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
2007-04-30
2010-11-09
Cheung, William K (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S191000, C525S131000
Reexamination Certificate
active
07829632
ABSTRACT:
A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a poly(C4-alkylene) ester, and a polyester comprising cyclohexanedimethylene terephthalate units, or a combination of cyclohexanedimethylene terephthalate and ethylene terephthalate. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.
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Chakravarti Shreyas
Schrauwen Bernardus Antonius Gerardus
van de Grampel Robert Dirk
Cantor & Colburn LLP
Cheung William K
Eyl Diderico van
Sabic Innovative Plastics IP B.V.
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