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:
Jan. 30, 2001
Filed:
Feb. 21, 1997
Noel M. Seimandi, Brussels, BE;
Tony T. Cheng, Seabrook, TX (US);
Willibald Serrand, Buxheim, DE;
Mitchell Jacobson, West Orange, NJ (US);
Paul K. Ladwig, Randolph, NJ (US);
John F. Pagel, Morris Plains, NJ (US);
Michael R. Parrish, Morristown, NJ (US);
Hans A. Weisenberger, Tervuren, BE;
Exxon Chemical Patents Inc., Houston, TX (US);
Abstract
A process for obtaining a substantial amount of olefinic products from a residual feedstock by use of a vapor short contact time conversion process unit comprised of a bed of fluidized heat transfer solids. The vapor short contact time process unit is operated at conditions which includes steam dilution to reduce partial pressure of hydrocarbon vapors and a vapor residence time less than about 0.5 seconds.