Patent US2899362A successfully refreshed from Google Patents.
US2899362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hemostatic sponges and method of
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:28
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/425; A61L15/22; A61L15/225; A61L2400/00; A61L2400/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF MAKING A HEMOSTATIC SURGICAL PRODUCT WHICH COMPRISES THE STEPS OF PREPARING AN AQUEOUS SOLUTION CONTAINING FROM 5 TO 15 PERCENT BY WEIGHT OF TOTAL SOLIDS COMPRISING A MIXTURE OF COOKED STARCH AND GELATIN IN APPROXIMATELY THE RATIO OF 40 TO 80 PERCENT BY WEIGHT OF STARCH AND 20 TO 60 PERCENT BY WEIGHT OF GELATIN AND INCORPORATING AIR INTO SAID SOLUTION TO FORM A FOAM HAVING A VOLUME OF FROM ABOUT TWO TO SEVEN TIMES THAT OF THE SOLUTION, AND THEREAFTER DRYING SAID FOAM.
Claim 2
Independent Claim
87 words
A METHOD OF MAKING A HEMOSTATIC SURGICAL PRODUCT WHICH COMPRISES THE STEPS OF PREPARING AN AQUEOUS SOLUTION CONTAINING FROM 5 TO 15 PERCENT BY WEIGHT OF TOTAL SOLIDS COMPRISING A MIXTURE OF COOKED STARCH AND GELATIN IN APPROXIMATELY THE RATIO OF 40 TO 80 PERCENT BY WEIGHT OF STARCH AND 20 TO 60 PERCENT BY WEIGHT OF GELATIN AND INCORPORATING AIR INTO SAID SOLUTION TO FORM A FOAM HAVING A VOLUME OF FROM ABOUT TWO TO SEVEN TIMES THAT OF THE SOLUTION, AND THEREAFTER DRYING SAID FOAM.
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |