Liquid softeners
US7074753B2 · kind B2 · utility
3Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2004 |
| Grant date | Jul 11, 2006 |
| Priority date | — |
| Expiry date | May 8, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/62
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid softener composition suitable for treatment of clothes and/or fabrics, composed by a) anionic surfactants of the formula R—O-(AO)n—SO3− M+ in the range of 1 to 20% b) a cationic surfactant or association of cationic surfactants in the range of 1 to 40% c) optionally amphoteric and/or non-ionic surfactants in the range of 0.1 to 20%; wherein the cationic compounds and anionic surfactants are present in a weight ratio of 1.5:1 to 19:1 (cationics/anionics).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.