US3597409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for recoverring immunoglobulin a and immunoglobulin m
Assignee: Wyeth Holdings LLC
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Filing: 1970-05-25
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Granted: 1971-08-03
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Expires: 1990-05-25
Abstract
Abstract THIS DISCLOSURE DESCRIBES A MULTISTEP PROCESS FOR RECOVERING AN IMMUNOGLOBULIN A ENRICHED PREPARATION AND AN IMMUNOGLOBULIN M ENRICHED PREPARATION FROM HUMAN BLOOD PROTEIN FRACTIONS, SAID PREPARATIONS BEING USEFUL FOR THE PROPHYLAXIS AND THERAPY OR CERTAIN INFECTIOUS DISEASES.
Inventors
- 👤 Charles Benedict Breuer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:58
CPC Classifications
C; C07; C07K; C07K16/00; C07K16/06; C07K16/065; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83; Y10S530/831; Y10S530/85; Y10S530/851; Y10S530/861; Y10S530/863
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |