US3560611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of preparations rich in interferon
Assignee: Centre National de la Recherche Scientifique
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Filing: 1969-10-27
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Granted: 1971-02-02
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Expires: 1989-10-27
Abstract
Abstract THE INVENTION PROVIDES A PROCESS FOR THE MANUFACTURE OF INTERFERON-RICH PREPARATIONS BY INCUBATING HUMAN CELLS IN THE PRESENCE OF AN INDUCTION AGENT SUCH AS A VIRUS, AND SEPARATING THE INTERFERON FORMED.
Inventors
- 👤 Charles Chany
- 👤 Francoise Fournier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:07
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/52; C07K14/555; Y; Y10; Y10S; Y10S435/00; Y10S435/811
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |