Patent US3935308A successfully refreshed from Google Patents.
US3935308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wound covering and method of application
Assignee: United States Department of the Navy
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Filing: 1974-08-08
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Granted: 1976-01-27
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Expires: 1994-08-08
Abstract
Abstract A preparation and a method are described for emergency, interim treatment extensive burn injuries, e.g., flash burns, to external portions of a person. A solution of the polymer poly-ε-caprolactone is a volatile solvent, such as acetone or tetrahydrofuran, is applied to the burn area by spraying or swabbing, so that upon evaporation of the solvent a film of the polymer is left to serve as a barrier to insensible water loss.
Inventors
- 👤 Donald L. Wise
- 👤 Arthur D. Schwope
- 👤 Kenneth W. Sell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:26
CPC Classifications
A; A61; A61L; A61L26/00; A61L26/0061; A61L26/0076; A61K; A61K31/00; A61K31/74; A61K31/765; A61L26/0009; A61L26/0019; Y; Y10; Y10S; Y10S424/00; Y10S424/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A method of treating an extensive burn injury to an external portion of a person, comprising the steps of: spraying a layer of a solution of poly-ε-caprolactone, having a molecular weight in the range of 2,000 to 300,000, in a volatile solvent comprising liquid tetrahydrofuran onto said external portion; allowing said solvent to evaporate so as to leave a thin, flexible film of said poly-ε-caprolactone, having a thickness of about 0.0005 inch to 0.01 inch, adhering to said portion so as to form a barrier to body fluid loss therethrough.
Claim 2
Independent Claim
90 words
A method of treating an extensive burn injury to an external portion of a person, comprising the steps of: spraying a layer of a solution of poly-ε-caprolactone, having a molecular weight in the range of 2,000 to 300,000, in a volatile solvent comprising liquid tetrahydrofuran onto said external portion; allowing said solvent to evaporate so as to leave a thin, flexible film of said poly-ε-caprolactone, having a thickness of about 0.0005 inch to 0.01 inch, adhering to said portion so as to form a barrier to body fluid loss therethrough.
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) | 1979-01-26 | 1979-07-28 | 1980-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-26 | 1983-07-28 | 1984-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-26 | 1987-07-28 | 1988-01-27 | $7700.00 | Window Closed / Lapsed |