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. 24, 1987
Filed:
Oct. 24, 1985
Applicant:
Inventor:
Donald F Best, Mahopac, NY (US);
Assignee:
Union Caride Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; C10G / ;
U.S. Cl.
CPC ...
502 26 ; 208111 ; 502 38 ;
Abstract
A spent catalyst comprising a zeolite base and an active metal such as a Group VIII noble metal is rejuvenated by contacting the catalyst with an aqueous solution containing urea.