Stock material or miscellaneous articles – Composite – Of silicon containing
Reexamination Certificate
2004-01-23
2008-12-02
Moore, Margaret G (Department: 1796)
Stock material or miscellaneous articles
Composite
Of silicon containing
C524S503000, C524S506000, C525S058000
Reexamination Certificate
active
07459213
ABSTRACT:
A composition comprising the following components:100 parts by weight of an organopolysiloxane (A),0.1 to 30 parts by weight of a crosslinking agent (B),50 to 1,000 parts by weight of a polyvinyl alcohol homopolymer or copolymer (C),0 to 5 parts by weight, as an active ingredient, of a catalyst (D),100 to 100,000 parts by weight of water (E), and0.1 to 100 parts by weight of a surfactant (F), wherein component (A) is an organopolysiloxane (A3) having at least two alkenyl groups and represented by the following formula (3):wherein each R1may be same or different and is a group having 1 to 20 carbon atoms selected from the group consisting of alkyl groups, alicyclic groups, and aryl groups, whose hydrogen atoms bonded to the carbon atoms may partly be replaced with a halogen atom or a cyano group, R2 is an alkenyl group and X3is the group represented by the following formula:wherein a3, b3, c3, d3 and e3 are such numbers that the organopolysiloxane (A3) has a viscosity at 25 degrees C. of from 0.05 to 500 Pa·s, and b3, c3, d3 and e3 may be zero, and α and β are integers of from 0 to 3 andcomponent (B) is an organohydrogenpolysiloxane (B3) having at least three SiH groups per molecule.
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English language translation DE 24 49 085, Apr. 1976.
Webster's Dictionary, definition of “cardboard”.
Nakajima Tsutomu
Ogawa Masahiko
Yamamoto Kenji
Birch & Stewart Kolasch & Birch, LLP
Moore Margaret G
Shin-Etsu Chemical Co. , Ltd.
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