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Title:
METHOD FOR PRODUCING POLYSACCHARIDE DERIVATIVE
Document Type and Number:
Japanese Patent JP2008074962
Kind Code:
A
Abstract:

To provide a method for efficiently producing a polysaccharide derivative in high productivity.

The method for producing the polysaccharide derivative involves reacting a polysaccharide or a lower alkyl or a hydroxy lowr alkyl substitution product thereof with an epoxy compound or the like selected from (a) a glycidyl ether having a 10-40C alkyl group or the like, (b) an epoxyalkanesulfonic acid or the like, (c) an epoxy fatty acid or the like, (d) an epoxyalkylamine or the like, (e) an epoxyalkyl phosphate or the like and (f) a polyoxyalkylation agent represented by the general formula: E3-(OA)n-E2-R [wherein, E3 is a 3-6C epoxidized alkyl group or the like; n is a number of 8-300; A's are the same or different and each a 1-6C divalent saturated hydrocarbon group; E2 is an ether bond or an oxycarbonyl group; and R is a 4-30C alkyl group which may be substituted with a hydroxy group].


Inventors:
NISHIOKA TORU
Application Number:
JP2006255827A
Publication Date:
April 03, 2008
Filing Date:
September 21, 2006
Export Citation:
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Assignee:
KAO CORP
International Classes:
C08B11/08; C08B11/10; C08B11/12; C08B11/145
Domestic Patent References:
JP2002114801A2002-04-16
JP2005239845A2005-09-08
Attorney, Agent or Firm:
Alga Patent Office, a patent business corporation
Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto
Hiromi Matoba
Moriya Kataka
Ohno Shiki
Masahiro Matsuda
Nobuhiro Nonaka