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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 9731280 B1

PDFFull Text
Date of Patent:
Aug. 15, 2017

Filed:

Nov. 21, 2013

Ferrite catalyst and preparation method thereof

Applicant:

Shanghai Huayi Acrylic Acid Co. Ltd., Shanghai, CN;

Inventors:

Desheng Xiong, Shanghai, CN;

Tonghao Wu, Shanghai, CN;

Ge Luo, Shanghai, CN;

Yan Zhuang, Shanghai, CN;

Jiangxue Ma, Shanghai, CN;

Xiaodong Chu, Shanghai, CN;

Jinghua Ji, Shanghai, CN;

Assignee:

Shanghai HuaYi Acrylic Acid Co. Ltd., Shanghai, CN;

Attorney:

Hamre, Schumann, Mueller & Larson, P.C.

Primary Examiner:

Melvin C Mayes

Assistant Examiner:

James Corno

Int. Cl.
CPC ...
B01J 23/76 (2006.01); B01J 27/187 (2006.01); B01J 27/185 (2006.01); B01J 23/847 (2006.01); B01J 23/889 (2006.01); B01J 23/00 (2006.01); B01J 23/78 (2006.01); B01J 23/80 (2006.01); B01J 23/881 (2006.01); B01J 23/888 (2006.01); B01J 27/188 (2006.01); B01J 27/198 (2006.01); C07C 5/48 (2006.01); B01J 37/03 (2006.01); B01J 37/08 (2006.01); B01J 37/00 (2006.01);
U.S. Cl.
CPC ...
B01J 27/187 (2013.01); B01J 23/005 (2013.01); B01J 23/007 (2013.01); B01J 23/78 (2013.01); B01J 23/80 (2013.01); B01J 23/8472 (2013.01); B01J 23/881 (2013.01); B01J 23/888 (2013.01); B01J 23/8892 (2013.01); B01J 27/188 (2013.01); B01J 27/1853 (2013.01); B01J 27/198 (2013.01); C07C 5/48 (2013.01); B01J 37/0018 (2013.01); B01J 37/0036 (2013.01); B01J 37/03 (2013.01); B01J 37/08 (2013.01); B01J 2523/00 (2013.01); C07C 2521/02 (2013.01); C07C 2523/02 (2013.01); C07C 2523/22 (2013.01); C07C 2523/28 (2013.01); C07C 2523/34 (2013.01); C07C 2523/745 (2013.01); C07C 2523/75 (2013.01); C07C 2523/755 (2013.01); C07C 2523/78 (2013.01); C07C 2523/80 (2013.01); C07C 2527/167 (2013.01); C07C 2527/236 (2013.01);
Abstract

Disclosed are a ferrite catalyst and preparation methods thereof. The catalyst is provided with a formula below, wherein A is Mg atom, Zn atom or a mixture of both atoms at any ratio; D is one or more atoms selected from the group consisting of Ni, Co, W, Mn, Ca, Mo or V atom; Z is a catalyst carrier, which is one or more selected from the group consisting of calcium phosphate, calcium dihydrogen phosphate, aluminum phosphate, aluminum dihydrogen phosphate, ferric phosphate, magnesium phosphate, zinc phosphate, Mg—Al hydrotalcite, calcium carbonate, magnesium carbonate; a=0.01-0.6; b=0-0.30; c is a number balancing each valence; x, y represent the amounts of principal catalyst and carrier Z respectively, wherein the weight ratio y/x=0.5:1-7:1.(FeADO)/Z

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