Patent Number: 6,441,126

Title: Branched aliphatic polyesters

Abstract: A gum base comprising at least one crosslinked branched aliphatic biodegradable polyester comprising repeat units formed from at least one polyol having three to four hydroxy groups, or ester thereof, at least one dibasic acid, or ester thereof, and at least one long chain monocarboxylic acid, or ester thereof. The process of producing a crosslinked branched aliphatic biodegradable polyester gum base by reactive extrusion is also included.

Inventors: Cook; Phillip M. (Kingsport, TN), Staples; John M. (Kingsport, TN), Tomlinson; Charles R. (Blountville, TN)

Assignee: Eastman Chemical Company

International Classification: C08G 63/20 (20060101); C08G 63/12 (20060101); C08G 63/52 (20060101); C08G 63/00 (20060101); C08G 63/48 (20060101); C08G 63/78 (20060101); C08G 063/16 ()

Expiration Date: 08/27/2010