-10-14 FR FR7434519A patent/FR2288312A1/fr active Granted
-
1975
- 1975-10-06 BE BE160740A patent/BE834248A/xx not_active IP Right Cessation
- 1975-10-10 CA CA237,476A patent/CA1071535A/en not_active Expired
- 1975-10-13 NL NL7512025A patent/NL7512025A/xx not_active Application Discontinuation
- 1975-10-13 ES ES441738A patent/ES441738A1/es not_active Expired
- 1975-10-14 DE DE19752545980 patent/DE2545980A1/de active Pending
- 1975-10-14 JP JP50122988A patent/JPS5191325A/ja active Pending
- 1975-10-14 GB GB4191275A patent/GB1531974A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE834248A (fr) | 1976-04-06 |
| FR2288312B1 (Direct) | 1977-03-18 |
| DE2545980A1 (de) | 1976-05-06 |
| GB1531974A (en) | 1978-11-15 |
| ES441738A1 (es) | 1977-03-16 |
| JPS5191325A (en) | 1976-08-10 |
| NL7512025A (nl) | 1976-04-20 |
| FR2288312A1 (fr) | 1976-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |