Liquid detergent comprising anionic surfactants and colour fixing agent
US7544652B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 15, 2005 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Oct 15, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Liquid washing and cleaning compositions are claimed, which comprise one or more anionic surfactants from the group of the alkylbenzenesulfonates, olefinsulfonates, alkylsulfonates, alkyl ether sulfonates together with sec. alkanesulfonate, and one or more components from the group of the soaps, ether carboxylates, betaines and a nonionic surfactant, and, as a dye fixative, homo- and copolymers of diallyldimethylammonium chloride or the reaction products of cyanamides with aldehydes and ammonium salts or cyanamides with aldehydes and monoamines or monoamines and/or polyamines with epichlorohydrin or polyamines with cyanamides and amidosulfuric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.