Stock material or miscellaneous articles – Composite – Of silicon containing
Reexamination Certificate
2008-11-26
2011-12-27
Boykin, Terressa (Department: 1765)
Stock material or miscellaneous articles
Composite
Of silicon containing
C359S642000, C359S712000, C525S446000, C525S464000, C528S026000, C528S305000
Reexamination Certificate
active
08084134
ABSTRACT:
Disclosed herein is a thermoplastic composition comprising a combination of: a polysiloxane-polycarbonate copolymer and a poly(aliphatic ester)-polycarbonate copolymer comprising soft block ester units of the formula (8a):wherein m is 4 to 18, wherein the thermoplastic composition has a melt volume rate of 14 cc/10 min to 22 cc/10 min at 300° C. and under a load of 1.2 Kg and a dwell time of 6 minutes, according to ASTM D1238-04, wherein an article molded from the thermoplastic composition and having a thickness of 3.2 mm has a percent transmittance of greater than 85% according to ASTM D1003-00, and wherein 100% of a set of five test articles each having a thickness of 3.2 mm and molded from the thermoplastic composition exhibit ductile fracture at −40° C. when measured for notched Izod Impact according to ASTM D256-04. An article comprising the thermoplastic composition is also disclosed.
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International Search Report; International Application No. PCT/US2009/065503; International Filing Date: Nov. 23, 2009; Date of Mailing: Feb. 1, 2010; 6 Pages.
Written Opinion of the International Search Report; International Application No. PCT/US2009/065503; International Filing Date: Nov. 23, 2009; Date of Mailing: Feb. 1, 2010; 5 Pages.
Malinoski Jon M.
Maruvuda Sriramakrishna
Singh Anirudha
Boykin Terressa
Cantor & Colburn LLP
Sabic Innovative Plastics IP B.V.
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