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:
Oct. 09, 1979
Filed:
Dec. 27, 1977
Applicant:
Inventor:
James S Ritscher, Ossining, NY (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; C10H / ;
U.S. Cl.
CPC ...
2524 / ; 423245 ; 423328 ;
Abstract
A unique class of copper zeolite combustion catalysts which are both highly siliceous and contain an extraordinary amount of zeolitic divalent copper cations which are prepared by ion exchanging the predominantly alkali metal cation form of ZSM-5 type zeolites with divalent copper cations and subjecting the resulting compositions to rigorous oxidation.