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:
Nov. 30, 2021
Filed:
Apr. 11, 2017
Applicant:
Dak Americas Llc, Charlotte, NC (US);
Inventors:
Rajat Kapoor, Lexington, SC (US);
Peter S. Kezios, Wilmington, NC (US);
George F. Rollend, Amherst, NH (US);
Assignee:
DAK AMERICAS LLC, Charlotte, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/36 (2006.01); C08L 67/02 (2006.01); B29C 49/00 (2006.01); B29C 49/22 (2006.01); B65D 65/40 (2006.01); B65D 81/26 (2006.01); C08K 3/22 (2006.01); B29K 67/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); B29C 49/0005 (2013.01); B29C 49/22 (2013.01); B32B 27/36 (2013.01); B65D 65/40 (2013.01); B65D 81/266 (2013.01); B29K 2067/003 (2013.01); B29L 2031/712 (2013.01); B32B 2307/7244 (2013.01); B32B 2439/00 (2013.01); C08K 2003/2241 (2013.01); C08L 2201/14 (2013.01); C08L 2203/10 (2013.01); C08L 2205/025 (2013.01); Y10T 428/139 (2015.01); Y10T 428/1352 (2015.01); Y10T 428/1393 (2015.01);
Abstract
Three independent approaches to the reduction of gas molecule permeability through a polyethylene terephthalate (PET) polyester film or container wall by increasing the mechanically or thermally induced crystallinity or the overall crystallinity level of a single or multilayer container, where the three approaches may be employed independently or in combination with one another.