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.:
Date of Patent:
Nov. 25, 2003
Filed:
Oct. 18, 2000
Applicant:
Inventors:
Yasuo Fukutani, Shiga 521-1235, JP;
Yoshiyuki Futahashi, Yokaichi, JP;
Yukio Wada, Hikone, JP;
Eiichiro Nakayama, Hikone, JP;
Kikuko Fukutani, Shiga, JP;
Masami Kojima, Yokaichi, JP;
Kosuke Wada, Hikone, JP;
Masayoshi Uchida, Kochi, JP;
Shunji Suzuki, Yokkaichi, JP;
Naoya Fujii, Suzuka, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 4/700 ; C01B 2/104 ; C01B 1/702 ; C09K 3/00 ;
U.S. Cl.
CPC ...
B01D 4/700 ; C01B 2/104 ; C01B 1/702 ; C09K 3/00 ;
Abstract
The present invention provides a purifying agent having an effect of removing or decomposing toxic substances contained in flue gas or incinerated ash. The purifying agent of the present invention contains one or more kinds of salts selected from alkali metal silicates, fluoride ion, hydrogencarbonate ion, and water-soluble alcohols or derivatives thereof.