Method of improving viscosity stability upon addition of a colorant component
US7125919B2 · kind B2 · utility
3Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2003 |
| Grant date | Oct 24, 2006 |
| Priority date | — |
| Expiry date | Nov 8, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D7/43
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A tinting composition containing a colorant component is disclosed. In addition, a method of improving the viscosity stability of a composition upon the addition of a colorant component employing an associative thickener, a macromolecular organic compound having a hydrophobic cavity, a dispersing resin and combinations thereof is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.