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. 30, 1993
Filed:
Aug. 16, 1991
Applicant:
Inventors:
Takashi Mimori, Takasago, JP;
Hiroshi Maeno, Tokyo, JP;
Tasuhiko Endo, Yokohama, JP;
Tomohiro Morishita, Kakogawa, JP;
Assignee:
Asahi Glass Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55523 ; 55302 ; 55524 ; 55DI / ; 55DI / ;
Abstract
A ceramic filter for a dust-containing gas, which comprises a filter base having an average pore size of from 20 to 100 .mu.m, and a filter layer having an average pore size of from 0.2 to 10 .mu.m fixed at least to the filtering side surface of the filter base so that the filter layer fills the pores open on the surface of the filter base.