发明授权
- 专利标题： Process for isolating and purifying diphenol by-products
- 专利标题（中）： 二酚副产物的分离和纯化方法
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申请号： US33392申请日： 1979-04-26
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公开(公告)号： US4240968A公开(公告)日： 1980-12-23
- 发明人: Clayton B. Quinn , Clayton W. Reinitz , William Hilakos
- 申请人： Clayton B. Quinn , Clayton W. Reinitz , William Hilakos
- 申请人地址： MA Pittsfield
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 当前专利权人地址： MA Pittsfield
- 主分类号： C07D311/58
- IPC分类号： C07D311/58 ; C08G64/06 ; C07D311/04
摘要：
A process is disclosed for isolating and purifying diphenol by-products to obtain an enriched chroman-I concentrate. The process includes slurrying a mixture of diphenol by-products in a suitable solvent system to form a solid, and then recovering, washing and drying the collected solid.
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