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公开(公告)号:JPH03168212A
公开(公告)日:1991-07-22
申请号:JP29909690
申请日:1990-11-06
Applicant: BASF AG
Inventor: HERUBERUTO MIYURAA , GERUHARUTO IESHIEKU , RORUFU FUITSUSHIYAA , HANSUUYURUGEN BUEIAA
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公开(公告)号:JPH03126722A
公开(公告)日:1991-05-29
申请号:JP26657790
申请日:1990-10-05
Applicant: BASF AG
Inventor: HERUBERUTO MIYURAA , GERUHARUTO IESHIEKU , RORUFU FUITSUSHIYAA , HANSUUYURUGEN BUEIAA
Abstract: Process for the purification of crude polyalkylene ether glycols which are contaminated with heteropoly acids or salts thereof, by treatment with solvents, characterised in that the crude polyalkylene ether glycols are mixed with a liquid hydrocarbon and water, and the purified polyalkylene glycols are isolated from the upper phase after phase separation.
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公开(公告)号:JPS62114940A
公开(公告)日:1987-05-26
申请号:JP26291286
申请日:1986-11-06
Applicant: BASF AG
IPC: C07B61/00 , B01J23/00 , B01J23/72 , B01J23/78 , C07C67/00 , C07C209/00 , C07C209/14 , C07C209/16 , C07C211/03 , C07C211/05 , C07C211/08
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公开(公告)号:JPH0517568A
公开(公告)日:1993-01-26
申请号:JP5139992
申请日:1992-03-10
Applicant: BASF AG
Inventor: HANSUUYURUGEN BUAIAA , RORUFU FUITSUSHIYAA , GERUHARUTO IESHIEKU , HERUBERUTO MIYURAA
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