The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 28, 1990
Filed:
Oct. 05, 1988
Gerard Lang, Saint-Gratien, FR;
Serge Forestter, Claye-Souilly, FR;
Alain LaGrange, Chatou, FR;
Claudine Moire, Romainville, FR;
Andre DeFlandre, Orray-la-Ville, FR;
L'Oreal, Paris, FR;
Abstract
New tert-butyl derivatives of benzylidenecamphor, process for preparing them, their use as antioxidant agents and cosmetic and pharmaceutical compositions containing them. The invention relates to benzylidenecamphor derivatives of formula: ##STR1## where R is hydrogen or a tert-butyl residue, R.sub.1 is a C.sub.1 -C.sub.8 alkyl or alkoxy residue, and R.sub.2 and R.sub.3 denote hydrogen or hydroxyl, at least one of the two being hydroxyl, to a process for preparing them and to their uses as antioxidants, broad-band sunscreens and medicinal products for the preventive treatment of skin allergies and inflammations as well as for the prevention of certain cancers.