Non-ionic thickeners for pigment compositions, in particular for paints and applications thereof
US7217761B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2002 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | Jun 6, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L71/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to the use of a compound with an alkylene oxide chain as a thickener of aqueous compositions, containing a filler and/or pigmented, white or colored, with the aim of supplying pigmentary compositions for paint which provide excellent pigmentary compatibility and a high viscosity at small and medium shear stress gradient.The invention also relates to the said non-ionic thickener as well as the aqueous composition, containing a filler and/or pigmented, white or colored, containing same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.