Patent US3830824A successfully refreshed from Google Patents.
US3830824A
Expired / Lapsed
US
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Physiological organic acid silver allantoinates
Assignee: Individual
•
Filing: 1971-07-23
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Granted: 1974-08-20
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Expires: 1991-07-23
Abstract
Abstract THE APPLICATION DISCLOSES THE PREPARATION AND USES OF PHYSILOGICAL ORGANIC ACID SILVER SALTS OF ALLANTOIN, SPECIFICALLY SILVER CITRO ALLANTOINATE AND SILVER ALCTO ALLANTONATE. THESE ARE STABLE, AND ARE SUITABLE FOR APPLICATION TO OPEN WOUNDS AND BURNS WITHOUT TOXCITY OR IRRITATION.
Inventors
- 👤 H Margraf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:20
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/72; C07D233/80; C07F; C07F1/00; C07F1/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |