US 7,321,008 B2
Bioabsorbable branched polymers end-capped with diketene acetals
Steven L. Bennett, Watertown, Conn. (US); Kevin Connolly, Culver City, Calif. (US); Elliott Gruskin, Killingworth, Conn. (US); and Ying Jiang, North Haven, Conn. (US)
Assigned to United States Surgical Corporation, North Haven, Conn. (US)
Filed on Aug. 28, 2006, as Appl. No. 11/511,133.
Application 11/511133 is a division of application No. 10/630945, filed on Jul. 30, 2003, granted, now 7,097,907.
Application 10/630945 is a continuation of application No. 09/934639, filed on Aug. 22, 2001, abandoned.
Application 09/934639 is a continuation of application No. 09/282724, filed on Mar. 31, 1999, granted, now 6,339,130.
Application 09/282724 is a continuation of application No. 08/733683, filed on Oct. 17, 1996, abandoned.
Application 08/733683 is a continuation in part of application No. 08/477098, filed on Jun. 07, 1995, granted, now 5,578,662.
Application 08/477098 is a continuation in part of application No. 08/278898, filed on Jul. 22, 1994, abandoned.
Prior Publication US 2006/0293406 A1, Dec. 28, 2006
Int. Cl. C08L 65/26 (2006.01); C08L 65/331 (2006.01); A61L 31/06 (2006.01)
U.S. Cl. 524—54  [528/297; 528/365; 528/366; 528/370; 528/393; 525/412; 606/77; 606/230] 12 Claims
 
1. A biocompatible composition comprising a branched copolymer containing a major amount of alkylene oxide units and a minor amount of units derived from a bioabsorbable monomer selected from the group consisting of glycolic acid, glycolide, lactic acid, lactide, p-dioxanone, trimethylene carbonate, trimethylene dimethylene carbonate, dioxepanone, alkylene oxalates, epsilon-caprolactone, and combinations thereof, said copolymer being endcapped with at least one group derived from a diketene acetal.