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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 8969240 B1

PDFFull Text
Expired
Date of Patent:
Mar. 03, 2015

Filed:

Nov. 09, 2009

Reduced copper sulphide sorbent for removing heavy metals

Applicants:

Lucy Jane Hetherington, Faceby, GB;

Matthew John Cousins, Darlington, GB;

Inventors:

Lucy Jane Hetherington, Faceby, GB;

Matthew John Cousins, Darlington, GB;

Assignee:

Johnson Matthey PLC, London, GB;

Attorney:

RatnerPrestia

Primary Examiner:

Anthony J Zimmer

Int. Cl.
CPC ...
B01J 20/00 (2006.01); B01D 53/64 (2006.01); B01D 15/00 (2006.01); B01D 53/02 (2006.01); B01J 20/02 (2006.01); B01J 20/30 (2006.01); B01J 20/32 (2006.01); C01G 3/12 (2006.01); C10G 25/00 (2006.01); C10K 1/32 (2006.01); C10K 1/00 (2006.01);
U.S. Cl.
CPC ...
B01D 53/64 (2013.01); B01D 15/00 (2013.01); B01D 53/02 (2013.01); B01J 20/02 (2013.01); B01J 20/0285 (2013.01); B01J 20/3007 (2013.01); B01J 20/3042 (2013.01); B01J 20/3236 (2013.01); C01G 3/12 (2013.01); C10G 25/003 (2013.01); C10K 1/32 (2013.01); C10K 1/007 (2013.01); B01D 2253/112 (2013.01); B01D 2253/304 (2013.01); B01D 2257/602 (2013.01); B01D 2259/40 (2013.01); C01P 2006/80 (2013.01); C10G 2300/202 (2013.01); C10G 2300/205 (2013.01);
Abstract

A sorbent, suitable for removing heavy metals, particularly mercury, from fluid streams containing a reductant such as hydrogen and/or carbon monoxide, is in the form of a shaped unit containing ≦0.1% by weight in total of heavy metal selected from mercury, arsenic, lead, cadmium and antimony, and 4-75% by weight of copper in the form of one or more reduced copper sulphides which have a sulphur to copper atomic ratio of ≦0.6:1.

Find Patent Forward Citations

Hetherington, Lucy. (2015). Reduced copper sulphide sorbent for removing heavy metals (U.S. Patent No. 8969240). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8969240

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

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