Method of improving viscosity stability upon addition of a colorant component
US6887928B2 · kind B2 · utility
8Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2001 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Sep 17, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L33/26
- 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 compound having a hydrophobic cavity, a dispersing resin and combinations thereof is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.