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:
Mar. 28, 1995
Filed:
Dec. 17, 1993
Applicant:
Inventors:
Nelson Martinez, San Antoino, VE;
Juan Lujano, Caracas, VE;
Nieves Alvarez, Caracas, VE;
Jacek Lubinkowski, Caracas, VE;
William McEwen, Amherst, MA (US);
Assignees:
Inteven, S.A., Caracas, VE;
Universidad Simon Bolivar, Caracas, VE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ; C10G / ; B01J / ;
U.S. Cl.
CPC ...
208 / ; 208121 ; 502 64 ; 502521 ; 556 30 ; 556 76 ; 556 88 ;
Abstract
An antimony and tin containing compound for passivating contaminant metals to which a catalyst is exposed during fluid catalytic cracking of hydrocarbons containing said contaminant metals, said compound having a composition as follows (R*).sub.x Sb(OSn(R**).sub.3).sub.n wherein R* and R** are aryl compounds having between 6 to 13 carbon atoms, wherein n=1, 2 or 3 and x=4 when n=1, x=3 when n=2, and x=0 when n=3.