US3903256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for topical application of animal tissue and method of enhancing penetration thereof
Assignee: Procter and Gamble Co
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Filing: 1974-07-18
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Granted: 1975-09-02
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Expires: 1994-07-18
Abstract
Abstract Disclosed are compositions for topical application to skin comprising a sunscreen in certain (C8-C12) aliphatic sulfoxides which enhance the penetration of the sunscreens through skin.
Inventors
- 👤 Francis S Macmillan
- 👤 Warren I Lyness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:13
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/20; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K9/00; A61K9/0012; A61K9/0014; A61Q; A61Q17/00; A61Q17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A COMPOSITION FOR APPLICATION TO ANIMAL TISSUE COMPRISING A SAFE AND EFFECTIVE AMOUNT OF A SUNSCREEN AND FROM ABOUT 0.1 TO ABOUT 10.0 PERCENT OF AN ALIPHATIC SULFOXIDE SELECTED FROM THE GROUP CONSISTING OF OCTYL METHYL SULFOXIDE, NONYL METHYL SULFOXIDE, DECYL METHYL SULFOXIDE, UNDECYL METHYL SULFOXIDE, DODECYL METHYL SULFOXIDE, 2-HYDROXYDECYL METHYL SULFOXIDE, 2-HYDROXYUNDECYL METHYL SULFOXIDE, AND 2-HYDROXYDODECYL METHYL SULFOXIDE.
Claim 2
Dependent Claim
59 words
A COMPOSITION FOR APPLICATION TO ANIMAL TISSUE COMPRISING A SAFE AND EFFECTIVE AMOUNT OF A SUNSCREEN AND FROM ABOUT 0.1 TO ABOUT 10.0 PERCENT OF AN ALIPHATIC SULFOXIDE SELECTED FROM THE GROUP CONSISTING OF OCTYL METHYL SULFOXIDE, NONYL METHYL SULFOXIDE, DECYL METHYL SULFOXIDE, UNDECYL METHYL SULFOXIDE, DODECYL METHYL SULFOXIDE, 2-HYDROXYDECYL METHYL SULFOXIDE, 2-HYDROXYUNDECYL METHYL SULFOXIDE, AND 2-HYDROXYDODECYL METHYL SULFOXIDE.
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) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |