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:
Sep. 05, 1978
Filed:
May. 18, 1977
Gregoire Kalopissis, Paris, FR;
Andree Bugaut, Boulogne-sur-Seine, FR;
Francoise Estradier, Paris, FR;
L'Oreal, Paris, FR;
Abstract
Diphenylamines of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently represent hydrogen, halogen or lower alkyl containing 1-4 carbon atoms with at least one of R.sub.1 and R.sub.2 being other than hydrogen; R.sub.3, R.sub.4, R.sub.5, R.sub.6, and R.sub.7 each independently represent hydrogen or lower alkyl optionally substituted with hydroxy, carbamyl, piperidinyl or acylamino; R.sub.3 and R.sub.6 or R.sub.4 and R.sub.7 also optionally forming together with the carbon and nitrogen atoms to which they are attached, a dihydrooxazine or pyrroline heterocycle; and Z represents amino, acylamino or hydroxy; and the acid salts of said diphenylamines. These diphenylamines are usefully employed in cosmetic compositions for the hair including hair dye compositions and hair setting lotion compositions.