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:
Jul. 19, 2005
Filed:
Sep. 20, 2001
Applicants:
Yoshitsugu Hama, Naruto, JP;
Yoshifumi Kusaka, Tokushima, JP;
Akihiro Okubo, Itano-gun, JP;
Inventors:
Assignees:
Awa Paper Mfg. Co., Ltd., Tokushima, JP;
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D063/00 ; D21F011/00 ; D04H001/00 ;
U.S. Cl.
CPC ...
Abstract
A semipermeable membrane support includes, a non-woven fabric including main fiber and binder fiber, both of which are formed of synthetic resin fine fiber, the non-woven fabric being manufactured by heating and pressing after paper making, wherein the semipermeable membrane support has a ratio of a tensile strength in a paper feeding direction to that in a width direction of 2:1 to 1:1.
Hama, Yoshitsugu. (2005). Semipermeable membrane support and process of preparation thereof (U.S. Patent No. 6919026). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6919026
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile