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.

Date of Patent:
Dec. 20, 2022

Filed:

Aug. 27, 2018
Applicant:

Kuraray Co., Ltd., Kurashiki, JP;

Inventor:

Yasuhiro Tajima, Okayama, JP;

Assignee:

Kuraray Co., Ltd., Kurashiki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/50 (2006.01); B63J 4/00 (2006.01); C02F 1/72 (2006.01); C02F 103/00 (2006.01);
U.S. Cl.
CPC ...
C02F 1/50 (2013.01); B63J 4/002 (2013.01); C02F 1/72 (2013.01); C02F 2103/008 (2013.01); C02F 2301/046 (2013.01); C02F 2303/04 (2013.01);
Abstract

A ballast water treatment method includes: a step of supplying a sterilizing component to a ballast pipe while taking ballast water into a ballast tank through the ballast pipe; a first measurement step of measuring the concentration of the sterilizing component in the ballast water after the sterilizing component is supplied; a circulation step of returning the ballast water stored in the ballast tank to the ballast pipe through a circulation pipe; a second measurement step of measuring the concentration of the sterilizing component contained in the ballast water returned to the ballast pipe; and a step of supplying the sterilizing component to the ballast pipewhen the concentration of the sterilizing component measured in the second measurement step is less than 0.2 times the concentration of the sterilizing component measured in the first measurement step. In the first supply step, the sterilizing component is supplied to the ballast pipesuch that the concentration of the sterilizing component measured in the first measurement step becomes 6 mg/L or more.


Find Patent Forward Citations

Tajima, Yasuhiro. (2022). Ballast water treatment method (U.S. Patent No. 11530144). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11530144

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

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