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:
Nov. 25, 2014

Filed:

Feb. 05, 2010
Applicants:

Mark A. Krawczyk, Chicago, IL (US);

Kristoffer E. Popp, Chicago, IL (US);

Christopher P. Nicholas, Evanston, IL (US);

Jennifer F. Abrahamian, Chicago, IL (US);

Inventors:

Mark A. Krawczyk, Chicago, IL (US);

Kristoffer E. Popp, Chicago, IL (US);

Christopher P. Nicholas, Evanston, IL (US);

Jennifer F. Abrahamian, Chicago, IL (US);

Assignee:

UOP LLC, Des Plaines, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 6/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

Acid washing of silica supports, used for supported tungsten catalysts, improves the activity of the resulting catalyst (i.e., its conversion level at a given temperature) for the metathesis of olefins, without compromising its selectivity to the desired conversion product(s). Exemplary catalysts and processes include those for the production of valuable light olefins such as propylene from a hydrocarbon feedstock comprising ethylene and butylene.


Find Patent Forward Citations

Krawczyk, Mark. (2014). Acid washed silica supported catalysts and their use in olefin metathesis (U.S. Patent No. 8895795). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8895795

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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