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:
Sep. 11, 2001
Filed:
May. 20, 1999
Applicant:
Inventors:
Javier Agundez Rodriguez, Madrid, ES;
Joaquin Perez Pariente, Madrid, ES;
Antonio Chica Lara, Jaen, ES;
Avelino Corma Canos, Valencia, ES;
Tan Jen Chen, Kingwood, TX (US);
Philip A. Ruziska, Kingwood, TX (US);
Brian Erik Henry, Baton Rouge, LA (US);
Gordon F. Stuntz, Baton Rouge, LA (US);
Stephen M. Davis, Baton Rouge, LA (US);
Assignee:
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/02 ;
U.S. Cl.
CPC ...
C07C 4/02 ;
Abstract
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions, a method for their preparation and their use as catalysts for the catalytic cracking of hydrocarbon feedstocks. More particularly, the new SAPOs have a high silica:alumina ratio, and are prepared from microemulsions containing surfactants.