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:
Feb. 19, 2019
Filed:
Mar. 30, 2017
Applicant:
Graham Packaging Company, L.p., Lancaster, PA (US);
Inventors:
Murali K. Akkapeddi, York, PA (US);
Brian A. Lynch, Merrimack, NH (US);
Assignee:
GRAHAM PACKAGING COMPANY, L.P., Lancaster, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/02 (2006.01); B65D 81/26 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); B65D 81/266 (2013.01); C08K 2201/012 (2013.01); C08L 2201/08 (2013.01); C08L 2201/10 (2013.01);
Abstract
A composition comprising: a polyester base polymer; a blend of two distinct polyether-based oxygen scavenging additives, OS1 and OS2, wherein each of OS1 and OS2 is selected from the group consisting of a polyether diol, an ester end-capped derivative of a polyether diol, a polyether-polyester block copolymer, and an ether end-capped derivative of a polyetherdiol, wherein OS1 has a molecular weight of from 10,000 to 100,000 and OS2 has a molecular weight of from 200 to 5,000; and a transition metal catalyst.