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Patent Searching and Data


Title:
アルキルケテンダイマーの製造方法
Document Type and Number:
Japanese Patent JP4469606
Kind Code:
B2
Abstract:
Alkylketene dimers are prepared by reacting acyl chlorides with tertiary amines in a molar ratio of from 1:1 to 1:1.6 at from 65 to 150° C. and with a residence time of from 1 to 30 minutes in the absence of solvents with thorough mixing and isolation of the alkylketene dimers.

Inventors:
Laurent Ettle
Manfred Winter
Torsten Freund
Thomas kessler
Gunter Grim
Application Number:
JP2003547386A
Publication Date:
May 26, 2010
Filing Date:
November 19, 2002
Export Citation:
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Assignee:
BASF SE
International Classes:
C07D305/12; C07D315/00
Domestic Patent References:
JP6256333A
JP5271212A
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard