-
公开(公告)号:DE59708607D1
公开(公告)日:2002-12-05
申请号:DE59708607
申请日:1997-08-13
Applicant: BASF AG
Inventor: KESSEL DR , PATSCH DR , HERRMANN DR , REINER KURT , JESSEN DR , WIESENFELDT DR
Abstract: Liquid or solid mixtures of sulphonated 1:2-metal complex dyes, which contain little salt, and poly-N-vinylpyrrolidone (PVP) or copolymers (co-PVP) of N-vinylpyrrolidone and vinyl acetate, are claimed.
-
公开(公告)号:DE59900819D1
公开(公告)日:2002-03-21
申请号:DE59900819
申请日:1999-09-02
Applicant: BASF AG
Inventor: KESSEL DR , SCHERR DR , KLUGE DR , BIEDERMANN DR , GREINDL DR , BOGENSTAETTER DR , HAEHNLEIN DR
IPC: C07C279/14 , C07C277/02 , C07C277/08
Abstract: Preparation of creatine or creatine monohydrate by reaction of sodium or potassium sarcosinate with cyanamide at 20-150 degrees C and pH 7.0 to 14.0, the pH value is obtained using carbonic acid.
-