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:
May. 03, 2022
Filed:
Dec. 22, 2016
Applicant:
Bemis Company, Inc., Neenah, WI (US);
Inventor:
Melissa Kanzelberger Coolich, Hortonville, WI (US);
Assignee:
Bemis Company, Inc., Neenah, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B32B 27/08 (2006.01); C08L 23/06 (2006.01); C08L 23/16 (2006.01);
U.S. Cl.
CPC ...
B32B 27/32 (2013.01); B32B 27/08 (2013.01); C08L 23/06 (2013.01); C08L 23/16 (2013.01); B32B 2270/00 (2013.01); B32B 2307/31 (2013.01); B32B 2323/043 (2013.01); B32B 2323/046 (2013.01); B32B 2439/70 (2013.01); C08L 2203/162 (2013.01); C08L 2205/03 (2013.01);
Abstract
The present invention is directed to hot-fill/retort packaging films having a sealant layer composition comprising a first propylene-ethylene copolymer, a second propylene-ethylene copolymer and a polyethylene. Hot-fill/retort packaging films are provided herein having a sealant layer composition that exhibits an ultimate hot tack within a range from 88 N/m to 876 H/m (0.5 lb./in to 5 lb./in) at a temperature within the range from 116° C. to 182° C. (240° F. to 360° F.).