Patent ID: 8895052
Filing Date: 2014-11-25
Classification: A61K,A61L,A61P,C08G,C09J

Abstract:
1. A polyurethane composition comprising a reaction product of: (a) an isocyanate group-containing component selected from the group consisting of lysine diisocyanate and esters thereof, lysine triisocyanate and esters thereof, and combinations thereof; and (b) an active hydrogen group-containing component comprising (i) at least one poly-hydroxy functional compound selected from the group consisting of a polyether polyols, polyester polyols, and polyhydroxyalkyl derivatives of C wherein the ratio of hydroxyl groups to isocyanate groups ranges from 0.521 to 0.85; wherein the composition is biodegradable, a solid at 22° C., and has pressure sensitive adhesive properties at a temperature of 37° C. and relative humidity of 100%.