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Title:
弗化物の少ない有機化合物の製法
Document Type and Number:
Japanese Patent JP4621352
Kind Code:
B2
Abstract:
Production of organic compounds (I) having a low content of hydrolyzable fluoride (HLF) involves contacting HLF-contaminated (I) with a removing agent for HLF selected from inorganic oxide sorbents (II) and onium salts (III) of carboxylic acids. An independent claim is also included for 4-chloro-4,4-difluoroacetoacetic acid, 4,4-difluoroacetoacetic acid and their onium salts.

Inventors:
Max brown
Johannes Aicher
Franceine Jansen
Kerstin Eichholtz
Stefan Pulse Helm
Application Number:
JP2000558053A
Publication Date:
January 26, 2011
Filing Date:
June 29, 1999
Export Citation:
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Assignee:
Solvay Fluor GmbH
International Classes:
C07C51/47; C07C17/389; C07C51/64; C07C53/18; C07C55/32; C07C55/40; C07C59/21; C07C67/14; C07C67/56; C07C67/58; C07C69/63; C07C69/738; C07C201/16
Domestic Patent References:
JP7048316A
JP64085946A
JP6306008A
JP11092423A
JP59093025A
JP60239437A
JP48081814A
Other References:
社団法人日本化学会,第4版実験化学講座1 基本操作I,丸善株式会社,1990年,第293頁
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel