Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Reexamination Certificate
2011-08-30
2011-08-30
Gulakowski, RAndy (Department: 1766)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From sulfur-containing reactant
C528S380000, C528S377000, C252S062200, C252S500000, C252S301350, C562S118000
Reexamination Certificate
active
08008425
ABSTRACT:
A thiophene compound having sulfonyl groups which is represented by the formula [1]. It has high heat resistance and high unsusceptibility to oxidation and can improve solubility and dispersibility in various solvents.[In the formula, R1and R2each independently represents hydrogen, halogeno, cyano, etc.; and R3and R3′each independently represents C1-20alkyl, C1-20haloalkyl, phenyl optionally substituted by W, thienyl optionally substituted by W, etc. (W represents chlorine, etc.).]
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Furusho Hitoshi
Kakiuchi Nobuyuki
Nakaie Naoki
Okauchi Tatsuo
Otani Naoki
Birch & Stewart Kolasch & Birch, LLP
Fang Shane
Gulakowski Randy
Nissan Chemical Industries Ltd.
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