公开(公告)号：DE3623922A1

公开(公告)日：1988-01-21

申请号：DE3623922

申请日：1986-07-16

Applicant: BASF AG

Inventor： BAYER ROBERT ,  BOETTGER GUENTER DR ,  HILLER RAINER DR ,  HUBER MICHAEL ,  KOERNIG WOLFGANG DR ,  FRITZ WOLFGANG DR

IPC: A23K1/16 ,  A23K20/174 ,  A23K40/10 ,  A61K9/14 ,  A61K31/14 ,  C07C91/26

Abstract: A low-dust, free-flowing choline chloride powder based on natural carriers or silica, the choline chloride content on natural carriers being from 30 to 60% by weight and that on silica being from 30 to 80% by weight, based on the choline chloride powder, is prepared by a process in which (a) choline chloride solution is mixed with the carrier in the desired ratio within the stated range, (b) the resulting mixture is sprayed continuously into a fluidized bed already containing dry choline chloride powder and is dried there at from 90 DEG to 180 DEG C., and (c) the dried end product is removed from the fluidized bed and cooled to below 50 DEG C.

公开(公告)号：DE3776213D1

公开(公告)日：1992-03-05

申请号：DE3776213

申请日：1987-07-02

Applicant: BASF AG

Inventor： BAYER ROBERT ,  BOETTGER GUENTER DR ,  HILLER RAINER DR ,  HUBER MICHAEL ,  KOERNIG WOLFGANG DR ,  FRITZ WOLFGANG DR

IPC: A23K1/16 ,  A23K20/174 ,  A23K40/10 ,  A61K9/14 ,  A61K31/14

Abstract: Prodn. of non-dusting free-flowing choline chloride (CC) powders is effected by (a) mixing a CC soln. with a natural carrier (I) or silica (II) in an amt. sufficient to give a powder contg. 30-60 wt.% CC when (I) is used or 30-80 wt.% CC when (II) is used; (b) continuously injecting the mixt. into a fluidised bed contg. previously dried CC powder; (c) drying the mixt. at 90-180 deg.C in the fluidised bed; and (d) withdrawing the dried prod. and cooling it below 50 deg.C.