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:
Sep. 10, 2019
Filed:
Aug. 04, 2016
Applicant:
Dsm Ip Assets B.v., Heerlen, NL;
Inventors:
Assignee:
DSM IP ASSSETS B.V., Heerlen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/02 (2019.01); B32B 27/08 (2006.01); B32B 7/12 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/30 (2006.01); B29C 39/20 (2006.01); B29C 39/22 (2006.01); B29C 49/22 (2006.01); B29C 49/42 (2006.01); B29K 23/00 (2006.01); B29K 77/00 (2006.01); B29K 105/00 (2006.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 7/12 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B29C 39/203 (2013.01); B29C 39/22 (2013.01); B29C 49/22 (2013.01); B29C 49/4273 (2013.01); B29C 2049/227 (2013.01); B29K 2023/06 (2013.01); B29K 2023/086 (2013.01); B29K 2023/12 (2013.01); B29K 2077/00 (2013.01); B29K 2105/0002 (2013.01); B29K 2105/0085 (2013.01); B29K 2995/0041 (2013.01); B29K 2995/0067 (2013.01); B29K 2995/0097 (2013.01); B29L 2007/008 (2013.01); B29L 2009/00 (2013.01); B32B 2250/24 (2013.01); B32B 2270/00 (2013.01); B32B 2307/406 (2013.01); B32B 2307/412 (2013.01); B32B 2439/70 (2013.01);
Abstract
The invention relates to a co-extruded film comprising a sealing layer of low density polyethylene and a skin layer, wherein the skin layer comprises a copolyamide which comprises: •At least 75 wt % monomeric units derived from caprolactam; •Between 5 to 25 wt % monomeric units derived from a diamine and terephthalic acid; wherein the weight percentage is with respect to the total weight of copolyamide in the skin layer. The invention also relates to a process for preparing such a film, as well as applications of the film.