US3314937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing highly polymerized desoxyribonucleic acids
Assignee: Centre National de la Recherche Scientifique
•
Filing: 1964-07-28
•
Granted: 1967-04-18
•
Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Vendrely Roger
- 👤 Vendrely Colette
- 👤 Vallee Jean Philippe Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:39
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; C; C12; C12N; C12N15/00; C12N15/09; C12N15/10; C12N15/1003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS FOR THE MANUFACTURE OF HIGHLY POLYMERIZED DESOXYRIBONUCLEIC ACIDS WHICH COMPRISES CONTACTING STRILIZED AND ALCOHOL-WASHED ANIMAL TISSUE CONTAINING SAID ACIDS WITH SOLID SODIUM CHLORIDE CRYSTALS, SUBJECTING THE MASS THUS OBTAINED TO A THERMIC SHOCK IN A SEMI-SOLID MEDIUM TO REMOVE ADHERING PROTEINS AND FACILITATE EXTRACTION OF DESOXYRIBONUCLEOPROTEIN; AND SPLITTING THE LATTER INTO FREE NUCEIC ACIDS AND PROTEIN.
Claim 2
Dependent Claim
58 words
A PROCESS FOR THE MANUFACTURE OF HIGHLY POLYMERIZED DESOXYRIBONUCLEIC ACIDS WHICH COMPRISES CONTACTING STRILIZED AND ALCOHOL-WASHED ANIMAL TISSUE CONTAINING SAID ACIDS WITH SOLID SODIUM CHLORIDE CRYSTALS, SUBJECTING THE MASS THUS OBTAINED TO A THERMIC SHOCK IN A SEMI-SOLID MEDIUM TO REMOVE ADHERING PROTEINS AND FACILITATE EXTRACTION OF DESOXYRIBONUCLEOPROTEIN; AND SPLITTING THE LATTER INTO FREE NUCEIC ACIDS AND PROTEIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |