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:
Aug. 22, 1995
Filed:
Nov. 19, 1993
Applicant:
Inventors:
Shigeo T Oyama, Blacksburg, VA (US);
Chunzhe C Yu, Blacksburg, VA (US);
Fawzy G Sherif, Stony Point, NY (US);
Assignees:
Akzo Nobel N.V., Arnhem, NL;
Clarkson University, Potsdam, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C07C / ;
U.S. Cl.
CPC ...
585671 ; 502200 ; 208112 ; 585670 ; 585750 ; 423351 ; 423385 ;
Abstract
Bimetallic oxynitrides and nitrides which have catalytic properties comprise two transition metals selected from Groups IIIB to VIII of the Periodic Table of the Elements. Preferably, one metal is either molybdenum or tungsten. The other can be tungsten or molybdenum, respectively, or another transition metal, such as vanadium, niobium, chromium, manganese, cobalt, or nickel. They have a face centered cubic (fcc) arrangement of the metal atoms and have a surface area of no less than about 40 m.sup.2 /gm.