Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cosmetic compositions containing hydroxyl derivatives of dibenzoylmethane and their use in protecting the skin against ultraviolet rays and derivatives for use therein

Cosmetic compositions containing hydroxyl derivatives of dibenzoylmethane and their use in protecting the skin against ultraviolet rays and derivatives for use therein

US Patent 4814162 · Granted Mar 21, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Triaromatic azomethine direct dyes, dye composition comprising at least one such2017
Particular azomethine direct dyes, dye composition comprising at least one such 2016
Composition comprising at least one 2-pyrrolidone functionalized with an ester o2014
Composition comprising at least one 2-pyrrolidone functionalized in the 4 positi2013
Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained 2012
Azomethine direct dyes or reduced precursors of these dyes obtained from 2-chlor2011
Azomethine direct dyes or reduced precursors of azomethine direct dyes obtained 2011
Para-phenylenediamine derivatives containing a pyrrolidyl group, and use of thes2006
Para-phenylenediamine derivatives comprising a cyclic diaza group substituted wi2006
Pyrrolidinyl-substituted para-phenylenediamine derivatives substituted with a ca2005
Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group and use of t2005
Dyeing composition for dyeing keratinous fibers comprising at least one particul2005