发明申请
US20110105806A1 METHOD FOR ELIMINATING COLOR FORMING IMPURITIES FROM NITRO COMPOUNDS
有权
消除由硝基化合物形成污染物的颜色的方法
- 专利标题: METHOD FOR ELIMINATING COLOR FORMING IMPURITIES FROM NITRO COMPOUNDS
- 专利标题(中): 消除由硝基化合物形成污染物的颜色的方法
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申请号: US12934803申请日: 2009-04-08
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公开(公告)号: US20110105806A1公开(公告)日: 2011-05-05
- 发明人: Daniel M. Trauth , Edward L. Little , Richard L. James , John D. Gummere , Morteza Mokhtarzadeh , Li Wang
- 申请人: Daniel M. Trauth , Edward L. Little , Richard L. James , John D. Gummere , Morteza Mokhtarzadeh , Li Wang
- 国际申请: PCT/US09/39903 WO 20090408
- 主分类号: C07C205/01
- IPC分类号: C07C205/01 ; C07C205/00
摘要:
A method for stabilizing nitro compounds against discoloration. The method comprises reacting nitro compounds containing color-forming impurities with nitric acid, neutralizing and washing the product, and distilling therefrom purified nitro compounds.
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