Phosphoric acid monoesters useful for surface treatment of pigments for waterborne coatings
US5466482A · kind A · utility
14Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 15, 1994 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Dec 15, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0009
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a process for surface treating organic pigments by applying to the surface of an organic pigment PA1 (a) about 0.5 to about 15 percent by weight, relative to the pigment, of a phosphoric acid monoester having the formula ##STR1## wherein R is an optionally substituted saturated or unsaturated C.sub.5 -C.sub.40 aliphatic group, and M is hydrogen, metal, or ammonium; optionally in admixture with PA1 (b) 0 to about 10 percent by weight, relative to the phosphoric acid monoester, of a process additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.