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 7291312 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 06, 2007

Filed:

Jul. 17, 2001
Applicants:

Seiji Iimura, Kanagawa, JP;

Kazuyoshi Takeda, Kanagawa, JP;

Kunio Fujiwara, Kanagawa, JP;

Mari Katsumine, Kanagawa, JP;

Inventors:

Seiji Iimura, Kanagawa, JP;

Kazuyoshi Takeda, Kanagawa, JP;

Kunio Fujiwara, Kanagawa, JP;

Mari Katsumine, Kanagawa, JP;

Assignee:

Ebara Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 41/12 (2006.01); D04H 1/00 (2006.01); B01D 50/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An object of the present invention is to solve problems of conventional ozone-scavenging materials and to provide an ozone-scavenging material capable of effectively decomposing/removing ozone at low cost. To attain the above object, the present invention provides an ozone-scavenging material characterized in that a metal having ozone-decomposing ability or an oxide thereof is supported on an organic polymer base having a polymer side chain having an ion exchange group on the backbone of a polymer. Said ozone-scavenging material can be prepared by introducing a polymer side chain having an ion exchange group onto the backbone of an organic polymer base, bringing the resulting organic polymer material into contact with a salt of a metal having ozone-decomposing ability to support the ion of said metal on the ion exchange group, and then precipitating fine particles of said metal or an oxide of said metal on the organic polymer material by oxidation or reduction.


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Iimura, Seiji. (2007). Ozone removing material and method for preparing the same (U.S. Patent No. 7291312). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7291312

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