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:
Apr. 21, 2026
Filed:
Jan. 28, 2022
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 65/10 (2006.01); B01D 69/12 (2006.01); B01D 71/56 (2006.01); G01N 21/64 (2006.01); G01N 21/95 (2006.01);
U.S. Cl.
CPC ...
B01D 65/10 (2013.01); B01D 69/12 (2013.01); B01D 71/56 (2013.01); G01N 21/64 (2013.01); G01N 21/95 (2013.01);
Abstract
The present invention provides a method for analyzing a halogenated structure in a composite semipermeable membrane. The method for analyzing a composite semipermeable membrane according to the present invention includes: a step A for immersing the composite semipermeable membrane in a solution containing alkali and at least one of nicotinamide and a derivative thereof; and a step B for performing fluorescence analysis on the solution obtained in step A.
Nakatsuji, Koji. (2026). Method for analyzing composite semipermeable membrane (U.S. Patent No. 12605677). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12605677
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile