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.

Date of Patent:
Mar. 23, 2010

Filed:

Mar. 27, 2009
Applicants:

Dennis L. Yakobson, Arvada, CO (US);

Elijah C. Philipp, Westminster, CO (US);

Mark S. Bohn, Golden, CO (US);

Inventors:

Dennis L. Yakobson, Arvada, CO (US);

Elijah C. Philipp, Westminster, CO (US);

Mark S. Bohn, Golden, CO (US);

Assignee:

Rentech, Inc., Los Angeles, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 23/745 (2006.01); C07C 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for transforming at least a part of the catalyst precursor hematite into x-carbide (FeC) and ε'-carbide (FeC) without a large amount of fines generation. This method slows the transformation of the hematite to iron carbides by reducing the partial pressure of the synthesis gas by inert gas dilution. The activation time is about three to about five hours.


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Yakobson, Dennis. (2010). Method for activating an iron-based fischer-tropsch catalyst (U.S. Patent No. 7683006). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7683006

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