Invention Grant
US09533940B2 Method for preserving 1,5-pentanediamine or salt thereof, method for preventing discoloration of 1,5-pentanediamine or salt thereof, and 1,5-pentanediamine or salt thereof in container
有权
保存1,5-戊二胺或其盐的方法，1,5-戊二胺或其盐的变色方法和1,5-戊二胺或其盐在容器中
- Patent Title: Method for preserving 1,5-pentanediamine or salt thereof, method for preventing discoloration of 1,5-pentanediamine or salt thereof, and 1,5-pentanediamine or salt thereof in container
- Patent Title (中): 保存1,5-戊二胺或其盐的方法，1,5-戊二胺或其盐的变色方法和1,5-戊二胺或其盐在容器中
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Application No.: US14820108Application Date: 2015-08-06
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Publication No.: US09533940B2Publication Date: 2017-01-03
- Inventor: Takehiro Hiura , Masataka Yamamoto , Yasuhiro Maruta
- Applicant: AJINOMOTO CO., INC.
- Applicant Address: JP Tokyo
- Assignee: AJINOMOTO CO., INC.
- Current Assignee: AJINOMOTO CO., INC.
- Current Assignee Address: JP Tokyo
- Agency: Cermak Nakajima & McGowan LLP
- Agent Shelly Guest Cermak
- Priority: JP2013-023851 20130208
- Main IPC: C07C209/90
- IPC: C07C209/90
Abstract:
Means of preserving 1,5-pentanediamine or a salt thereof without deterioration is provided. 1,5-pentanediamine or a salt thereof is preserved by adjusting any of a water content of 1,5-pentanediamine or a salt thereof purified through a distillation process, a temperature condition, and a material that comes into contact with 1,5-pentanediamine or a salt thereof.
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