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:
May. 08, 2001
Filed:
Oct. 30, 1998
Applicant:
Inventors:
Cynthia Louise Ebner, New Market, MD (US);
Thomas Andrew Blinka, Columbia, MD (US);
Assignee:
W. R. Grace & Co.-Conn, Columbia, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F 1/70 ; B32B 3/02 ;
U.S. Cl.
CPC ...
C02F 1/70 ; B32B 3/02 ;
Abstract
An improved oxygen scavenging composition and packaging container formed therefrom is disclosed. The container is suitable for storage of oxygen sensitive materials and has as part of its exposed interior surface a composition composed of a polymeric matrix with a oxygen scavenger and a substantially water-insoluble transition metal containing compound distributed therein.