Patent ID: 7938897
Filing Date: 2011-05-10
Classification: A01N,B01J,C09D,Y10T

Abstract:
1. A microencapsulated biocide comprising: a core material comprising an isothiazolone biocide or antifouling agent; and one or more layers of wall material encapsulating the core material to form a capsule; wherein the capsule releases about 10% or less of the isothiazolone biocide or antifouling agent in xylene at room temperature over 90 days and provides sustained release of the core material upon immersion in water; wherein the one or more layers of wall material is selected from the group consisting of a reaction product of polyvinyl alcohol and a phenolic resin, a reaction product of an amino formaldehyde resin, an acrylic polymer, a reaction product of polyvinyl alcohol and an isocyanate, and a gelatin-gum.