Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2011-06-21
2011-06-21
Niland, Patrick D (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S588000, C524S838000, C524S839000, C524S840000
Reexamination Certificate
active
07964665
ABSTRACT:
A cationic polyurethane resin aqueous dispersion wherein a cationic polyurethane resin (B) including a structural unit (A) represented by the following general formula (I) is dispersed in aqueous medium, and the content of a cationic amino group of the structural unit (A) in the cationic polyurethane resin (B) is 0.005 to 1.5 equivalents/kg.(In the formula, R1, represents an alkylene group which may include an alicyclic structure, a residue of bivalent phenol or polyoxyalkylene group, R2and R3each independently represents an alkyl group which may include an alicyclic structure, and R4represents a hydrogen atom or a residue of the quaternizing agent which is introduced by the quaternizing reaction, and X−represents an anionic counter ion.)
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Inoue Masato
Matsuo Masatoshi
Nagao Kenji
Tanaka Kazunori
DIC Corporation
Edwards Angell Palmer & & Dodge LLP
Niland Patrick D
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