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US2912359A
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US
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Wound healing agent obtained from blood and method of preparation
Assignee: DEVELOPMENTS Inc
•
Filing: 1955-05-04
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Granted: 1959-11-10
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Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 Anigstein Ludwik
- 👤 Don W Micks
- 👤 Dorothy M Anigstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:22
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/01; A61K38/012; A61K38/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS OF PREPARING A WOUND HEALING AGENT FROM A HEMOLYZED BLOOD COMPRISING SUBJECTING THE HEMOLYZED BLOOD TO HYDROLYSIS WITH A PROTEOLYTIC ENZYME UNTIL A PRODUCT IS OBTAINED CONSISTING OF A GREENISH-BROWN ODORLESS LIQUID HAVING A YELLOWISH IRIDESCENT FOAM, AND DISCONTINUING THE HYDROLYSIS.
Claim 2
Dependent Claim
43 words
A PROCESS OF PREPARING A WOUND HEALING AGENT FROM A HEMOLYZED BLOOD COMPRISING SUBJECTING THE HEMOLYZED BLOOD TO HYDROLYSIS WITH A PROTEOLYTIC ENZYME UNTIL A PRODUCT IS OBTAINED CONSISTING OF A GREENISH-BROWN ODORLESS LIQUID HAVING A YELLOWISH IRIDESCENT FOAM, AND DISCONTINUING THE HYDROLYSIS.
References Cited (Backward Citations)
GB207573A
Cited
US2369111A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |