Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Reexamination Certificate
2006-12-05
2006-12-05
Peng, Kuo-Liang (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
C556S458000, C556S460000, C528S023000, C528S012000, C528S041000, C430S325000, C524S588000, C427S387000
Reexamination Certificate
active
07144968
ABSTRACT:
A silicon-containing polymer having a tetrafunctional siloxane portion as the basic skeleton, and containing a carboxylic acid group-containing triorganosiloxane portion and a carboxylic acid derivative group-containing triorganosiloxane portion in a specific proportion. It may be advantageously used as a negative non-chemical amplification resist polymer or a positive chemical amplification resist polymer.
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Kozawa Miwa
Watanabe Keiji
Yano Ei
Arent & Fox PLLC
Fujitsu Limited
Peng Kuo-Liang
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