发明名称 |
Process and composition for inhibiting dihydric phenol degradation and colour quality reduction. |
摘要 |
<p>A process which comprises the addition of a dihydric phenol degradation inhibiting and color inhibiting effective amount of a phosphite to a composition comprising a dihydric phenol, phenol, and isomers of the dihydric phenol, said addition occurring prior to a distillation procedure.</p> |
申请公布号 |
EP0350695(A2) |
申请公布日期 |
1990.01.17 |
申请号 |
EP19890111578 |
申请日期 |
1989.06.26 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
KISSINGER, GAYLORD MICHAEL |
分类号 |
C07C37/74;C07C37/88;C07C39/04;C07C39/08;C07C39/16 |
主分类号 |
C07C37/74 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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