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
2006-06-22
2011-12-06
Moore, Margaret (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C528S026000
Reexamination Certificate
active
08071693
ABSTRACT:
Disclosed herein is a polysiloxane/polyimide block copolymer having a siloxane content of 5 to 30 weight percent, based on the total weight of the block copolymer and comprising repeating units of Formula (I)wherein R1-6are independently at each occurrence selected from the group consisting of substituted or unsubstituted, saturated, unsaturated or aromatic monocyclic and polycyclic groups having 5 to 30 carbon atoms, substituted or unsubstituted alkyl groups having 1 to 30 carbon atoms and substituted or unsubstituted alkenyl groups having 2 to 30 carbon atoms,V is a tetravalent linker selected from the group consisting of substituted or unsubstituted, saturated, unsaturated or aromatic monocyclic and polycyclic groups having 5 to 50 carbon atoms, substituted or unsubstituted alkyl groups having 1 to 30 carbon atoms, substituted or unsubstituted alkenyl groups having 2 to 30 carbon atoms and combinations comprising at least one of the foregoing linkers,g equals 1 to 30, and d is greater than or equal to 1. Also disclosed are blends of the disclosed block copolymers, methods of making the blends and articles comprising the block copolymer and block copolymer blends.
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Banerjee Susanta
Gallucci Robert Russell
Haralur Gurulingamurthy M
Kailasam Ganesh
Kernick William A
Cantor & Colburn LLP
Eyl Diderico van
Moore Margaret
Sabic Innovative Plastics IP B.V.
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