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:
Dec. 14, 1982
Filed:
Feb. 03, 1981
Applicant:
Inventors:
Assignee:
Nippon Soken, Inc., Nishio, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C04B / ;
U.S. Cl.
CPC ...
55523 ; 55524 ; 55529 ; 55DI / ; 55DI / ; 210510 ; 422180 ; 60311 ;
Abstract
A filter for purifying exhaust gas of an automobile or the like comprises a rigid ceramic supporting member provided with at least one flow passage and porous ceramic filtering material which is charged within the passage and sintered to the walls so as to be integrally connected to the supporting member. This filter shows excellent exhaust gas purifying efficiency as well as high mechanical strength.