Patent 6843815 was granted and assigned to 3M on January, 2005 by the United States Patent and Trademark Office.
A curable composition comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional (meth)acrylate, dicyandiamide and photoinitiator. The curable composition is useful for preparing treated backings and coated abrasive articles.