Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Reexamination Certificate
2007-05-10
2011-10-25
Loewe, Robert (Department: 1766)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
C257S100000
Reexamination Certificate
active
08044162
ABSTRACT:
An adhesion-promoting agent represented by the following average formula: R1aSiO(4-a/2(where R1is a group selected from an optionally substituted alkyl group with 1 to 10 carbon atoms, an alkenyl group with 2 to 20 carbon atoms, an aryl group with 6 to 20 carbon atoms, an alkoxy group with 1 to 10 carbon atoms, or an epoxy-containing organic group; however, in one molecule, the content of the alkenyl groups should constitute at least 5 mole % of all groups designated by R1; the content of the aryl groups should constitute at least 5 mole % of all groups designated by R1; the content of the alkoxy groups should constitute at least 5 mole % of all groups designated by R1; the content of the epoxy-containing organic groups should constitute at least 5 mole % of all groups designated by R1; and “a” is a number that satisfies the following condition: 1.0≦a<4) is a novel adhesion-promoting agent, and a curable organopolysiloxane composition that contains the aforementioned adhesion-promoting agent, has excellent adhesion to various organic-resin substrates and suitable for forming a cured body having high refractive index and high light transmissivity.
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Kato Tomoko
Morita Yoshitsugu
Tanaka Osamu
Ueki Hiroshi
Dow Corning Toray Company, Ltd.
Howard & Howard Attorneys PLLC
Loewe Robert
LandOfFree
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