Process and composition for providing reduced discoloration...

Details Process and composition for providing reduced discoloration... Process and composition for providing reduced discoloration...

C - Chemistry, Metallurgy

09

D

400/7022

C09D 121/02 (2006.01) C09D 5/14 (2006.01)

Patent

CA 2006668

PCT-10185 PROCESS AND COMPOSITION FOR PROVIDING REDUCED DISCOLORATION CAUSED BY THE PRESENCE OF PYRITHIONE AND FERRIC ION IN WATER-BASED PAINTS AND PAINT BASES Abstract of the Disclosure This invention relates generally to paints and paint bases and, more specifically, to a process and composition for providing reduced discoloration of paints and paint bases containing a pyrithione and ferric ion. The discoloration caused by the presence of pyrithione and ferric ion is reduced or inhibited by the addition of an alkali or alkaline earth metal salt of 1-hydroxyethane-1,1-diphosphonic acid. 1035B

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