Polyether derivative and process for producing the same

Details Polyether derivative and process for producing the same Polyether derivative and process for producing the same

2007-01-16

2007-01-16

Feely, Michael J. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having a halogen atom or oxygen single bonded...

C528S370000, C528S372000, C528S373000, C528S391000, C528S422000, C528S425000

Reexamination Certificate

active

10687610

ABSTRACT:
The present invention relates to a polyether derivative represented by the following general formula (I):wherein X1represents —CO— or —SO2—; Ar1represents unsubstituted arylene, or arylene substituted with a halogen atom, or an alkyl, alkenyl, alkynyl, alkoxy, alkoxycarbonyl aryloxycarbonyl or cyano group; L represents alkylene; m is 1 or 2; A represents —X2—Ar2—(NH2)1, a hydrogen atom, or an alkyl, aryl or acyl group, wherein X2, Ar2and l have the same meanings as the above-mentioned X1, Ar1and m, respectively; and n is the average addition mole number of the polyether group, and is a numerical value of 10 to 500.

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