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
2006-01-17
2006-01-17
Wu, David W. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C524S401000, C524S425000, C525S055000, C525S238000, C525S240000
Reexamination Certificate
active
06987148
ABSTRACT:
A thermoplastic polyolefin blend comprising of a base polymer and up to 25% by wt of an ethylene propylene diene monomer (EPDM), the balance if any consisting of a conventional filler and/or a conventional compatibilizer or interfacial agent is disclosed. The blend of the present invention is prepared by extruding a base polymer with ethylene propylene diene monomer (EPDM) at a temperature in the range of from 150 to 230° C. The blends of the invention exhibit very high mechanical properties at moderate concentrations of EPDM and/or filler, and can be made into industrial pallets either by injection molding or by thermoforming.
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Ramasami Bhaskaran
Sastry Pendyala Veera Nageswara
Sodagudi Francis Xavier
Darby & Darby
Hu Henry S.
Indian Petrochemicals Corporation Limited
Wu David W.
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