Dyeing compositions for keratinous fibers containing paraphenylenediamine derivatives… Application US-7179301-B2 United States of America 20 Feb 2007
Para-phenylenediamine derivatives containing a pyrrolidyl group, and use of these… Application US-7132534-B2 United States of America 07 Nov 2006
Pyrrolidinyl-substituted para-phenylenediamine derivatives substituted with a cationic… Application US-6946005-B2 United States of America 20 Sep 2005
Bis-para-phenylenediamine derivatives comprising a pyrrolidyl group and use of these… Application US-6923835-B2 United States of America 02 Aug 2005
Composition for the oxidation dyeing of keratin fibers and dyeing process using this… Application US-6395042-B1 United States of America 28 May 2002
Compositions for dyeing keratin fibers containing S-oxide-thiazolo-azoles and/or S,S-dioxid… Application US-6340372-B1 United States of America 22 Jan 2002
Compositions for dyeing keratin fibers containing pyrazolo[3, 4-d]thiazoles as couplers… Application US-6139589-A United States of America 31 Oct 2000
Compositions containing pyrrolo-oxazole couplers for dyeing keratin fibers and dyeing… Application US-6063136-A United States of America 16 May 2000