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:
Dec. 22, 1992
Filed:
Mar. 21, 1990
Applicant:
Inventors:
Robert P Absil, West Deptford, NJ (US);
Scott Han, Lawrenceville, NJ (US);
David S Shihabi, Pennington, NJ (US);
David O Marler, Deptford, NJ (US);
Clarence D Chang, Princeton, NJ (US);
Donna M Mitko, Monmouth Junction, NJ (US);
Assignee:
Mobil Oil Corporation, Fairfax, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 62 ; 502 71 ; 502 77 ;
Abstract
A catalyst comprising a molecular sieve having a lattice aluminum content in which the silica/alumina framework mole ratio is less than 55, and having a diffusion rate constant of less than about 150 sec.sup.-1 .times.10.sup.-6 is particularly useful for vapor-phase disproportionation of toluene.