US3689667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
C22 acid and its salts to promote wound healing
Assignee: University of California Berkeley
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Filing: 1970-06-24
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Granted: 1972-09-05
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Expires: 1990-06-24
Abstract
Abstract A C22 homolog of retinoic acid and its salts have been found effective in promoting would healing. The acid or the salt is applied to the wound as a solution, ointment or powder.
Inventors
- 👤 Kwan-Hua Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:56
CPC Classifications
C; C07; C07C; C07C403/00; C07C403/20; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
A method of healing a wound comprising applying to said wound site a composition of claim 1 containing about 1% of the acid or its salt.
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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |