logo

For the Inventor, By the Inventor

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 9221034 B1

PDFFull Text
Date of Patent:
Dec. 29, 2015

Filed:

Oct. 18, 2007

Process for preparing catalysts

Applicants:

Graeme Douglas Campbell, Clitheroe, GB;

Gordon James Kelly, Darlington, GB;

Fiona Mary Campbell, Norton, GB;

Brian Peter Williams, Stockton on Tees, GB;

Inventors:

Graeme Douglas Campbell, Clitheroe, GB;

Gordon James Kelly, Darlington, GB;

Fiona Mary Campbell, Norton, GB;

Brian Peter Williams, Stockton on Tees, GB;

Assignee:

Johnson Matthey PLC, London, GB;

Attorney:

RatnerPrestia

Primary Examiner:

Jun Li

Int. Cl.
CPC ...
B01J 27/232 (2006.01); B01J 23/80 (2006.01); B01F 3/12 (2006.01); B01F 11/00 (2006.01); B01J 8/40 (2006.01); B01J 19/00 (2006.01); B01J 19/24 (2006.01); B01J 23/00 (2006.01); B01J 37/03 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); B01J 37/00 (2006.01); B01J 37/14 (2006.01); B01J 37/16 (2006.01);
U.S. Cl.
CPC ...
B01J 23/80 (2013.01); B01F 3/12 (2013.01); B01F 11/0071 (2013.01); B01J 8/40 (2013.01); B01J 19/006 (2013.01); B01J 19/243 (2013.01); B01J 23/002 (2013.01); B01J 37/031 (2013.01); B01J 35/0053 (2013.01); B01J 35/023 (2013.01); B01J 37/0009 (2013.01); B01J 37/14 (2013.01); B01J 37/16 (2013.01); B01J 2219/00777 (2013.01); B01J 2523/00 (2013.01);
Abstract

A process for manufacturing a catalyst composition comprises the steps of (i) precipitating one or more metal compounds from solution using an alkaline precipitant, preferably comprising an alkaline carbonate, optionally in the presence of a thermostabilizing material, ii) ageing the precipitated composition, and (iii) recovering and drying the aged composition, wherein the ageing step is performed using a pulse-flow reactor.

Find Patent Forward Citations

Loading…