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:
Aug. 18, 2009
Filed:
Dec. 18, 2003
Xiaorong Wang, Hudson, OH (US);
Hiroyuki Fudemoto, Tokyo, JP;
James E. Hall, Mogadore, OH (US);
Shunji Araki, Kodaira, JP;
Terrence Hogan, Akron, OH (US);
Victor J. Foltz, Akron, OH (US);
Pat Sadhukhan, Akron, OH (US);
Georg G. A. Böhm, Akron, OH (US);
Xiaorong Wang, Hudson, OH (US);
Hiroyuki Fudemoto, Tokyo, JP;
James E. Hall, Mogadore, OH (US);
Shunji Araki, Kodaira, JP;
Terrence Hogan, Akron, OH (US);
Victor J. Foltz, Akron, OH (US);
Pat Sadhukhan, Akron, OH (US);
Georg G. A. Böhm, Akron, OH (US);
Bridgestone Corporation, Tokyo, JP;
Abstract
A polymer composition of low gas permeability. The composition includes an exfoliated organically-modified clay, butyl rubber, and a polymeric exfoliant. A method for producing the butyl composition by dry mixing the butyl rubber with the exfoliated clay is also provided.