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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.:

US 9670119 B1

PDFFull Text
Expired
Date of Patent:
Jun. 06, 2017

Filed:

Jan. 11, 2012

Process for producing ethanol using multiple beds each having different catalysts

Applicants:

Heiko Weiner, Pasadena, TX (US);

Zhenhua Zhou, Houston, TX (US);

Radmila Jevtic, Pasadena, TX (US);

Victor J. Johnston, Houston, TX (US);

Inventors:

Heiko Weiner, Pasadena, TX (US);

Zhenhua Zhou, Houston, TX (US);

Radmila Jevtic, Pasadena, TX (US);

Victor J. Johnston, Houston, TX (US);

Assignee:

CELANESE INTERNATIONAL CORPORATION, Irving, TX (US);

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Yong Chu

Assistant Examiner:

Sonya Wright

Int. Cl.
CPC ...
C07C 27/04 (2006.01); C07C 29/149 (2006.01); C07C 29/141 (2006.01); C07C 29/88 (2006.01); C07C 29/90 (2006.01); C07C 67/08 (2006.01);
U.S. Cl.
CPC ...
C07C 29/149 (2013.01); C07C 29/141 (2013.01); C07C 29/88 (2013.01); C07C 29/90 (2013.01); C07C 67/08 (2013.01);
Abstract

The present invention produces ethanol in a stacked bed reactor that comprises a first catalyst and a second catalyst, wherein the first and second catalysts comprise at least one group VIII metal, and wherein the second catalyst is substantially free of copper. The crude ethanol product may be separated and ethanol recovered.

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Weiner, Heiko. (2017). Process for producing ethanol using multiple beds each having different catalysts (U.S. Patent No. 9670119). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9670119

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