Process for stabilizing zinc pyrithione plus cuprous oxide in pa

Details Process for stabilizing zinc pyrithione plus cuprous oxide in pa Process for stabilizing zinc pyrithione plus cuprous oxide in pa

1991-03-04

1992-03-24

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

106 1505, 106 16, 106 1834, 514188, 514345, 514499, 514500, C09D 514

Patent

active

050984730

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.

REFERENCES:
patent: 3615744 (1977-08-01), Yokoo et al.
patent: 4039312 (1977-08-01), Patru
patent: 4581351 (1986-04-01), Berke et al.
patent: 4918147 (1990-04-01), Yamamori et al.

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