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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 11806702 B1

PDFFull Text
Date of Patent:
Nov. 07, 2023

Filed:

Jul. 12, 2021

Method for producing oxide catalyst and method for producing unsaturated nitrile

Applicant:

Asahi Kasei Kabushiki Kaisha, Tokyo, JP;

Inventors:

Eri Tateno, Tokyo, JP;

Minoru Kadowaki, Tokyo, JP;

Assignee:

ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Sheng H Davis

Int. Cl.
CPC ...
B01J 37/08 (2006.01); B01J 23/30 (2006.01); B01J 37/04 (2006.01); C07C 253/24 (2006.01); C07C 255/08 (2006.01); B01J 23/00 (2006.01); C07C 51/215 (2006.01); B01J 37/00 (2006.01); B01J 37/03 (2006.01); C07B 61/00 (2006.01);
U.S. Cl.
CPC ...
B01J 37/08 (2013.01); B01J 23/002 (2013.01); B01J 23/30 (2013.01); B01J 37/0027 (2013.01); B01J 37/031 (2013.01); B01J 37/04 (2013.01); C07C 51/215 (2013.01); C07C 253/24 (2013.01); C07C 255/08 (2013.01); B01J 2523/00 (2013.01); B01J 2523/3706 (2013.01); B01J 2523/3712 (2013.01); B01J 2523/3787 (2013.01); B01J 2523/44 (2013.01); B01J 2523/55 (2013.01); B01J 2523/56 (2013.01); B01J 2523/68 (2013.01); B01J 2523/69 (2013.01); C07B 61/00 (2013.01); Y02P 20/52 (2015.11);
Abstract

The present invention relates to a method for producing an oxide catalyst containing Mo, V, Sb, and Nb, the method including a raw material preparation step of obtaining an aqueous mixed liquid containing Mo, V, Sb, and Nb, an aging step of subjecting the aqueous mixed liquid to aging at more than 30° C., a drying step of drying the aqueous mixed liquid, thereby obtaining a dried powder, and a calcination step of calcining the dried powder, thereby obtaining the oxide catalyst, and a method for producing an unsaturated nitrile or an unsaturated acid by using the catalyst.

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Tateno, Eri. (2023). Method for producing oxide catalyst and method for producing unsaturated nitrile (U.S. Patent No. 11806702). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11806702

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