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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.:

US 11001691 B1

PDFFull Text
Date of Patent:
May. 11, 2021

Filed:

Jul. 25, 2017

Porous polyether sulfone film and production method therefor

Applicant:

Ube Industries, Ltd., Yamaguchi, JP;

Inventors:

Shusei Ohya, Yamaguchi, JP;

Makoto Matsuo, Yamaguchi, JP;

Keita Bamba, Yamaguchi, JP;

Assignee:

UBE INDUSTRIES, LTD., Yamaguchi, JP;

Attorney:

Mintz Levin Cohn Ferris Glovsky and Popeo PC

Primary Examiner:

Brent T O'Hern

Int. Cl.
CPC ...
C08J 9/26 (2006.01); B01D 67/00 (2006.01); B01D 69/02 (2006.01); B01D 71/68 (2006.01); C12N 5/00 (2006.01); F16L 59/02 (2006.01); B01D 39/16 (2006.01);
U.S. Cl.
CPC ...
C08J 9/26 (2013.01); B01D 39/16 (2013.01); B01D 67/0016 (2013.01); B01D 67/0083 (2013.01); B01D 69/02 (2013.01); B01D 71/68 (2013.01); C12N 5/0068 (2013.01); F16L 59/028 (2013.01); F16L 59/029 (2013.01); B01D 2323/22 (2013.01); B01D 2325/02 (2013.01); B01D 2325/04 (2013.01); C08J 2381/06 (2013.01); C12N 2533/30 (2013.01);
Abstract

Provided are: a porous polyether sulfone film having macrovoids and having excellent dimensional stability; and a production method therefor. Provided is a porous polyether sulfone film having a surface layer (a), a surface layer (b), and a macrovoid layer interposed between the surface layer (a) and the surface layer (b). The macrovoid layer has a partition wall joined to the surface layers (a) and (b) and a plurality of macrovoids surrounded by the partition wall and the surface layers (a) and (b). The surface layer (a) and the surface layer (b) have pores connected to the macrovoids.

Find Patent Forward Citations

Ohya, Shusei. (2021). Porous polyether sulfone film and production method therefor (U.S. Patent No. 11001691). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11001691

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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