US 7,588,830 B2
	Heat shrinkable films containing single site catalyzed copolymers
Kelly R. Ahlgren, Greenville, S.C. (US); Robert Babrowicz, Spartanburg, S.C. (US); Solomon Bekele, Taylors, S.C. (US); Blaine C. Childress, Inman, S.C. (US); Marvin R. Havens, Greer, S.C. (US); Ronald D. Moffitt, Spartanburg, S.C. (US); Gautam P. Shah, Simpsonville, S.C. (US); and George D. Wofford, Duncan, S.C. (US)
Assigned to Cryovac, Inc., Duncan, S.C. (US)
Filed on Feb. 21, 2003, as Appl. No. 10/370,834.
Application 10/370834 is a continuation of application No. 08/996367, filed on Dec. 22, 1997.
Application 08/996367 is a continuation of application No. 08/962825, filed on Nov. 03, 1997, abandoned.
Application 08/962825 is a continuation of application No. 08/018657, filed on Feb. 17, 1993, abandoned.
Application 08/018657 is a continuation in part of application No. 07/983017, filed on Nov. 30, 1992, abandoned.
Application 07/983017 is a continuation in part of application No. 07/976122, filed on Nov. 13, 1992, abandoned.
Prior Publication US 2004/0009314 A1, Jan. 15, 2004
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 27/08 (2006.01)

U.S. Cl. 428—515  [428/516; 428/520]

12 Claims

1. A heat-shrinkable film comprising a homogeneous linear single site catalyzed copolymer of ethylene and an alpha-olefin having from three to ten carbon atoms, the copolymer having a density above 0.90 g/cc, and a total free shrink at 195° F. of 101 to 114 percent, and an instrumented impact strength of 66.3 to 86.4 pounds.