公开(公告)号：US3886199A

公开(公告)日：1975-05-27

申请号：US37113973

申请日：1973-06-18

Applicant: BASF AG

Inventor： SUTER HUBERT ,  BERGER ROSEMARIE ,  BIPP HANSJOERG ,  BUERGER GERT ,  HAUPTMANN KURT ,  KRATZER OTTO ,  REIMER WILLI

IPC: C07C69/003 ,  C02F1/26 ,  C02F9/00 ,  C07C69/34 ,  C07C69/80

CPC classification number: C02F1/26 ,  C02F2101/34 ,  C02F2101/345 ,  Y02P20/582

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.

Abstract translation: 从脂肪族或芳族二羧酸或其酸酐和3至15个碳原子的醇制造二羧酸的二酯，其中通过用与酯合成中所用相同的醇处理废水来实现废水的实质性纯化 。

公开(公告)号：DE3462510D1

公开(公告)日：1987-04-09

申请号：DE3462510

申请日：1984-07-03

Applicant: BASF AG

Inventor： BERGER ROSEMARIE ,  DREHER HERMANN DR ,  HAMBRECHT JUERGEN DR ,  HEIL EDUARD ,  REFFERT RUDI WILHELM ,  SWOBODA JOHANN DR ,  ECHTE ADOLF DR ,  SIEBEL PETER DR

IPC: C08G65/46

Abstract: The catalyst is removed in the preparation of high molecular weight polyphenylene ethers from monohydric phenols, which are alkyl-substituted at the two ortho-positions but not at the para-position and may or may not be alkyl-substituted at the meta-position, by an oxidative coupling reaction with oxygen at from 15 DEG to 50 DEG C. in the presence of a catalyst complex obtained from a copper salt and an organic amine, in the presence of from 1 to 20 parts by weight of a solvent per part by weight of the monomeric phenol, and in the presence or absence of an activator, and removal of the metal component of the catalyst from the polyphenylene ether solution with a complex-forming or chelate-forming compound in aqueous solution, in the presence or absence of reducing and stabilizing substances and assistants for accelerating the interphase reactions and for phase separation, by a method in which the continuous removal of the copper catalyst is carried out in one or more mixer-settler stages at a phase volume ratio of the organic phase to the aqueous phase of from 1:0.1 to 1:1.0, preferably from 1:0.4 to 1:0.6.

公开(公告)号：CA1001643A

公开(公告)日：1976-12-14

申请号：CA174543

申请日：1973-06-20

Applicant: BASF AG

Inventor： SUTER HUBERT ,  BERGER ROSEMARIE ,  BIPP HANSJOERG ,  BUERGER GERT ,  HAUPTMANN KURT ,  KRATZER OTTO ,  REIMER WILLI

IPC: C07C69/003 ,  C02F1/26 ,  C02F9/00