Catalyst For Producing Methacrylic Acid And Method For Producing The Same, And Method For Producing Methacrylic Acid

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United States of America Patent

APP PUB NO 20160051970A1
SERIAL NO

14779181

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Disclosed is a method for producing a catalyst for producing methacrylic acid by subjecting methacrolein or the like to vapor phase catalytic oxidation, which contains, as essential active components, Mo, V, P, Cs, NH4 and Cu, the method including (a) a step of preparing a heteropoly acid aqueous solution or the like (A liquid) containing, as constituent elements, Mo, P and V; (b) a step of mixing a part of the resulting A liquid with a cesium compound aqueous solution or the like (B liquid); and (c) a step of mixing the remainder of the A liquid with the B liquid to prepare a slurry liquid (C liquid).

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Patent Owner(s)

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NIPPON KAYAKU KABUSHIKI KAISHA1-1 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1000005 ?1000005

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ejiri, Tomoyuki Yamaguchi, JP 4 5
Konno, Yosuke Yamaguchi, JP 14 29
Nishimura, Eiji Yamaguchi, JP 49 668
Sakai, Hideomi Yamaguchi, JP 7 20

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges8711227112381574101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7001002003004005006007008009001000110012001300

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