A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/73 (2006.01) A61Q 5/08 (2006.01) A61Q 5/10 (2006.01)
Patent
CA 2598453
The present application relates to an agent for colouring keratin fibres based on oxidation dye precursors and/or direct dyes, which is characterized in that it comprises, in a suitable cosmetic carrier, at least one cellulose ether with 4,000 to 10,000 anhydroglucose units, which is substituted by (a) per mole of anhydroglucose unit on average 0.0003 to 0.08 mol of a nonionic or cationic hydrophobic substituent containing an alkyl group or arylalkyl group having 8 to 24 carbon atoms and (b) a cationic substituent of the formula (I), [R1R2R3R4N+] (Az-)1/z (I) where R1, R2 and R3, independently of one another, are a methyl or ethyl group, R4 is a -CH2-CH2 group or a -CH2-CHOH-CH2 group, Az- is an anion and z is 1, 2 or 3.
La présente application concerne un agent de coloration pour fibres kératiniques à base de précurseurs de teintures d~oxydation et/ou de teintures directes, lequel agent est caractérisé en ce qu~il comprend, dans un véhicule cosmétique approprié, au moins un éther de cellulose comportant de 4000 à 10 000 motifs anhydroglucose, ledit éther étant substitué par (a) en moyenne et par mole de motifs anhydroglucose, 0,0003 à 0,08 moles d'un substituant hydrophobe non ionique ou cationique contenant un groupe alkyle ou un groupe arylalkyle ayant de 8 à 24 atomes de carbone ; et (b) un substituant cationique de formule (I), [R1R2R3R4N+] (Az-)1/z (I), dans laquelle R1, R2 et R3 sont chacun indépendamment un groupe méthyle ou éthyle, R4 est un groupe -CH2-CH2 ou -CH2-CHOH-CH2, Az- est un anion et z vaut 1, 2 ou 3.
Kujawa Jolanthe
Otto Kathrin
Schmenger Jurgen
Mbm Intellectual Property Law Llp
The Procter & Gamble Company
LandOfFree
Colourants for keratin fibres comprising certain cationic... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Colourants for keratin fibres comprising certain cationic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Colourants for keratin fibres comprising certain cationic... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-2082364