发明授权
- 专利标题: Recovery of aromatic carboxylic acids and oxidation catalyst
- 专利标题(中): 芳香羧酸和氧化催化剂的回收
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申请号: US13637460申请日: 2011-03-16
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公开(公告)号: US09409849B2公开(公告)日: 2016-08-09
- 发明人: C. G. Karanjgaokar
- 申请人: C. G. Karanjgaokar
- 申请人地址: US DE Wilmington
- 专利权人: Invista North America S.A.R.L.
- 当前专利权人: Invista North America S.A.R.L.
- 当前专利权人地址: US DE Wilmington
- 代理机构: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- 优先权: IN826/CHE/2010 20100326
- 国际申请: PCT/US2011/028666 WO 20110316
- 国际公布: WO2011/119395 WO 20110929
- 主分类号: C07C51/48
- IPC分类号: C07C51/48 ; C07C51/265 ; C22B7/00
摘要:
The present invention relates to a process for recovery of catalyst, aromatic polycarboxylic acids and aromatic monocarboxylic acids from a residue stream from manufacture of an aromatic polycarboxylic acid.
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