US3594278A
Expired / Lapsed
US
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Preparation of polynucleotides
Assignee: Pabst Brewing Co
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Filing: 1968-12-31
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Granted: 1971-07-20
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Expires: 1988-12-31
Abstract
Abstract POLYNUCLEOTIDES ARE PREPARED BY ENZYMATIC POLYMERIZATION OF A NUCLEOTIDE, E.G., INOSINE DIPHOSPHATE OR CYTIDINE DIPHOSPHATE, FOLLOWED BY A RECOVERY PROCESS EMPLOYING A SURFACTANT AND A FINELY DIVIDED SOLID ADSORBENT WHICH YIELDS AN ACTIVE POLYNUCLEOTIDE FREE FROM IMPURITIES.
Inventors
- 👤 Robert Naylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:49
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/26; C12P19/28; C12P19/30; C12P19/34; Y; Y10; Y10S; Y10S435/00; Y10S435/803; Y10S435/8215; Y10S435/822; Y10S435/859; Y10S435/862
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |