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 7378037 B1

PDF
Full Text
Expired
Date of Patent:
May. 27, 2008

Filed:

Jun. 06, 2006
Applicants:

Katsuhisa Honda, Matsuyama, JP;

Tomofumi Takahashi, Matsuyama, JP;

Inventors:

Katsuhisa Honda, Matsuyama, JP;

Tomofumi Takahashi, Matsuyama, JP;

Assignee:

Miura Co., Ltd., Matsuyama-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/00 (2006.01); A62D 3/00 (2007.01); C07F 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

To treat an organotin compound in a liquid at low cost. Addition of iron oxide into a liquid containing an organotin compound allows trapping of the organotin compound in the liquid by the iron oxide, and reduction of the organotin compound concentration in the liquid. Various iron oxides such as FeO, FeO(iron sesquioxide), and FeO(iron oxide black) may be used, but iron oxide black is preferred. Such the method of treating a liquid may be applied to polluted seawater at a harbor to allow reduction of the organotin compound concentration in the seawater and purification of the harbor.


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Honda, Katsuhisa. (2008). Organotin compound treatment (U.S. Patent No. 7378037). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7378037

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