Title:
【発明の名称】リン酸チアミンの精製方法
Document Type and Number:
Japanese Patent JP2002532507
Kind Code:
A
Abstract:
The invention relates to a method for removing phosphoric acid, thiamine triphosphate and higher thiamine phosphates from solutions that contain phosphoric acid, thiamine monophosphate, thiamine diphosphate, diamine triphosphate and higher phosphates. The inventive method is characterized by passing the phosphoric acid solution of thiamine phosphates over a non-ionogenic adsorber resin which comprises unsaturated cyclic nitrogen bases and eluting thiamine monophosphate and thiamine diphosphate with a suitable solvent.
Inventors:
Kulmrat, Holger
Beshman, Claus
Waltenberg, Frank-Haldi
Diekman, Horst
Beshman, Claus
Waltenberg, Frank-Haldi
Diekman, Horst
Application Number:
JP2000588185A
Publication Date:
October 02, 2002
Filing Date:
November 17, 1999
Export Citation:
Assignee:
Merck Patent Gesellschaft Mitt Beschlenktel Haftung
International Classes:
B01J20/34; C07F9/02; C07F9/6558; C08F26/06; B01D15/00; (IPC1-7): C07F9/6558; B01D15/00; B01J20/34; C08F26/06
Attorney, Agent or Firm:
Nobuyuki Kaneda (2 others)