Patent Number: 6,293,037

Title: Pressure-sensitive adhesives and self-adhesive postage stamps made therewith

Abstract: Acrylic, self-adhesive postage stamps are provided and include a flexible facestock bearing an acrylic pressure-sensitive adhesive (PSA), protected by a release liner. The acrylic PSA is a tackified or inherently tacky polymer formed from a plurality of monomers comprising, based on the total weight of monomeric composition, essentially of (i) 9 to 40% isobornyl acrylate and (ii) 50 to 91% of one or more alkyl acrylates.

Inventors: Spada; Lon T. (Walnut, CA), Koch; Carol A. (San Gabriel, CA), Alpaugh; Kathleen M. (Concord Township, OH)

Assignee: Avery Dennison Corporation

International Classification: C08F 220/18 (20060101); C08F 220/00 (20060101); C09J 133/08 (20060101); C09J 133/06 (20060101); C09J 4/00 (20060101); G09F 003/10 ()

Expiration Date: 09/25/2018