Invention Grant
- Patent Title: Manufacture of diesters of dicarboxylic acids with substantial waste water purification
- Patent Title (中): 制造具有大量废水净化的二羧酸二酯
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Application No.: US37113973Application Date: 1973-06-18
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Publication No.: US3886199APublication Date: 1975-05-27
- Inventor: SUTER HUBERT , BERGER ROSEMARIE , BIPP HANSJOERG , BUERGER GERT , HAUPTMANN KURT , KRATZER OTTO , REIMER WILLI
- Applicant: BASF AG
- Assignee: Basf Ag
- Current Assignee: Basf Ag
- Priority: DE2230226 1972-06-21
- Main IPC: C07C69/003
- IPC: C07C69/003 ; C02F1/26 ; C02F9/00 ; C07C69/34 ; C07C69/80
Abstract:
Manufacture of diesters of dicarboxylic acids from aliphatic or aromatic dicarboxylic acids or their anhydrides and alcohols of from three to 15 carbon atoms, in which substantial purification of the waste water is achieved by treating the waste water with the same alcohol as used in the ester synthesis.
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