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:
Mar. 26, 1991
Filed:
Sep. 01, 1989
Applicant:
Inventors:
John A Naumovitz, Midland, MI (US);
Steven R Jenkins, Midland, MI (US);
Mark J Hall, Midland, MI (US);
Stephen R Betso, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524109 ; 524417 ; 524436 ; 524487 ; 524489 ; 524568 ;
Abstract
The present invention is a formulated barrier composition containing tetrasodium pyrophosphate or magnesium hydroxide, high density polyethylene, epoxidzed vegetable oil, oxidized polyolefin and a paraffin or polyolefin wax. The composition has a substantially lower oxygen permeability than existing compositions and is at least equally extrudable.