Liquid detergent compositions containing hydroxypropyl methylcellulose
US4532067A · kind A · utility
13Cited by
13References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1984 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Jan 11, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/225
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous liquid detergent composition containing a nonionic surfactant, a builder, a particular hydroxypropyl methylcellulose ether and optionally an anionic surfactant is disclosed having unusual stability, especially at low temperatures. The hydroxypropyl methylcellulose is characterized as having 28-30% methoxyl and 7-12% hydroxypropyl substitution with molecular weight from 5-250 cps nominal viscosity in 2% aqueous solution at 68.degree. F.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.