发明授权
- 专利标题: Purification of methacrylic acid from an oxydehydrogenation by crystallization
- 专利标题(中): 通过结晶从氧化脱氢中纯化甲基丙烯酸
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申请号: US113586申请日: 1987-10-19
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公开(公告)号: US4780568A公开(公告)日: 1988-10-25
- 发明人: Ralph F. Pascoe
- 申请人: Ralph F. Pascoe
- 申请人地址: KY Ashland
- 专利权人: Ashland Oil, Inc.
- 当前专利权人: Ashland Oil, Inc.
- 当前专利权人地址: KY Ashland
- 主分类号: C07C51/43
- IPC分类号: C07C51/43 ; C07C57/07 ; C07C405/00 ; C07C51/377 ; C07C51/47 ; C07C51/50 ; C07C57/075
摘要:
A process for separation of methacrylic acid from methacrylic acid-isobutyric acid mixtures involving the selective crystallization and removal of the methacrylic acid from said mixtures is decribed.
公开/授权文献
- US5988416A Footed container and base therefor 公开/授权日:1999-11-23
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