Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2007-04-04
2008-10-28
Lipman, Bernard (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C523S351000, C524S583000, C524S584000, C525S190000
Reexamination Certificate
active
07442742
ABSTRACT:
A masterbatch composition is provided that includes a colorant, a thermoplastic carrier, a metallocene polymer processing aid, and optionally an additive. Also provided is a method for making a masterbatch composition and a method for making a colorized polymer.
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Harris Ronald M.
Martz Rick D.
Powers Robert R.
Schwartz Andrew J.
Smink Jeffrey S.
Carolina Color Corporation
Lipman Bernard
McDonald Hopkins LLC
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