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:
May. 10, 2005
Filed:
Jun. 13, 2001
Applicants:
Yasushi Nemoto, Kanagawa, JP;
Hisashi Mori, Kanagawa, JP;
Tadashi Kuwahara, Kanagawa, JP;
Inventors:
Assignee:
Bridgestone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D053/04 ;
U.S. Cl.
CPC ...
Abstract
An adsorbent includes core particles containing an adsorbing material; a porous coating layer including a polymer material that coats the core particles; and an underlying layer containing a metal compound and disposed between the core particles and the porous coating layer. The porous coating layer is formed by spraying and applying a suspension or a solution containing the polymer material over the adsorbing material, or by immersing the adsorbing material into the suspension or the solution.