Liquid polymer containing compositions for thickening aqueous systems
US4670164A · kind A · utility
5Cited by
7References
6Claims
0Family size
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Key dates
| Filing date | Apr 3, 1986 |
| Grant date | Jun 2, 1987 |
| Priority date | — |
| Expiry date | Apr 3, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/925
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid polymer containing composition, useful as a thickening agent for aqueous systems, containing hydroxyethyl cellulose, a hydrophobic liquid medium in which the hydroxyethyl cellulose is substantially non-swellable and a gelling agent for thickening the hydrophobic liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.