Epoxy-functionallized polymeric microbeads and dispersions thereof may be prepared using a cationic non-aqueous dispersion-suspension photopolymerization. The polymeric microbeads may be further modified with a variety of additional groups by reaction with various reagents with the epoxy moities....http://www.google.es/patents/US6602602?utm_source=gb-gplus-sharePatente US6602602 - Epoxy-functional polymeric microbeads