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. 11, 2003
Filed:
Oct. 19, 2000
Applicant:
Inventors:
John R. Sanderson, Austin, TX (US);
Mark A. Mueller, Austin, TX (US);
Assignee:
Huntsman International LLC, Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 1/20 ;
U.S. Cl.
CPC ...
C07C 1/20 ;
Abstract
A process for producing substantially pure isobutylene containing relatively small amounts of higher oligomer byproducts. The process may employ a Y-zeolite catalyst having a silica to alumina ratio of less than or equal to about ten.