The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 2009
Filed:
Dec. 16, 2004
Applicants:
Geraldine M. Lenges, Wilmington, DE (US);
Timothy A. Libert, Hockessin, DE (US);
Inventors:
Geraldine M. Lenges, Wilmington, DE (US);
Timothy A. Libert, Hockessin, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 33/02 (2006.01); C08L 23/00 (2006.01); C08L 23/04 (2006.01); C09J 7/02 (2006.01); C09D 11/10 (2006.01); C08G 18/42 (2006.01); C09B 67/00 (2006.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is linear polyethylene composition suitable for use as a heat seal resin, wherein the resin comprises: (a) from about 70 wt % to about 90 wt % of a linear polyethylene having a density of from about 0.88 to about 0.92 g/cm; (b) from about 0 wt % to about 30 wt % of a copolymer of ethylene and an α,β-unsaturated carboxylic acid and/or an ionomer thereof; and, (c) from about 2 wt % to about 10 wt % of a tackifier.