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:
Mar. 20, 2018
Filed:
Jul. 10, 2013
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
Andrew Fish, Cleveland, GB;
Matthew David Gwydion Lunn, County Durham, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); B01J 20/02 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/32 (2006.01); B01D 15/08 (2006.01); B01J 20/08 (2006.01); C23C 2/04 (2006.01);
U.S. Cl.
CPC ...
B01J 20/0237 (2013.01); B01D 15/08 (2013.01); B01D 53/02 (2013.01); B01J 20/0244 (2013.01); B01J 20/0285 (2013.01); B01J 20/08 (2013.01); B01J 20/2803 (2013.01); B01J 20/28016 (2013.01); B01J 20/3042 (2013.01); B01J 20/3085 (2013.01); B01J 20/3204 (2013.01); B01J 20/3225 (2013.01); B01J 20/3236 (2013.01); C23C 2/04 (2013.01);
Abstract
A sorbent is described, suitable for removing heavy metals, particularly mercury, from fluid streams including 20-75% by weight of copper (expressed as copper (II) oxide) in the form of one or more copper sulphides, the sorbent having a sulphur to copper atomic ratio in the range 0.7 to 0.95:1.