Cosmetic containing benzotriazole diorganopolysiloxanes
US5089250A · kind A · utility
33Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Feb 13, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/05
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The cosmetic use is described, in particular for use as a UV filter, of benzotriazole diorganopolysiloxanes having either formula: ##STR1## where R is C.sub.1 -C.sub.10 alkyl, phenyl or 3,3,3-trifluoropropyl, B is R or A, r=0-200, s=0-50, or formulas: ##STR2## where u=1-20, t=0-20 and t+u.gtoreq.3. PA0 A and/or B represent a benzotriazole C.sub.3 -C.sub.12 alkylene which may be substituted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.