Process for grinding in aqueous suspension of coarse mineral intended for pigment applications
US4845191A · kind A · utility
9Cited by
15References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 19, 1987 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Mar 19, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/62
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Grinding agent for aqueous suspension of coarse mineral materials intended for pigment applications, composed of an alkaline acrylic polymer and/or copolymer, with an average specific viscosity of less than 0.8, formed of a fraction of this polymer and/or copolymer isolated by means of a polar solvent, the specific viscosity of said fraction comprised between 0.3 and 0.8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.