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1.Process for producing acetals and hemiacetals of phosphonium salt compounds 失效
Title translation: 生产磷酸盐和磷酸盐化合物的方法公开(公告)号:US3471569A
公开(公告)日:1969-10-07
申请号:US3471569D
申请日:1964-11-24
Applicant: BASF AG
Inventor: FREYSCHLAG HERWIG , REIF WERNER , NUERRENBACH AXEL , POMMER HORST
CPC classification number: C07C403/14 , C07C45/72 , C07C2601/16 , C07F9/5407 , C07F9/5428 , C07C47/21
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公开(公告)号:US3682989A
公开(公告)日:1972-08-08
申请号:US3682989D
申请日:1970-04-24
Applicant: BASF AG
Inventor: REIF WERNER , NUERRENBACH AXEL , FREYSCHLAG HERWIG
IPC: A61K9/16 , C07C175/00
CPC classification number: A61K9/1688
Abstract: Process for the preparation of granular vitamin A esters by contacting the molten vitamin A esters with a cold organic liquid kept in motion.
Abstract translation: 通过使熔融的维生素A酯与保持运动的冷有机液体接触来制备颗粒状维生素A酯的方法。
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公开(公告)号:US3485859A
公开(公告)日:1969-12-23
申请号:US3485859D
申请日:1966-08-19
Applicant: BASF AG
Inventor: REIF WERNER , HAUG PETER , FREYSCHLAG HERWIG , POMMER HORST
IPC: C07C7/148 , C07C403/00 , C11C3/00 , C07C67/06
CPC classification number: C07C403/12 , C07C7/148 , C07C7/14841 , C07C403/20 , C07C2601/16 , C07C11/02
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公开(公告)号:US3449438A
公开(公告)日:1969-06-10
申请号:US3449438D
申请日:1964-11-19
Applicant: BASF AG
Inventor: FREYSCHLAG HERWIG , REIF WERNER , NUERRENBACH AXEL , SARNECKI WILHELM
CPC classification number: C07F9/5352 , A01N57/22
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