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:
Feb. 05, 2008

Filed:

Nov. 28, 2003
Applicants:

Yasuo Nakazawa, Shibukawa, JP;

Moriyuki Fukushima, Shibukawa, JP;

Kensuke Suda, Shibukawa, JP;

Akira Sekiya, Tsukuba, JP;

Inventors:

Yasuo Nakazawa, Shibukawa, JP;

Moriyuki Fukushima, Shibukawa, JP;

Kensuke Suda, Shibukawa, JP;

Akira Sekiya, Tsukuba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/68 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for removing harmful substances in a vent gas containing a halogen or halogen compound gas remaining in the pipeline of a cylinder cabinet, which comprises contacting the vent gas with a treating agent comprising an alkaline earth metal compound, an alkali metal compound, zeolite, and a carbonaceous material.


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