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, 2008
Filed:
Dec. 19, 2003
Applicants:
Raymond Clarke, Los Altos, CA (US);
Charles B. Derringer, Morgan Hill, CA (US);
Inventors:
Raymond Clarke, Los Altos, CA (US);
Charles B. Derringer, Morgan Hill, CA (US);
Assignee:
Apio, Inc., Guadalupe, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/36 (2006.01); B65D 81/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
Gas-permeable membranes comprising a microporous film and a coating on the microporous film, the coating being obtained by coating the microporous film with a liquid coating composition comprising a polymer and hollow polymeric particles dispersed in the composition, and then solidifying the coating. The gas-permeable membrane has a reduced ratio of carbon dioxide permeability to oxygen permeability.