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:
Nov. 14, 2023
Filed:
Dec. 23, 2020
Applicant:
Industry-academic Cooperation Foundation, Yonsei University, Seoul, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 69/12 (2006.01); B01D 69/02 (2006.01); B01D 71/40 (2006.01); B01D 71/02 (2006.01);
U.S. Cl.
CPC ...
B01D 69/125 (2013.01); B01D 69/02 (2013.01); B01D 71/022 (2013.01); B01D 71/024 (2013.01); B01D 71/40 (2013.01);
Abstract
Provided is a method of producing a composite membrane in the form of laminated membranes in which a plurality of isoporous membranes are laminated, wherein the plurality of membranes laminated have through-holes having different sizes from each other and each membrane have the through-holes having the same size.