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. 25, 1990

Filed:

Feb. 28, 1989
Applicant:
Inventors:

Takanobu Sugo, Gunma, JP;

Jiro Okamoto, Gunma, JP;

Kunio Fijiwara, Kanagawa, JP;

Hideaki Sekiguchi, Chiba, JP;

Toshiaki Fujii, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; C08J / ; C08L / ;
U.S. Cl.
CPC ...
502402 ; 55 73 ; 55 74 ; 423230 ; 423239 ; 521 29 ; 521 32 ; 521 36 ; 502401 ; 502406 ;
Abstract

An absorber is capable of selective adsorption and removal of acidic gases of sulfur oxides, nitrogen oxides, chlorine compounds and sulfur-containing compounds such as hydrogen sulfide, as well as organic acid gases. The absorber is characterized by having a metal phthalocyanine supported on an ion exchanger, wherein the ion exchanger has a quarternary ammonium group as an ion-exchange group and the metal phthalocyanine contains iron phthalocyanine in an amount of 0.05-30 wt % of the ion exchanger.


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