US3558770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wound treating composition employing an enzyme modified casein
Assignee: Kraft Inc
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Filing: 1967-09-01
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Granted: 1971-01-26
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Expires: 1987-09-01
Abstract
Abstract A COMPOSITION AND METHOD OF MAKING SAME IS PROVIDED WHICH IS SUITABLE FOR COSMETIC OR PHARMACEUTICAL USE. THE COMPOSITION CONTAINS CASEIN WHICH HAS BEEN MODIFIED BY SUBJECTING THE CASEIN TO TREATMENT WITH A PROTEOLYLTIC ENZYME. THE PROTEOLYTIC ENZYME HYDROLYZED THE CASEIN INTO POLYPEPTIDES, AND OTHER RELATED PROTEIN FRAGMENTS. THE ENZYME-MODIFIED CASEIN MAY THEN BE MIXED WITH SUSPENDING, STABILIZING AND PRESERVATIVE AGENTS, SUCH AS CARRAGEENAN, POLYVINYL PYRROLIDONE AND METHYL PARASEPT, TO PROVIDE AN IMPROVED COMPOSITION FOR COSMETIC OR PHARMACEUTICAL USE.
Inventors
- 👤 Arthur L Gordon
- 👤 Samuel M Weisberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:49
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/08; A61K47/14; A61K38/00; A61K38/01; A61K38/012; A61K38/018; A61K47/30; A61K47/32; A61K47/36; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K9/00; A61K9/0012; A61K9/0014; A61Q; A61Q19/00; A61Q19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |