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:
Apr. 15, 2003
Filed:
Jul. 23, 1998
Applicant:
Inventors:
Raymond Clarke, Los Altos, CA (US);
Donald A. Schultz, San Mateo, CA (US);
Assignee:
Landec Corporation, Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/700 ;
U.S. Cl.
CPC ...
B32B 2/700 ;
Abstract
Novel gas-permeable membranes which are particularly useful in the packaging of fresh cut fruit and vegetables, and other respiring biological materials. The membranes comprise a microporous film or other gas-permeable substrate and, coated on the substrate, a layer of a block copolymer having a heat of fusion of at least 5 J/g and containing polysiloxane polymeric blocks and crystalline polymeric blocks having a melting point of −5 to 40° C.