Patent ID: 6287547
Filing Date: 2001-09-11
Classification: A61K,A61Q

Abstract:
A hair treatment composition which comprises an aqueous solution or an aqueous dispersion of at least one quaternary ammonium salt (A) represented by the general formula (I), (2) or (3): ##STR9##whereinR.sup.a represents an organic group containing 6 to 32 carbon atoms,R.sup.b and R.sup.c are the same or different and each represents an organic group containing 1 to 32 carbon atoms,R.sup.d represents an organic group containing 1 to 4 carbon atoms, andQ.sup.- represents an amino acid anion; ##STR10##whereinX.sup.1 represents an ester group;R.sup.5 represents an alkyl, alkenyl or hydroxyalkyl group and R.sup.6 represents an alkylene, alkenylene or hydroxyalkylene group, the sum of carbon atoms contained in R.sup.5 and R.sup.6 being 6 to 32,R.sup.7 and R.sup.8 are the same or different and each represents a group of the formula R.sup.5 --X.sup.1 --R.sup.6 --, an alkyl group containing 1 to 4 carbon atoms or a hydroxyalkyl group containing 2 to 4 carbon atoms,R.sup.9 represents an alkyl group containing 1 to 4 carbon atoms or a hydroxyalkyl group containing 2 to 4 carbon astoms, andQ.sup.- represents an amino acid anion;wherein said amino acid in formula (2) is selected from the group from the group consisting of glycine, alanine, valine, leucine, isoleucine, serine, threonine, cystine, methionine, asparagine, glutamine, phenylalanine, tyrsine, proline, tryptophan, aspartic acid, glutamic acid, cysteic acid, lysine, arginine and histidine; ##STR11##whereinX.sup.2 represents an amide group,R.sup.13 represents an alkyl, alkenyl or hydroxyalkyl group and R.sup.14 represents an alkylene, alkenylene or hydroxyalkylene group, the sum of carbon atoms contained in R.sup.13 and R.sup.14 being 6 to 32,R.sup.10 and R.sup.11 are the same or different and each represents a group of the formula R.sup.13 --X.sup.2 --R.sup.14 --, a group of the formula R.sup.5 --X.sup.1 --R.sup.6 --, an alkyl group containing 1 to 4 carbon atoms or a hydroxyalkyl group containing 2 to 4 carbon atoms,X.sup.1 represents an ester group, R.sup.5 represents an alkyl, alkenyl or hydroxyalkyl group and R.sup.6 represents an lakylene, alkenylene or hydroxyalkylene group, the sum of carbon atoms contained in R.sup.5 and R.sup.6 being 6 to 32,R.sup.12 represents an alkyl group containing 1 to 4 carbon atoms or a hydroxyalkyl group containing 2 to 4 carbon atoms, andQ.sup.- represents an amino acid anion.