Patent ID: 6984618

Claim:
A method of softening-through-the-wash comprising the step of administering a composition to a laundry wash wherein the composition comprises: (i) a fabric-softening cationic quaternary ammonium di-ester compound comprising a cationic quaternary ammonium component having the formula: wherein, each R is independently selected from C 12 –C 22 alkyl groups; and (ii) a source of acid an anionic derivative of the source of acid, or a combination thereof wherein the source of acid is selected from the group consisting of C 12 –C 22 fatty acids, mono-alkyl esters of a C 12 –C 22 alkyl sulphuric acids, C 11 –C 13 alkyl benzene sulphonic acids, and combinations thereof; (iii) clay; and (iv) one or more anionic surfactants wherein the anionic surfactant is C 8-18 alkyl sulfate, C 8-18 alkyl sulphonates, C 8-18 alkyl benzene sulphate, C 8-18 alkyl benzene sulphonate, C 8-18 alkenyl sulphates, C 8-18 alkenyl sulphonates, C 8-18 alkenyl benzene sulphates, C 8-18 alkenyl benzene sulphonates, C 8-18 alkyl di-methyl benzene sulphate, C 8-18 alkyl di-methyl benzene sulphonate, fatty acid ester sulphonates, di-alkyl sulphosuccinates, or combinations thereof.