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:
Jun. 30, 2009
Filed:
Sep. 11, 2007
Christopher C. Boyer, Houston, TX (US);
Mitchell E. Loescher, Houston, TX (US);
Willibrord A. Groten, Houston, TX (US);
Mario J. Maraschino, Houston, TX (US);
Kerry L. Rock, Houston, TX (US);
Christopher C. Boyer, Houston, TX (US);
Mitchell E. Loescher, Houston, TX (US);
Willibrord A. Groten, Houston, TX (US);
Mario J. Maraschino, Houston, TX (US);
Kerry L. Rock, Houston, TX (US);
Catalytic Distillation Technologies, Pasadena, TX (US);
Abstract
A process for the production of tertiary ethers, including: feeding a hydrocarbon stream comprising isoolefins and propionitrile to a distillation column reactor system containing at least one etherification reaction zone; feeding a Cto Cmonoalcohol or mixture thereof to the distillation column reactor; concurrently in the distillation column reactor system: reacting a portion of the isoolefins with a portion of the alcohols to form a tertiary ether; and separating the tertiary ether from unreacted isoolefins; withdrawing the tertiary ether and propionitrile from the distillation column reactor system as a bottoms; withdrawing the unreacted isoolefins from the distillation column reactor system as an overheads; and operating the distillation column reactor system such that the etherification reaction zone is substantially free of propionitrile.