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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 9687765 B1

PDFFull Text
Date of Patent:
Jun. 27, 2017

Filed:

Oct. 14, 2013

Process and apparatus for minimizing attrition of catalyst particles

Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Matthew Pretz, Lake Jackson, TX (US);

Mark W. Stewart, Pearland, TX (US);

Don F. Shaw, Denville, NJ (US);

Brien A. Stears, League City, TX (US);

Madhusudhan M. Kodam, Midland, MI (US);

Ben Freireich, Midland, MI (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:

Dinsmore & Shohl LLP

Primary Examiner:

Jason M Greene

Int. Cl.
CPC ...
B01D 45/16 (2006.01); B04C 3/00 (2006.01); B01J 8/00 (2006.01); B01J 8/18 (2006.01); B01J 8/34 (2006.01); B01D 45/08 (2006.01); B01D 45/12 (2006.01);
U.S. Cl.
CPC ...
B01D 45/16 (2013.01); B01D 45/08 (2013.01); B01D 45/12 (2013.01); B01J 8/0055 (2013.01); B01J 8/1809 (2013.01); B01J 8/1827 (2013.01); B01J 8/1872 (2013.01); B01J 8/34 (2013.01); B04C 3/00 (2013.01); B01J 2208/00991 (2013.01);
Abstract

An improved process and an improved apparatus for minimizing attrition of catalyst particles, especially propane dehydrogenation catalyst particles, entrained in a combined flow of such particles and an entraining gas in a catalyst recovery means during separation of such particles from the entraining gas, by use of a pre-treatment step in which the combined flow is at a rate between 7.6 and 15.2 meters per second are provided.

Find Patent Forward Citations

Pretz, Matthew. (2017). Process and apparatus for minimizing attrition of catalyst particles (U.S. Patent No. 9687765). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9687765

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

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