REDUCTION OF CONTENT OF CARBOXYLIC ACIDS AND DERIVATIVES THEREOF IN OLEUM, DISULFURIC ACID OR CONCENTRATED SULFURIC ACID

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专利权人:

SOLVAY SA

发明人:

BLAUDE, Jean-Marie,GOSSELIN, Benoit,LAMBERT, Alain,MAREK, Mathias,KRUEGER, Harald,SCHOSTAG, Jan,HEYD, Miriam

申请号：

WO2018EP60549

公开号：

WO2018197539(A1)

申请日:

2018.04.25

申请国别(地区):

世界知识产权组织国际局

年份:

2018

代理人:

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.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/