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:
Feb. 12, 2002
Filed:
Feb. 11, 2000
Paul J. Cahill, Wheaton, IL (US);
Joel A. Richardson, Naperville, IL (US);
George E. Rotter, Naperville, IL (US);
Granville L. Smyser, Naperville, IL (US);
Roman F. Barski, Jr., Arlington Heights, IL (US);
Raymond V. Wass, Glen Ellyn, IL (US);
Walter M. Nyderek, Tinley Park, IL (US);
BP Corporation North America Inc., Chicago, IL (US);
Abstract
Active oxygen scavenging compositions and their use in packaging articles are disclosed. The compositions are all plastic materials and are typically deployed as at least one layer in a multi-layered wall of a packaging article such as a bottle, can or film. The compositions are usually used in conjunction with added transition metal catalyst to enhance the uptake of oxygen. Use of the compositions and package constructions disclosed serves to lengthen the shelf life of packaged oxygen sensitive substances and/or diminish the need for refrigeration of the packages.