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:
Aug. 11, 1998
Filed:
Aug. 13, 1996
Applicant:
Inventors:
James Graham Bonner, Edinburg, GB;
Anthony Keith Powell, Linlithgow, GB;
Assignee:
BP Chemicals Limited, London, GB;
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
428 366 ; 525185 ; 426106 ; 426415 ; 26433115 ; 26433117 ; 26433118 ;
Abstract
Food packaging comprises a blend of polyketone and PVC. The blends show good oxygen barrier properties without serious deterioration of moisture barrier performance. Terpolymers of ethylene, propylene and CO are preferred. PVC having a K-value of 50 to 80 are preferred.