Patent ID: 7377968
Filing Date: 2008-05-27
Classification: A01N,C09D,Y10T

Abstract:
1. A coating composition comprising: a. a microencapsulated biocide comprising an isothiazolone biocide or antifouling agent as a core material encapsulated in a wall material that is essentially impermeable to xylene and from which water can leach the biocide from the wall material; b. free isothiazolone biocide or antifouling agent; c. a film forming polymer or binder; and d. one or more solvents; wherein the concentration of free isothiazolone biocide or antifouling agent is from 0.25 percent, by weight of the composition, up to a concentration that does not reduce the glass transition temperature of the film forming polymer by more than 20° C.