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.:
Date of Patent:
Oct. 20, 2020
Filed:
Oct. 14, 2016
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Anne-Marie Christina Alexander, Cleveland, GB;
Matthew John Cousins, Cleveland, GB;
Michele Marigo, Cleveland, GB;
Nicola Campbell McKidd, Cleveland, GB;
William Maurice Sengelow, Cleveland, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/16 (2006.01); B01J 23/78 (2006.01); B01J 35/10 (2006.01); C01G 45/02 (2006.01); C01G 37/02 (2006.01); C01F 7/02 (2006.01); C01F 5/02 (2006.01); C01G 49/06 (2006.01); C01G 3/02 (2006.01); C01G 49/02 (2006.01); B01J 23/86 (2006.01); B01J 23/745 (2006.01); B01J 37/00 (2006.01); B01J 37/03 (2006.01); C01B 32/50 (2017.01); C01G 49/08 (2006.01);
U.S. Cl.
CPC ...
C01B 3/16 (2013.01); B01J 23/745 (2013.01); B01J 23/78 (2013.01); B01J 23/868 (2013.01); B01J 35/1066 (2013.01); B01J 37/0009 (2013.01); B01J 37/031 (2013.01); C01F 5/02 (2013.01); C01F 7/02 (2013.01); C01G 3/02 (2013.01); C01G 37/02 (2013.01); C01G 45/02 (2013.01); C01G 49/02 (2013.01); C01G 49/06 (2013.01); C01B 32/50 (2017.08); C01G 49/08 (2013.01); C01P 2006/14 (2013.01); C01P 2006/16 (2013.01); Y02P 20/52 (2015.11);
Abstract
A catalyst precursor, suitable for use after reduction as a water-gas shift catalyst, is described, which is in the form of a pellet comprising one or more oxides of iron, wherein the catalyst precursor has a pore volume 0.30 cm/g and an average pore size in the range 60 to 140 nm The precursor may be prepared by calcination of precipitated iron compounds at temperatures in the range 400-700° C.