Rheology modifier for use in aqueous compositions
US6458888B1 · kind B1 · utility
56Cited by
1References
22Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 15, 2001 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Jun 15, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2300/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A rheology modifier for use in aqueous or alcoholic compositions includes an aqueous two-phase polymeric composition of by weight, 5-75% of (a) a water-soluble polymer having (b) in situ-formed, substantially water-insoluble resinous particles of said polymer substantially uniformly dispersed therein, and (c) 25-95% of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.