IDiyas

For the Inventor, By the Inventor

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.:

US 11396595 B1

PDFFull Text
Date of Patent:
Jul. 26, 2022

Filed:

Mar. 15, 2013

Vinylidene chloride copolymer composition for barrier film

Applicant:

SK Saran Americas Llc, Midland, MI (US);

Inventors:

Douglas E. Beyer, Midland, MI (US);

Steven R. Jenkins, Sanford, MI (US);

Assignee:

SK Saran Americas LLC, Midland, MI (US);

Attorney:

The Webb Law Firm

Primary Examiner:

Callie E Shosho

Assistant Examiner:

John Vincent Lawler

Int. Cl.
CPC ...
C08L 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/08 (2006.01); B32B 27/22 (2006.01); C08L 33/06 (2006.01); C08L 33/12 (2006.01); C08K 5/1515 (2006.01); B65D 85/76 (2006.01); B65D 81/26 (2006.01);
U.S. Cl.
CPC ...
C08L 27/08 (2013.01); B32B 27/08 (2013.01); B32B 27/22 (2013.01); B32B 27/304 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); C08K 5/1515 (2013.01); C08L 33/06 (2013.01); C08L 33/12 (2013.01); B32B 2250/03 (2013.01); B32B 2250/24 (2013.01); B32B 2250/40 (2013.01); B32B 2270/00 (2013.01); B32B 2307/724 (2013.01); B32B 2439/70 (2013.01); B65D 81/26 (2013.01); B65D 85/76 (2013.01); Y10T 428/31935 (2015.04);
Abstract

The present disclosure is directed to a composition comprising (a) a vinylidene chloride/methyl acrylate interpolymer having greater than 6 wt % methyl acrylate mer units in the interpolymer, (b) greater than 6 wt % of an epoxy plasticizer; and (c) less than 4 wt % of an acrylate polymer. The composition exhibits a crystallization time greater than 25 minutes to crystallization at 35° C. Films made from the present composition show improved processability and find advantageous application as permeable barrier film for food packaging, for specialty food packaging, and for gassy cheese.

Find Patent Forward Citations

Loading…