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:
Jan. 04, 2011
Filed:
Mar. 24, 2004
Mitsunori Nodono, Tsukuba, JP;
Mitsunori Nodono, Tsukuba, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
The present invention provides a process for producing a polymerelectrolyte membrane comprising the steps of coating a solution of a polymerelectrolyte on at least one surface of a porous substrate and laminating the coated porous substrate and a supporting material while applying a tension F (kg/cm) in a range of the following expression (A)0.01≦F≦10  (A)to the coated porous substrate. According to the present invention, a polymerelectrolyte composite membrane in which wrinkling and the like are suppressed and whose appearance is excellent can be continuously produced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile