US3065144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sun screening method using acetylated p-amino-cinnamates
Assignee: Dyk & Co Inc Van
•
Filing: 1959-12-10
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Granted: 1962-11-20
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Expires: 1979-12-10
Abstract
No abstract record available.
Inventors
- 👤 Saul I Kreps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:46
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; Y; Y10; Y10S; Y10S424/00; Y10S424/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A METHOD OF PROTECTING THE SKIN AGAINST ERYTHEMA PRODUCING RADIATION WHICH COMPRISES APPLYING TO THE SKIN A FILM OF A COMPOSITION OF A COSMETIC CARRIER HAVING DISSEMINATED THERETHROUGH AT LEAST .5% OF A COMPOUND OF THE GENERAL FORMULA:
Claim 2
Independent Claim
38 words
A METHOD OF PROTECTING THE SKIN AGAINST ERYTHEMA PRODUCING RADIATION WHICH COMPRISES APPLYING TO THE SKIN A FILM OF A COMPOSITION OF A COSMETIC CARRIER HAVING DISSEMINATED THERETHROUGH AT LEAST .5% OF A COMPOUND OF THE GENERAL 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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |