-
公开(公告)号:CH495385A
公开(公告)日:1970-08-31
申请号:CH142767
申请日:1967-01-31
Applicant: BASF AG
Inventor: BRANDEIS HANS DR , GUENDER WOLF DR , MAYER JOHANNES DR
-
公开(公告)号:AT267870B
公开(公告)日:1969-01-27
申请号:AT120867
申请日:1967-02-08
Applicant: BASF AG
Inventor: BRANDEIS HANS DR , GUENDER WOLF DR , MAYER JOHANNES DR
IPC: C08G73/02
-
公开(公告)号:DE2740207B1
公开(公告)日:1978-11-09
申请号:DE2740207
申请日:1977-09-07
Applicant: BASF AG
Inventor: GRASER MARTIN , HANN ERNST-WILHELM , HENKEL HELMUT , MAYER JOHANNES DR , SCHMIDT-HELLERAU CHRISTOF
-
公开(公告)号:DE2355212B1
公开(公告)日:1975-03-06
申请号:DE2355212
申请日:1973-11-05
Applicant: BASF AG
Inventor: GRABOWSKY OTTO DR , MATTHIAS GUENTHER DR , MAYER JOHANNES DR , SCHOENAICH GUENTHER DR
IPC: C07C275/06 , C07C67/00 , C07C239/00 , C07C273/18 , C07C127/15
Abstract: The preparation of isobutylidenediurea from isobutyraldehyde and urea, the particle size of the product being controlled by alternate use of sulfuric acid and phosphoric acid.
-
-
-