Rheology modifying copolymer composition
US6433061B1 · kind B1 · utility
70Cited by
15References
61Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2000 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Oct 24, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A rheology modifying copolymer composition containing a cross-linked copolymer of unsaturated carboxylic acid, a hydrophobic monomer, a hydrophobic chain transfer agent, a cross linking agent, and, optionally, a steric stabilizer, provides increased viscosity in aqueous electrolyte-containing environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.