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:
Mar. 05, 2002
Filed:
Nov. 24, 1999
Applicant:
Inventors:
Hachiro Hirano, Ichihara, JP;
Makoto Yoshida, Kitakyusyu, JP;
Hiroaki Noda, Ichihara, JP;
Shigeru Sakurai, Kitakyusyu, JP;
Makoto Kusaka, Ichihara, JP;
Masaharu Tanaka, Ichihara, JP;
Assignee:
Asahi Glass Company Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/00 ; C01D 7/00 ; C01D 7/12 ; C01D 7/38 ;
U.S. Cl.
CPC ...
C09K 3/00 ; C01D 7/00 ; C01D 7/12 ; C01D 7/38 ;
Abstract
An acid component-removing agent which comprises sodium hydrogencarbonate having a volume-based mean particle diameter of from 1 to 9 &mgr;m as measured by a laser diffraction and scattering method.