US3819822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diagnostic agent for detection of primary hepatoma
Assignee: Kowa Co Ltd
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Filing: 1970-12-17
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Granted: 1974-06-25
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Expires: 1990-12-17
Abstract
Abstract A DIGANOSTIC AGENT FOR PRIMARY HEPATOMA COMPRISING ANTI-A1-FETOGLOBULIN, AND A PROCESS FOR THE PREPARATION OF THE DIAGNOSTIC AGENT FOR PRIMARY HEPATOMA WHICH COMPRISES THE STEPS OF DISSOLVING THE ANTI-A1-FETOGLOBULIN TOGETHER WITH A SUPPORT MEDIUM AND ALLOWING THE SAME TO SOLIDIFY IN A DIFFUSED CONDITIONS.
Inventors
- 👤 H Nagai
- 👤 F Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:00
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/543; G01N33/544; G01N33/549; C; C07; C07K; C07K16/00; C07K16/18; C07K16/28; C07K16/30; C07K16/303; G01N33/54313; Y; Y10; Y10S; Y10S436/00; Y10S436/805
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) | 1977-06-24 | 1977-12-24 | 1978-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-24 | 1981-12-24 | 1982-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-24 | 1985-12-24 | 1986-06-25 | $7700.00 | Window Closed / Lapsed |