Patent US3539381A successfully refreshed from Google Patents.
Patent US2728759A successfully refreshed from Google Patents.
US2728759A
Expired / Lapsed
US
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Acylated protein and method of
Assignee: —
•
Filing: —
•
Granted: 1955-12-27
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Expires: 1972-12-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:03
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/30; A61K47/42; C; C07; C07K; C07K1/00; C07K1/107; C07K1/1072; C07K1/1077; C07K1/12; C08; C08H; C08H1/00; C08H1/06; C12; C12P; C12P21/00; C12P21/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A COMPOSITION OF MATTER RESULTING FROM THE ACYLATION OF A PROTEIN CONTAINING A HYDROXYL AMINE RADICAL, WHEREIN THE ACYL RADICAL CONTAINS FROM 1 TO 22 CARBON ATOMS AND CONSTITUTES MORE THAN 50% BY WEIGHT OF THE ORIGINAL PROTEIN PORTION.
References Cited (Backward Citations)
US2113819A
Cited
US2454730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |