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. 05, 1984
Filed:
Jun. 15, 1982
Applicant:
Inventors:
P Donald Hopkins, St. Charles, IL (US);
Bernard L Meyers, Wheaton, IL (US);
Donna M Van Duch, Naperville, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 84 ; 502 85 ;
Abstract
Expanded layer, smectite clay having a regular pore structure suitable for catalytic uses and a process for preparing said expanded clay by treating a suspension of commercial smectite clay with a chromium-oligomer solution and subjecting the treated clay to a stabilization heat treatment in an inert gas atmosphere.