Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Reexamination Certificate
2011-05-03
2011-05-03
McClendon, Sanza L (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
C528S076000, C528S271000, C528S272000, C528S059000, C528S065000, C528S075000, C528S081000, C528S083000, C522S090000, C522S096000, C522S097000, C522S113000, C522S114000, C522S121000, C522S120000, C522S173000, C522S174000, C522S178000, C522S179000, C522S182000, C522S100000, C522S168000, C522S170000, C522S150000, C522S151000, C522S152000, C430S176000, C430S175000, C430S177000, C430S270100, C430S281100, C430S284100, C430S906000, C430S311000, C430S330000, C430S331000, C525S460000
Reexamination Certificate
active
07935776
ABSTRACT:
The present invention relates to a radiation curable and developable polyurethane which is characterized by having a carboxy group in its main chain and a acryloyl group in its side chain and comprising the following repeat units (I), (II), and (II) in a random arrangement:wherein R1, R2, R3, R4, and T are defined in the specification. The polyurethane has a weight molecular weight measured by GPC in a range of from 3,000 to 400,000; an acid value in a range of from 5 to 120 mgKOH/g. The present invention also relates to a radiation curable and developable composition containing the polyurethane.
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Chang Jui Ming
Chang Li Chung
Chen Ying Jen
Huang Wei Hsiang
Kuo Chun Hung
AGI Corporation
McClendon Sanza L
Muncy Geissler Olds & Lowe, PLLC
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