US3328259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dressing for a wound containing a hemostatic agent and method of treating a wound
Assignee: PARACHEM IOWA
•
Filing: 1964-01-08
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Granted: 1967-06-27
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Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 Robert J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:27
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/425; A61L15/22; A61L15/28; A61F; A61F13/00; A61F2013/00361; A61F2013/00365; A61F2013/00463; A61L2400/00; A61L2400/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE METHOD OF TREATING A WOUND FROM WHICH PLASMA FLOWS OR OOZES, COMPRISING APPLYING TO THE WOUND, A FLEXIBLE BODY LARGE ENOUGH TO COVER SAID WOUND, SAID BODY CONTAINING A WATER-SOLUBLE, PLASMA-SOLUBLE CELLULOSE DERIVATIVE HAVING HERMOSTATICE AND FILM-FORMING PROPERITIES AND HAVING THE PROPERTY OF COMBINING WITH THE PLASMA IN THE WOULD TO FORM WITH THE PLASMA AN ARTIFICIAL WATER-INSOLUBLE ESCHAR, SAID CELLULOSE DERIVATIVE BEING PRESENT IN INTEGRAL NON-DISCRETE FORM IN SAID BODY AND IN PROPORTIONS TO CAUSE SAID BODY TO BE EFFECTIVE IN COAGULATING THE PLASMA ISSUING FROM SAID WOUND.
Claim 2
Independent Claim
90 words
THE METHOD OF TREATING A WOUND FROM WHICH PLASMA FLOWS OR OOZES, COMPRISING APPLYING TO THE WOUND, A FLEXIBLE BODY LARGE ENOUGH TO COVER SAID WOUND, SAID BODY CONTAINING A WATER-SOLUBLE, PLASMA-SOLUBLE CELLULOSE DERIVATIVE HAVING HERMOSTATICE AND FILM-FORMING PROPERITIES AND HAVING THE PROPERTY OF COMBINING WITH THE PLASMA IN THE WOULD TO FORM WITH THE PLASMA AN ARTIFICIAL WATER-INSOLUBLE ESCHAR, SAID CELLULOSE DERIVATIVE BEING PRESENT IN INTEGRAL NON-DISCRETE FORM IN SAID BODY AND IN PROPORTIONS TO CAUSE SAID BODY TO BE EFFECTIVE IN COAGULATING THE PLASMA ISSUING FROM SAID WOUND.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |