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:
Aug. 04, 1998
Filed:
Feb. 20, 1997
Applicant:
Inventors:
Rei-Yu Judy Hwan, Sugarland, TX (US);
Kyle Lee Preston, Port Arthur, TX (US);
Assignee:
Huntsman Specialty Chemicals Corp., Austin, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568697 ; 568698 ; 568910 ;
Abstract
Methyl tertiary butyl ether is prepared from contaminated tertiary butyl alcohol and methanol by decomposing peroxides in a peroxides decomposition reactor, by dehydrating the tertiary butyl alcohol to form isobutylene and also decomposing acidic contaminants in a tertiary butyl alcohol dehydration reactor to form a feedstock that is distilled to provide a first lower boiling fraction comprising isobutylene and water; from which isobutylene is recovered for reaction with methanol in an etherification reactor containing a bed of an etherification catalyst to form methyl tertiary butyl ether.