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:
Jul. 06, 1999
Filed:
Jun. 20, 1997
Applicant:
Inventors:
Amarjit Bakshi, Houston, TX (US);
Thomas P Hickey, Houston, TX (US);
Assignee:
Catalytic Distillation Technologies, Pasadena, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568698 ;
Abstract
The overheads from an etherification distillation column reactor containing unreacted alcohol and isoolefin are fed to a finishing reactor and then a portion of the effluent from the finishing reactor is returned to the distillation column reactor.