发明授权
US5874609A Process for crystallizing L-.alpha.-aspartyl-L-phenylanlanine methyl
ester
失效
用于结晶L-α-天冬氨酰-L-苯丙氨酸甲酯的方法
- 专利标题： Process for crystallizing L-.alpha.-aspartyl-L-phenylanlanine methyl ester
- 专利标题（中）： 用于结晶L-α-天冬氨酰-L-苯丙氨酸甲酯的方法
-
申请号： US917507申请日： 1997-08-26
-
公开(公告)号： US5874609A公开(公告)日： 1999-02-23
- 发明人: Masayoshi Naruse , Haruo Kawasaki , Shinichi Kishimoto , Harutoshi Oura , Masao Nakamura , Hideo Takeda
- 申请人： Masayoshi Naruse , Haruo Kawasaki , Shinichi Kishimoto , Harutoshi Oura , Masao Nakamura , Hideo Takeda
- 申请人地址： JPX Tokyo
- 专利权人： Ajinomoto Company Incorporated
- 当前专利权人： Ajinomoto Company Incorporated
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX57-60671 19820412
- 主分类号： A23L27/30
- IPC分类号： A23L27/30 ; A23G3/00 ; A23G3/34 ; A23G3/42 ; A23G3/44 ; A23G9/32 ; A23G9/34 ; C07C67/00 ; C07C231/00 ; C07C231/24 ; C07K1/14 ; C07K5/072 ; C07K5/075 ; C07C224/00
摘要：
A crystalline L-alpha-aspartyl-L-phenyl-alanine methyl ester product is disclosed. The product is obtained by crystallizing the ester from an aqueous solution, by cooling. The initial concentration of ester in the aqueous solution used provides at least 10 grams of precipitated solid phase per liter of solution. The solution is cooled through conductive heat transfer without effecting forced flow to form a sherbet-like pseudo solid phase.
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