Patent ID: 6156710
Filing Date: 2000-12-05
Classification: C11D

Abstract:
A rinse added fabric softening composition comprising:a) from 0.01% to 15% of an acetal or ketal having the formula: ##STR25## wherein R is C.sub.3 -C.sub.20 linear alkyl, C.sub.4 -C.sub.20 branched alkyl, C.sub.6 -C.sub.20 cyclic alkyl, C.sub.6 -C.sub.20 branched cyclic alkyl, C.sub.6 -C.sub.20 linear alkenyl, C.sub.6 -C.sub.20 branched alkenyl, C.sub.6 -C.sub.20 cyclic alkenyl, C.sub.6 -C.sub.20 branched cyclic alkenyl, C.sub.6 -C.sub.20 substituted or unsubstituted aryl, and mixtures thereof; R.sub.1 is hydrogen or R; R.sup.2 and R.sup.3 are each independently selected from the group consisting of C.sub.5 -C.sub.20 linear alkyl, C.sub.4 -C.sub.20 branched alkyl, C.sub.6 -C.sub.20 cyclic alkyl, C.sub.6 -C.sub.20 branched cyclic alkyl, C.sub.6 -C.sub.20 linear alkenyl, C.sub.6 -C.sub.20 branched alkenyl, C.sub.6 -C.sub.20 cyclic alkenyl, C.sub.6 -C.sub.20 branched cyclic alkenyl, C.sub.6 -C.sub.20 aryl, C.sub.7 -C.sub.20 substituted aryl, and mixtures thereof; provided each acetal or ketal:i) is formed from at least one fragrance raw material having a molecular weight greater than or equal to about 100 g/mol;ii) has a molecular weight greater than or equal to about 300 g/mol;iii) has a molecular weight at least two times greater than the lowest molecular weight fragrance raw material which comprises said acetal or ketal; andb) from 85% to 99.99%, by weight of the composition, of adjunct ingredients, said adjunct ingredients selected from the group consisting of fabric softening actives, liquid carriers, concentration aids, soil release agents, perfumes, preservatives, stabilizers, chelants, bacteriocides, colorants, optical brighteners, antifoam agents, and mixtures thereof;wherein said compositions have a neat pH of less than 6 at 20.degree. C.