US4438094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cosmetic formulations containing oxyethylated diphenylamines as sun screen agents
Assignee: BASF SE
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Filing: 1982-04-30
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Granted: 1984-03-20
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Expires: 2002-04-30
Abstract
Abstract Cosmetic preparations are prepared containing from 0.1 percent to 15 percent by weight of oxyethylated diphenylamines as sun screen agents.
Inventors
- 👤 Knut Oppenlaender
- 👤 Rainer Strickler
- 👤 Karl Seib
- 👤 Paul Naegele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:43
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/04; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/45; C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C09; C09K; C09K15/00; C09K15/04; C09K15/20
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
85 words
A sunscreen composition comprising from 0.1 percent to 15 percent, based upon the total weight of the composition, of an N-oxyethylated diphenylamine sunscreen agent of the formula ##STR2## wherein R is (CH 2 --CH 2 --O) n --H and n is an integer from 1 to 25, a cosmetic carrier selected from the group consisting of a solution, an oil, a cream, a salve, a lotion, a gel and a powder and auxiliary agents selected from the group consisting of thickeners, emulsifiers, preservatives and fragrances.
Claim 2
Dependent Claim
85 words
A sunscreen composition comprising from 0.1 percent to 15 percent, based upon the total weight of the composition, of an N-oxyethylated diphenylamine sunscreen agent of the formula ##STR2## wherein R is (CH 2 --CH 2 --O) n --H and n is an integer from 1 to 25, a cosmetic carrier selected from the group consisting of a solution, an oil, a cream, a salve, a lotion, a gel and a powder and auxiliary agents selected from the group consisting of thickeners, emulsifiers, preservatives and fragrances.
Claim 3
Dependent Claim
10 words
The preparation of claim 1 wherein the diphenylamine is N-(2-hydroxyethyl)-diphenylamine.
Claim 4
Dependent Claim
23 words
The prepartion of claim 1 wherein the N-oxyethylated diphenylamine sun screen agent is a 5 to 15 mole ethylene oxide adduct of diphenylamine.
Claim 5
Dependent Claim
48 words
A sun screen composition comprising from 1 percent to 15 percent by weight, based on the total weight of the composition, of an N-oxyethylated diphenylamine of the formula ##STR3## wherein R is (CH 2 --CH 2 --CH 2 --O)H and n is an integer from 1 to 25.
Claim 6
Dependent Claim
48 words
A sun screen composition comprising from 1 percent to 15 percent by weight, based on the total weight of the composition, of an N-oxyethylated diphenylamine of the formula ##STR3## wherein R is (CH 2 --CH 2 --CH 2 --O)H and n is an integer from 1 to 25.
References Cited (Backward Citations)
FR951538A
Cited
US3683020A
Cited
GB1276771A
Cited
US4200432A
Cited
US4009254A
Cited
DE3007997A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-03-20 | 1987-09-19 | 1988-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-20 | 1991-09-19 | 1992-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-20 | 1995-09-19 | 1996-03-20 | $7700.00 | Window Closed / Lapsed |