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:
Jun. 13, 1989
Filed:
Feb. 03, 1988
Applicant:
Inventors:
Assignees:
Agency of Industrial Science and Technology, Tokyo, JP;
Ministry of International Trade and Industry, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502 62 ; 502 63 ; 502 84 ;
Abstract
A finely porous article is produced by a method which comprises preparing a colloidal liquid phase containing silica particles by the addition of an ion-exchange resin to an aqueous sodium silicate solution or a liquid phase by the addition of an ion-exchange resin to an aqueous silica colloid solution and the subsequent treatment of the resultant composite for removal of salt or acid therefrom, mixing the former colloidal liquid phase or the latter liquid phase with a smectite type mineral, and drying the resultant mixture.