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. 22, 1998
Filed:
Jun. 03, 1996
Applicant:
Inventors:
John Frederick Knifton, Austin, TX (US);
John Ronald Sanderson, Leander, TX (US);
Melvin Ernest Stockton, Georgetown, TX (US);
Assignee:
Huntsman Specialty Chemicals Corporation, Austin, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
585639 ; 585649 ;
Abstract
A tertiary butyl alcohol feedstock is dehydrated to form isobutylene and water in a reactive distillation column having a reactive distillation section in the middle portion thereof containing a bed of a TBA dehydration catalyst and a substantially anhydrous lower boiling isobutylene fraction is recovered adjacent the top of the reactive distillation column and a higher boiling aqueous fraction is recovered adjacent the bottom of the reactive distillation column.