US3689633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of test sample for immunological assay of pregnancy of mares
Assignee: Aska Pharmaceutical Co Ltd
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Filing: 1969-01-13
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Granted: 1972-09-05
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Expires: 1989-01-13
Abstract
Abstract A process for the preparation of a sample to be tested by immunological assay for detecting serum gonadotrophin in blood of mares, for the purpose of diagnosing the mares pregnancy, which comprises adding an acid selected from the group consisting of sulfosalicyclic, perchloric, and metaphosphoric acids, to the blood, plasma, or serum of the mare to be diagnosed, at a concentration of at least 0.15 m-mol based on 1 ml of serum but below the saturation concentration, separating the resultant precipitate and recovering the supernatnat liquid, and a method diagnosis of pregnancy of a mare using such test sample.
Inventors
- 👤 Matsushima Sanae
- 👤 Tadashi Tezuka
- 👤 Kameo Nakanowatari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:43
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/74; G01N33/76; Y; Y10; Y10S; Y10S436/00; Y10S436/811; Y10S436/814; Y10S436/815; Y10S436/817; Y10S436/818; Y10S436/825; Y10S436/826; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |