Process for stabilizing zinc pyrithione plus cuprous oxide in paint
US5098473A · kind A · utility
26Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1991 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | Mar 4, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/1612
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates generally to paints and paint bases, and, more specifically to a process for providing a stable gel-free dispersion of zinc pyrithione plus cuprous oxide biocide in paint. In accordance with the process of the present invention, the zinc pyrithione is purified to a purity assay of at least 98% in order to provide gellation-inhibition in the paint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.