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. 17, 2015
Filed:
Dec. 13, 2011
Applicants:
Takaaki Kato, Tokyo, JP;
Satoshi Endo, Tokyo, JP;
Minoru Kadowaki, Tokyo, JP;
Inventors:
Assignee:
Asahi Kasei Chemicals Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 19/00 (2006.01); C07C 253/24 (2006.01); C07C 253/26 (2006.01); B01J 37/12 (2006.01); B01J 23/00 (2006.01); B01J 35/02 (2006.01); B01J 37/00 (2006.01); B01J 23/16 (2006.01); B01J 23/20 (2006.01); B01J 23/22 (2006.01); B01J 23/24 (2006.01); B01J 23/28 (2006.01); B01J 23/54 (2006.01); B01J 23/56 (2006.01); B01J 23/64 (2006.01); B01J 23/648 (2006.01); B01J 23/652 (2006.01); B01J 20/00 (2006.01); B01J 20/02 (2006.01); B01J 35/00 (2006.01);
U.S. Cl.
CPC ...
B01J 23/28 (2013.01); C07C 253/24 (2013.01); C07C 253/26 (2013.01); B01J 37/12 (2013.01); B01J 23/002 (2013.01); B01J 35/023 (2013.01); B01J 37/0018 (2013.01); B01J 37/0045 (2013.01); B01J 35/002 (2013.01); B01J 2523/00 (2013.01);
Abstract
An apparatus for producing a catalyst comprising a tank configured to prepare an aqueous mixed solution containing a Mo compound, a V compound and a Nb compound, a dryer configured to spray-dry the aqueous mixed solution, and a pipe for connecting the tank with the dryer so that the aqueous mixed solution can be supplied from the tank to the dryer, wherein a heater configured to heat the aqueous mixed solution is provided in the tank and/or the pipe, and a filter configured to filtrate the aqueous mixed solution is provided in the pipe.