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:
Aug. 08, 2006
Filed:
Jan. 22, 2002
Applicant:
Michael John Watson, Cleveland, GB;
Inventor:
Michael John Watson, Cleveland, GB;
Assignee:
Johnson Matthey PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 21/18 (2006.01); B01J 35/02 (2006.01); C01B 21/38 (2006.01); B22F 1/00 (2006.01); B32B 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A combination comprising a bed of a particulate copper-containing catalyst bed, a guard bed in the form of shaped units formed from lead carbonate and/or basic lead carbonate particles having an average (by volume) particle size below 100 μm.