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:
Oct. 04, 2011
Filed:
Aug. 07, 2008
Yoshiaki Kumamoto, Tochigi, JP;
Kenta Mukai, Tochigi, JP;
Toru Ugajin, Tochigi, JP;
Takahiro Maezawa, Tochigi, JP;
Naoki Honbo, Maibara, JP;
Akira Isogai, Tokyo, JP;
Yoshiaki Kumamoto, Tochigi, JP;
Kenta Mukai, Tochigi, JP;
Toru Ugajin, Tochigi, JP;
Takahiro Maezawa, Tochigi, JP;
Naoki Honbo, Maibara, JP;
Akira Isogai, Tokyo, JP;
Kao Corporation, Tokyo, JP;
Abstract
Provided is a material for gas barrier containing cellulose fibers having an average fiber diameter of not more than 200 nm, wherein the content of the carboxyl group in a cellulose composing the cellulose fiber is 0.1 to 2 mmol/g. A molded composite having gas barrier properties such as high oxygen barrier properties can be produced by applying the material for gas barrier on a substrate and drying.