Patent US5325723A successfully refreshed from Google Patents.
Patent US2719837A successfully refreshed from Google Patents.
US2719837A
Expired / Lapsed
US
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Carboxyalkyl globin and method of
Assignee: —
•
Filing: —
•
Granted: 1955-10-04
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Expires: 1972-10-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:08
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/46; C07K14/47; A; A61; A61K; A61K38/00; A61K38/16; A61K38/41; A61K38/42; C07K14/795; C07K14/805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A CARBOXYMETHYL GLOBIN, DERIVED FROM HUMAN HEMOGLOBIN, SOLUBLE IN WATER AT A PH BETWEEN PH 6.7 AND PH 9.5.
Claim 2
Dependent Claim
19 words
A CARBOXYMETHYL GLOBIN, DERIVED FROM HUMAN HEMOGLOBIN, SOLUBLE IN WATER AT A PH BETWEEN PH 6.7 AND PH 9.5.
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) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |