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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 12345657 B1

PDFFull Text
Date of Patent:
Jul. 01, 2025

Filed:

Mar. 25, 2022

Method for inspecting damage in reverse osmosis membrane

Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Kenji Saito, Ehime, JP;

Koji Nakatsuji, Ehime, JP;

Hiroo Takabatake, Otsu, JP;

Shinya Shimoda, Ehime, JP;

Assignee:

Toray Industries, Inc., Tokyo, JP;

Attorney:

Buchanan Ingersoll & Rooney PC

Primary Examiner:

Tony Ko

Int. Cl.
CPC ...
G01N 21/95 (2006.01); B01D 61/02 (2006.01); B01D 61/10 (2006.01); B01D 63/10 (2006.01); B01D 65/10 (2006.01); G01N 1/34 (2006.01);
U.S. Cl.
CPC ...
G01N 21/95 (2013.01); B01D 61/025 (2013.01); B01D 61/10 (2013.01); B01D 63/10 (2013.01); B01D 65/109 (2022.08); G01N 1/34 (2013.01);
Abstract

The present invention relates to a damage inspection method for a reverse osmosis membrane, in which at least one of: presence or absence of physical damage; and a degree of physical damage in a reverse osmosis membrane is inspected based on presence or absence of a stained area on at least a permeate side of a stained membrane obtained by supplying a water-to-be-treated including a staining agent to the reverse osmosis membrane to stain the reverse osmosis membrane.

Find Patent Forward Citations

Saito, Kenji. (2025). Method for inspecting damage in reverse osmosis membrane (U.S. Patent No. 12345657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12345657

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

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