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. 11, 2004
Filed:
Apr. 10, 2002
Applicant:
Inventors:
Keng-Yu Shih, Columbia, MD (US);
Dean Alexander Denton, Baltimore, MD (US);
Rimantas Glemza, Baltimore, MD (US);
Assignee:
W. R. Grace & Co.-Conn., Columbia, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/116 ;
U.S. Cl.
CPC ...
B01J 2/116 ;
Abstract
A chromium containing catalyst wherein the chromium atom is in one of its higher valence states and is immobilized to a support-agglomerate composed of at least one inorganic oxide component and at least one ion-containing layered component.