Invention Grant
- Patent Title: Catalyst for use in production of methacrylic acid and method for manufacturing the same
- Patent Title (中): 用于生产甲基丙烯酸的催化剂及其制造方法
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Application No.: US11887017Application Date: 2006-03-28
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Publication No.: US08716523B2Publication Date: 2014-05-06
- Inventor: Atsushi Sudo , Tatsuhiko Kurakami , Toshitake Kojima , Shigeo Hayashimoto
- Applicant: Atsushi Sudo , Tatsuhiko Kurakami , Toshitake Kojima , Shigeo Hayashimoto
- Applicant Address: JP Tokyo
- Assignee: Nippon Kayaku Kabushiki Kaisha
- Current Assignee: Nippon Kayaku Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Nields, Lemack & Frame, LLC
- Priority: JP2005-094734 20050329
- International Application: PCT/JP2006/306318 WO 20060328
- International Announcement: WO2006/104155 WO 20061005
- Main IPC: C07C51/235
- IPC: C07C51/235 ; B01J23/22
Abstract:
A method for manufacturing a catalyst of which active components are partly neutralized salt of heteropoly acid comprising molybdenum, phosphorus, vanadium, cesium, antimony, and ammonia as essential components, wherein the method is characterized in mixing an antimony compound with a complex oxide of the essential active components in the catalyst containing active components other than antimony, wherein the antimony compound may be added during slurry preparation.
Public/Granted literature
- US20090234158A1 Catalyst for use in production of methacrylic acid and method for manufacturing the same Public/Granted day:2009-09-17
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