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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 10166537 B1

PDFFull Text
Date of Patent:
Jan. 01, 2019

Filed:

Jul. 08, 2015

Particle extrusion

Applicant:

Shell Oil Company, Houston, TX (US);

Inventors:

Rene Georges Ernst Barthel, Amsterdam, NL;

Maria Johanna Wilhelmina Van Wieringen, Amsterdam, NL;

Leonardus Maria Van Der Sman, Amsterdam, NL;

László Domokos, Amsterdam, NL;

Assignee:

SHELL OIL COMPANY, Houston, TX (US);

Attorney:
Primary Examiner:

Jeffrey M Wollschlager

Int. Cl.
CPC ...
B01J 35/02 (2006.01); B29C 47/30 (2006.01); B01J 23/889 (2006.01); B01J 35/10 (2006.01); B01J 37/00 (2006.01); B01J 37/08 (2006.01); C10G 2/00 (2006.01); B29C 47/86 (2006.01); B29C 47/00 (2006.01); B29C 47/08 (2006.01); B29B 9/06 (2006.01); B29C 47/12 (2006.01); B29B 9/10 (2006.01); B29B 9/12 (2006.01); B01J 21/06 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B01J 35/026 (2013.01); B01J 23/8892 (2013.01); B01J 35/1014 (2013.01); B01J 37/0009 (2013.01); B01J 37/0072 (2013.01); B01J 37/08 (2013.01); B29C 47/30 (2013.01); C10G 2/32 (2013.01); C10G 2/50 (2013.01); B01J 21/063 (2013.01); B01J 37/0018 (2013.01); B29B 9/06 (2013.01); B29B 9/10 (2013.01); B29B 9/12 (2013.01); B29C 47/003 (2013.01); B29C 47/0011 (2013.01); B29C 47/0014 (2013.01); B29C 47/0016 (2013.01); B29C 47/0033 (2013.01); B29C 47/0035 (2013.01); B29C 47/085 (2013.01); B29C 47/12 (2013.01); B29C 47/864 (2013.01); B29K 2105/251 (2013.01);
Abstract

A die is provided for extruding elongate particles suitable for use in catalysis. The die comprises a plurality of channels extending from an inlet to an outlet. From the inlet to the outlet each channel comprises a first section with a helical bore with a non-circular cross-section, and a second section with a cylindrical bore. The cylindrical bore of the second section which has a diameter equal or greater than that of the first section. The second section is at least twice as long as a diameter of the first section.

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