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
2005-12-27
2005-12-27
Peng, Kuo-Liang (Department: 1712)
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...
C528S031000, C528S025000, C525S479000, C556S445000
Reexamination Certificate
active
06979710
ABSTRACT:
A curable fluoropolyether rubber composition comprising (A) a straight-chain fluoropolyether compound having at least two alkenyl groups and a perfluoropolyether structure, (B) an organosilicon compound having at least two SiH groups, (C) a perfluoroparaffin or derivative in powder form, at least 80% by weight of which volatilizes off when held in a drier at 200° C. for 4 hours, and which has a melting point of at least 50° C., and (D) a hydrosilylation catalyst cures into a product that exhibits solvent resistance, chemical resistance, weather resistance, water repellency, oil repellency and heat resistance, and is improved in mold release and compression set.
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Patent Abstracts of Japan, vol. 2003, No. 12, corresponding to JP 2003 292761 A, Oct. 15, 2003.
Kishita Hirofumi
Osawa Yasuhisa
Birch & Stewart Kolasch & Birch, LLP
Peng Kuo-Liang
Shin-Etsu Chemical Co. , Ltd.
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