Anti-settling and thickening compositions and methods for using same
US9434846B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2013 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Dec 18, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/1802
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An anti-settling additive, composition containing the anti-settling additive, and methods for use in coating compositions or formulations. A HASE thickener with improved resistance to surfactants and anti-sag properties, compositions containing the thickener and methods for use of the thickener in coating compositions or formulations and the like. The anti-settling additive and the thickener being a polymer synthesized using a specialized associative monomer that contains C1-C4 alkyl, propylene oxide, ethylene oxide and a polymerizable group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.