A fabric softening composition comprising from 1 to 80% by weight of ester-linked quaternary ammonium fabric softening material comprising a quaternised mixture of mono- di- and tri-ester of alkanolamine in which the tri-ester content of said mixture is from 25 to 50% by weight of said mixture, wherein: (i) when the tri-ester content is from 25 to 30% by weight of said mixture the free amine content of the composition is less than 0.5% by weight on the weight of said mixture, (ii) when the tri-ester content is more than 30% by weight of said mixture the free amine content of the composition is less than 6% by weight based on the weight of said mixture, the composition containing less than 1% by weight of free fatty acid based on said mixture.
申请公布号
ZA200806716(B)
申请公布日期
2009.10.28
申请号
ZA20080006716
申请日期
2007.01.31
申请人
UNILEVER PLC
发明人
BERNHARDT, RANDAL;COURDAVAULT-DUPRAT, STEPHANE;GRAINGER, DAVID STEPHEN;HUBBARD, JOHN FRANCIS;LEVINSON, MATTHEW;NEPRAS, MARSHALL;RAY, DIDIER;TERRY, MICHAEL