Patent US2914442A successfully refreshed from Google Patents.
US2914442A
Expired / Lapsed
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Novel otologic preparations and the process for their preparation
Assignee: Synergistics Inc
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Filing: 1957-08-27
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Granted: 1959-11-24
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Expires: 1977-08-27
Abstract
No abstract record available.
Inventors
- 👤 Halpern Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:32
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0046; A61K47/00; A61K47/30; A61K47/42; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A METHOD OF SOFTENING CERUMEN WHICH COMPRISES INTRODUCING INTO THE EAR CANAL A PROTEIN-FATTY ACID CONDENSATE IN THE FORM OF A SALT OF N-ACYLATED POLYPEPTIDES OF THE FORMULA
Claim 2
Independent Claim
28 words
A METHOD OF SOFTENING CERUMEN WHICH COMPRISES INTRODUCING INTO THE EAR CANAL A PROTEIN-FATTY ACID CONDENSATE IN THE FORM OF A SALT OF N-ACYLATED POLYPEPTIDES OF THE FORMULA
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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |