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. 16, 2004
Filed:
Nov. 30, 2001
Applicant:
Inventors:
Hu Yang, San Ramon, CA (US);
Ta Yen Ching, Novato, CA (US);
Kevin Cai, Danville, CA (US);
Lennard Torres, Pleasanton, CA (US);
Assignee:
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/504 ; B32B 7/00 ; B29D 2/200 ;
U.S. Cl.
CPC ...
C09K 1/504 ; B32B 7/00 ; B29D 2/200 ;
Abstract
Oxygen barrier copolymers and methods of making the same are disclosed. The oxygen barrier copolymers comprise repeating units derived from vinylidene chloride and oxygen scavenging repeating units. The oxygen scavenging repeating units can comprise oxygen scavenging moieties that are cycloalkenyl. Oxygen barrier compositions, methods of preparing oxygen barrier compositions, and packaging articles comprising oxygen barrier copolymer are also disclosed.