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:
Feb. 25, 2003
Filed:
Apr. 05, 2001
Applicant:
Inventors:
Shigeru Sakurai, Fukuoka, JP;
Masaharu Emoto, Fukuoka, JP;
Hachiro Hirano, Chiba, JP;
Makoto Yoshida, Tokyo, JP;
Hiroaki Noda, Chiba, JP;
Michihiro Kawano, Fukuoka, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B08B 3/04 ;
U.S. Cl.
CPC ...
B08B 3/04 ;
Abstract
A method for removing an acidic deposit containing a sulfur compound, which comprises contacting the acidic deposit with an aqueous solution of an alkali metal carbonate and/or an alkali metal hydrogencarbonate to remove it.