Method of preparing fabric conditioning compositions
US6841529B2 · kind B2 · utility
0Cited by
8References
5Claims
0Family size
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Key dates
| Filing date | Sep 9, 2002 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Dec 3, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of preparing an aqueous, liquid fabric conditioning composition comprising (a) from about 2.5 to 80% by weight of an ester-linked quaternary ammonium fabric softening material comprising at least one mono-ester linked component and at least one tri-ester linked component, (b) a fatty complexing agent and (c) a perfume wherein the weight ratio of the mono-ester component of compound (a) to compound (b) is from 5:1 to 1:5, wherein the method comprises the steps of the method comprising the steps of:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.