US3208918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for purifying enzymes
Assignee: Individual
•
Filing: 1963-08-15
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Granted: 1965-09-28
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Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Roland Frank Beers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:30
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/10; C12N9/12; C12N9/1241; C12N9/1258; C12N9/14; C12N9/16; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE PROCESS FOR PURIFYING AN ENZYME USEFUL IN THE SYNTHESIS OF POLYNUCLEOTIDES WHICH COMPRISES ABSORBING A POLYRIBONUCLEOTIDE SUBSTRATE FOR SAID ENZYME UPON AN INSOLUBLE MATERIAL WHICH EFFECTIVELY BINDS SAID SUBSTRATE, CONTACTING A SOLUTION CONTAINING SAID ENZYME WITH SAID SUBSTRATE BOUND TO SAID INSOLUBLE MATERIAL TO FORM AN ENZYME-SUBSTRATE COMPLEX ON SAID INSOLUBLE MATERIAL AND ELUTING SAID ENZYME FROM SAID ENZYME-SUBSTRATE COMPLEX.
Claim 2
Dependent Claim
61 words
THE PROCESS FOR PURIFYING AN ENZYME USEFUL IN THE SYNTHESIS OF POLYNUCLEOTIDES WHICH COMPRISES ABSORBING A POLYRIBONUCLEOTIDE SUBSTRATE FOR SAID ENZYME UPON AN INSOLUBLE MATERIAL WHICH EFFECTIVELY BINDS SAID SUBSTRATE, CONTACTING A SOLUTION CONTAINING SAID ENZYME WITH SAID SUBSTRATE BOUND TO SAID INSOLUBLE MATERIAL TO FORM AN ENZYME-SUBSTRATE COMPLEX ON SAID INSOLUBLE MATERIAL AND ELUTING SAID ENZYME FROM SAID ENZYME-SUBSTRATE COMPLEX.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |