Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-09-06
2005-09-06
Sellers, Robert E. L. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C524S266000, C524S268000, C528S034000
Reexamination Certificate
active
06939925
ABSTRACT:
Provided is a room-temperature curable organopolysiloxane composition including (I) an organopolysiloxane, and (II) a silane compound containing silicon-bonded hydrolysable groups and/or a partial hydrolysis-condensation product thereof. The organopolysiloxane (I) is a condensation product of (A) an organosiloxane which includes R3SiO1/2units wherein R represents an unsubstituted or substituted monovalent hydrocarbon group and SiO4/2units, in which the molar ratio R3SiO1/2to SiO4/2is 0.6 to 1.2, and further includes less than 2.0% by weight of silicon-bonded hydroxyl groups, and (B) a diorganopolysiloxane with molecular chain terminals blocked with functional group-containing silyl groups. This composition generates a cured product or coating film with good transparency and good strength, which is useful as a coating material for electrical or electronic components or circuits, a sealant for liquid crystal display elements, and an antifouling paint for underwater structures.
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Kameda Norio
Kimura Tsuneo
Sakamoto Takafumi
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Sellers Robert E. L.
Shin-Etsu Chemical Co. , Ltd.
Zimmer Marc S
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