US3629235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for isolating an interferon inducer and the product per se
Assignee: Merck and Co Inc
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Filing: 1969-02-12
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Granted: 1971-12-21
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Expires: 1989-02-12
Abstract
Abstract PROCESS FOR ISOLATING A NUCLEIC ACID FROM THE MYCELIUM OF PENICILLIUM FUNICULOSUM WHICH HAS GROWN IN A SYNTHETIC CULTURE MEDIA. THE NUCLEIC ACID PER SE IS CLAIMED. THIS NUCLEIC ACID ACTS AS AN INDUCER TO STIMULATE THE PRODUCTION OF INTERFERON WHEN ADMINISTERED TO LIVING ANIMALS, INCLUDING HUMANS, OR WHEN ADDED TO LIVING ANIMAL CELLS GROWING IN A NUTRIENT MEDIA.
Inventors
- 👤 George P Lampson
- 👤 Arthur K Field
- 👤 Alfred A Tytell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:56
CPC Classifications
C; C07; C07H; C07H21/00; C12; C12P; C12P19/00; C12P19/26; C12P19/28; C12P19/30; C12P19/34; Y; Y10; Y10S; Y10S435/00; Y10S435/811; Y10S435/8215; Y10S435/911; Y10S435/933
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |