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:
Feb. 11, 1992
Filed:
Aug. 17, 1989
Applicant:
Inventors:
Kenzi Suzuki, Aichi, JP;
Toshiaki Mori, Yokkaichi, JP;
Assignees:
Agency of Industrial Science, Tokyo, JP;
Ministry of International Trade & Industry, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502 63 ; 502 84 ;
Abstract
A pillared clay possessing a desired amount of pillers is produced by heating clay thereby changing the cation-exchange capacity owned by the clay and then adding a cation oligomer as a pillar precursor to the clay thereby causing the oligomer to exchange ion with the cation of the clay.