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:
Sep. 13, 1994
Filed:
Apr. 23, 1993
Applicant:
Inventors:
Drew V Speer, Columbia, MD (US);
William P Roberts, Columbia, MD (US);
Charles R Morgan, Brookeville, MD (US);
Cynthia L Ebner, Mt. Airy, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ;
U.S. Cl.
CPC ...
25218828 ; 526 90 ; 526335 ; 428 352 ; 428 358 ;
Abstract
A composition for scavenging oxygen is disclosed. The composition comprises an ethylenically unsaturated hydrocarbon and a transition metal catalyst and can be incorporated into various types of layers. It is preferable that the composition be incorporated into layers of multilayered articles used for packaging oxygen-sensitive products such as food products.