发明申请
WO2018197539A1 REDUCTION OF CONTENT OF CARBOXYLIC ACIDS AND DERIVATIVES THEREOF IN OLEUM, DISULFURIC ACID OR CONCENTRATED SULFURIC ACID
审中-公开
基本信息:
- 专利标题: REDUCTION OF CONTENT OF CARBOXYLIC ACIDS AND DERIVATIVES THEREOF IN OLEUM, DISULFURIC ACID OR CONCENTRATED SULFURIC ACID
- 申请号:PCT/EP2018/060549 申请日:2018-04-25
- 公开(公告)号:WO2018197539A1 公开(公告)日:2018-11-01
- 发明人: BLAUDE, Jean-Marie , GOSSELIN, Benoit , LAMBERT, Alain , MAREK, Mathias , KRUEGER, Harald , SCHOSTAG, Jan , HEYD, Miriam
- 申请人: SOLVAY SA
- 申请人地址: Rue de Ransbeek, 310 1120 Bruxelles BE
- 专利权人: SOLVAY SA
- 当前专利权人: SOLVAY SA
- 当前专利权人地址: Rue de Ransbeek, 310 1120 Bruxelles BE
- 代理机构: MROSS, Stefan et al.
- 优先权: EP17168261.0 20170426
- 主分类号: C07C51/64
- IPC分类号: C07C51/64 ; C07C53/18 ; A01N29/00
摘要:
The present invention concerns a process for the reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid. The invention further concerns a process for the manufacture of carboxylic acid anhydrides comprising the process for the reduction of content of carboxylic acids and derivatives thereof from oleum, disulfuric acid or concentrated sulfuric acid.
IPC结构图谱:
C | 化学;冶金 |
--C07 | 有机化学 |
----C07C | 无环或碳环化合物 |
------C07C51/00 | 羧酸或它们的盐、卤化物或酐的制备 |
--------C07C51/42 | .分离;纯化;稳定化;添加剂的使用 |
----------C07C51/64 | ..分离;纯化;稳定化;添加剂的使用 |