公开(公告)号：DE1259264B

公开(公告)日：1968-01-25

申请号：DEF0051078

申请日：1966-12-24

Applicant: HOECHST AG

Inventor： MUELLER DR HEINZ ,  KREMPL ENGELBERT

IPC: B03D1/01

Abstract: Procedure for the flotation of silvina from crude potassium salts, characterized in that diamines of the formula are used as collectors ** (see formula) ** Wherein n has values of 2 to 4 and r as well as r'represent saturated or unbranched, branched or straight chain alkylic moieties, which together contain about 7 to 22 carbon atoms. (Machine-translation by Google Translate, not legally binding)

公开(公告)号：DE1259288B

公开(公告)日：1968-01-25

申请号：DEF0037762

申请日：1962-09-07

Applicant: HOECHST AG

Inventor： GRONEN WILLI ,  GROSS DIPL-CHEM DR RICHARD ,  MUELLER DR HEINZ

IPC: D06P1/12

公开(公告)号：DE1619057A1

公开(公告)日：1971-01-28

申请号：DE1619057

申请日：1967-11-07

Applicant: HOECHST AG

Inventor： MUELLER DR HEINZ ,  KREMPL ENGELBERT ,  KOLLER OTTO

IPC: D06M13/372 ,  D06M13/46 ,  D06M13/463 ,  D06M13/47 ,  D06M

公开(公告)号：DE1260061B

公开(公告)日：1968-02-01

申请号：DEF0047967

申请日：1965-12-18

Applicant: HOECHST AG

Inventor： MUELLER DR HEINZ ,  KASTNER DR PAUL ,  KREMPL ENGELBERT ,  MAY DR ADOLF

IPC: C10L1/14 ,  C10L1/18 ,  C10L1/22 ,  C23F11/10