Liquid detergents containing colour fixing agents
US7541327B2 · kind B2 · utility
0Cited by
4References
29Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 18, 2005 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Oct 28, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/92
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to liquid washing agents and detergents containing, as surfactants, at least one of the constituents of linear alkyl benzene sulfonate, olefin sulfonate, alkyl sulfate, and ether carboxylate and/or betaine and a non-ionic surfactant, and as color fixing agents, homopolymers or copolymers of diallyl-dimethyl-ammonium chloride or the reaction products of cyanamides with aldehydes and ammonium salts, or cyanamides with aldehydes and monoamines, or monoamines and/or polyamines with epichlorhydrine, or polyamines with cyanamides and amidosulphuric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.