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公开(公告)号:US10428007B2
公开(公告)日:2019-10-01
申请号:US16082704
申请日:2017-10-17
申请人: LG CHEM, LTD.
发明人: Byung Yul Choi , Hyun Jong Shin , Junghoon Chang , Young Hyun Choe , Jun Seok Ko , Sang Hun Jeon
IPC分类号: C07C45/35 , C07C51/00 , B01J23/00 , C07C51/25 , B01J8/06 , B01J23/887 , B01J37/02 , B01J37/03 , B01J37/04 , B01J37/08
摘要: The present invention relates to a method for producing unsaturated aldehydes and unsaturated carboxylic acids. According to the present invention, a method for producing unsaturated aldehydes and unsaturated carboxylic acids which can impart activity and control temperature independently in fixed catalyst layer zones in a shell-and-tube reactor, thereby exhibiting improved yield and operation stability, is provided.
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公开(公告)号:US10569260B2
公开(公告)日:2020-02-25
申请号:US16075887
申请日:2017-10-25
申请人: LG CHEM, LTD.
发明人: Byung Yul Choi , Young Hyun Choe , Duk Ki Kim , Hyun Jong Shin , Ju Yeon Park , Hyun Sub Lim , Hyo Sang You
IPC分类号: C07C51/25 , B01J27/00 , B01J23/00 , B01J27/199 , B01J27/18 , B01J23/88 , B01J37/00 , B01J23/28 , C07C57/04 , B01J37/02 , B01J37/04 , B01J37/08
摘要: The present invention relates to a method for preparing a catalyst and a method for preparing unsaturated carboxylic acid using the catalyst prepared according to the preparation method. According to the method for preparing a catalyst, unsaturated carboxylic acid can be provided from an unsaturated aldehyde with a high conversion rate and selectivity.
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公开(公告)号:US20230001390A1
公开(公告)日:2023-01-05
申请号:US17781651
申请日:2021-08-17
申请人: LG CHEM, LTD.
发明人: Hyunsub Lim , Byung Yul Choi , Young Hyun Choe , Dong Woo Seo , Hyeonho Joo , Youngju Choi , Saeha Lee , Minsu Kim
摘要: A method for preparing a molybdenum-bismuth-based composite metal oxide.
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公开(公告)号:US09919295B2
公开(公告)日:2018-03-20
申请号:US15502036
申请日:2016-06-24
申请人: LG CHEM, LTD.
发明人: Byung Yul Choi , Hyun Jong Shin , Young Hyun Choe , Duk Ki Kim , Hyun Sub Lim , Hyo Sang You
IPC分类号: B01J27/199 , B01J27/14 , B01J27/057 , B01J23/755 , B01J23/75 , B01J23/745 , B01J23/72 , B01J23/50 , B01J23/46 , B01J23/34 , B01J23/30 , B01J23/28 , B01J23/26 , B01J23/22 , B01J23/20 , B01J23/18 , B01J23/14 , B01J23/10 , B01J23/04 , B01J23/02 , B01J21/10 , B01J21/06 , B01J21/02
CPC分类号: B01J27/199 , B01J21/02 , B01J21/06 , B01J21/063 , B01J21/066 , B01J21/10 , B01J23/02 , B01J23/04 , B01J23/10 , B01J23/14 , B01J23/18 , B01J23/20 , B01J23/22 , B01J23/26 , B01J23/28 , B01J23/30 , B01J23/34 , B01J23/464 , B01J23/50 , B01J23/6525 , B01J23/6527 , B01J23/6562 , B01J23/686 , B01J23/687 , B01J23/688 , B01J23/72 , B01J23/745 , B01J23/75 , B01J23/755 , B01J23/8878 , B01J23/8885 , B01J23/8898 , B01J23/8993 , B01J27/0576 , B01J27/14 , B01J35/08 , B01J37/0219 , B01J37/0221 , B01J37/0228 , B01J37/0232 , B01J2523/00 , C07C51/235 , B01J2523/17 , B01J2523/24 , B01J2523/55 , B01J2523/56 , B01J2523/68 , B01J2523/69 , B01J2523/72 , B01J2523/842 , C07C57/04
摘要: The present invention relates to a high-performance polyoxometalate catalyst and a method of preparing the same. More particularly, the present invention provides a high-performance polyoxometalate catalyst, the activity and selectivity of which may be improved by controlling the content of vanadium and the like and which has superior reproducibility and may unsaturated carboxylic acid from unsaturated aldehyde in a high yield for a long time, a method of preparing the same, and the like.
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