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. 20, 2015
Filed:
Dec. 21, 2011
Yasuhiko Sawada, Settsu, JP;
Shunji Kasai, Settsu, JP;
Taku Yamanaka, Settsu, JP;
Yoshiyuki Shibuya, Yuki, JP;
Kunihiko Inui, Settsu, JP;
Shinichi Chaen, Settsu, JP;
Yasuhiko Sawada, Settsu, JP;
Shunji Kasai, Settsu, JP;
Taku Yamanaka, Settsu, JP;
Yoshiyuki Shibuya, Yuki, JP;
Kunihiko Inui, Settsu, JP;
Shinichi Chaen, Settsu, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
Provided is a material that can be easily biaxially oriented, homogeneously stretched even with a high draw ratio, and formed into a PTFE porous membrane with low pressure loss. The present invention relates to a polytetrafluoroethylene mixture comprising: a fibrillable modified polytetrafluoroethylene; and a fibrillable polytetrafluoroethylene homopolymer, the polytetrafluoroethylene homopolymer having strength at break of 25 N or higher.