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:
Sep. 06, 2022
Filed:
Jun. 09, 2017
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventors:
Shota Aiki, Tokyo, JP;
Akiyoshi Fukuzawa, Tokyo, JP;
Assignee:
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 35/00 (2006.01); B01J 37/00 (2006.01); B01J 37/04 (2006.01); B01J 37/08 (2006.01); C07C 253/26 (2006.01); C07C 255/08 (2006.01); B01J 23/887 (2006.01); B01J 23/883 (2006.01); B01J 23/881 (2006.01); C07B 61/00 (2006.01);
U.S. Cl.
CPC ...
B01J 37/0045 (2013.01); B01J 23/881 (2013.01); B01J 23/883 (2013.01); B01J 23/8872 (2013.01); B01J 23/8876 (2013.01); B01J 37/00 (2013.01); B01J 37/0018 (2013.01); B01J 37/04 (2013.01); B01J 37/08 (2013.01); B01J 37/088 (2013.01); C07C 253/26 (2013.01); C07C 255/08 (2013.01); B01J 2523/00 (2013.01); B01J 2523/54 (2013.01); B01J 2523/68 (2013.01); B01J 2523/842 (2013.01); C07B 61/00 (2013.01); Y02P 20/52 (2015.11);
Abstract
A method for producing an ammoxidation catalyst, the method including: a step (i) of preparing a starting material slurry comprising molybdenum, bismuth, iron, and a carboxylic acid compound; a step (ii) of stirring the starting material slurry in a temperature range of 30 to 50° C. for 20 minutes to 8 hours, thereby preparing a precursor slurry; a step of spray-drying the precursor slurry, thereby obtaining a dried particle; and a step of calcining the dried particle.