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Title:
CARBOXYL GROUP-CONTAINING POLYOXYALKYLENE COMPOUND
Document Type and Number:
Japanese Patent JP3812204
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a compound used for modification of a compound or a drug with the purpose of the reduction of the antigenicity of the compound or the drug, the stabilization thereof, the extension of the residence time thereof in blood or the like by introducing a carboxyl group or an activated carboxyl group in the center of a triglycerin.
SOLUTION: A carboxyl group-containing polyoxyalkylene compound is represented by the formula I, wherein R1 is a hydrogen atom, a 1-24C hydrocarbon group or a 1-24C acyl group; R2 is a 3-4C hydrocarbon group; R3 is a 1-10C hydrocarbon group; AO is a 3-4C oxyalkylene group; Y is a hydrogen atom or an active group represented by formula II or formula III; n is an average number by mol of addition of an oxyethylene group which is 1-1,000; m is an average number by mol of addition of a 3-4C oxyalkylene group which is 0-250; n/(n+m) is not less than 0.8; and the oxyethylene group and the 3-4C oxyalkylene group may be added in a block or in a random order.


Inventors:
Kozo Michinaka
Shunsuke Ohashi
Chika Ito
Application Number:
JP4435099A
Publication Date:
August 23, 2006
Filing Date:
February 23, 1999
Export Citation:
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Assignee:
Nippon Oil & Fat Co., Ltd.
International Classes:
C08G65/28; C08G65/32; C08G65/333; C08G65/334; (IPC1-7): C08G65/334; C08G65/333; C08G65/28
Domestic Patent References:
JP8048763A
JP9302087A
JP11228685A
JP10139878A