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. 13, 2003
Filed:
Apr. 07, 2000
Amanda Maria Elsome, Henley On Thames, GB;
Allin Sidney Pratt, Wallingford, GB;
Elizabeth Slade, Kingston Upon Thames, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
A method of removing small quantities of entrained oxygen from sealed packages containing an oxidizable product said method utilizing a particulate catalyst which has high activity for combining hydrogen and oxygen, the catalyst particles being partially encapsulated on a surface of a water-insoluble adhesive which is applied to a predetermined area of the inside surface of the sealed package. The catalyst can be a platinum group metal supported on a porous inert carrier. The adhesive material can be poly(vinylbutyral), nitrocellulose, ethyl cellulose, a polyurethane or a silicone material (e.g., a silicone rubber). The oxidizable product can be a perishable foodstuff.