Cosmetic and pharmaceutical compositions containing lipophilic derivatives of benzylidenecamphor and new lipophilic derivatives of benzylidenecamphor
US5178852A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1990 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Mar 29, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/74
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to cosmetic and pharmaceutical compositions containing the derivatives of benzylidenecamphor of formula: ##STR1## where R.sub.1 denotes H, OH, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.8 alkoxy, R.sub.3 denotes OH, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.8 alkoxy, or else when R.sub.1 denotes H or OH, R.sub.3 can represent C.sub.1 -C.sub.8 alkyl, R.sub.2 and R.sub.4 denote H or OH, at least one of the radicals R.sub.2 and R.sub.4 representing OH. The compounds (I) are wide-band sunscreens and antioxidants, and are utilized in the treatment of cutaneous inflammations and allergies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.