Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate
2009-02-27
2011-10-25
Boykin, Terressa (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
C528S271000, C528S274000
Reexamination Certificate
active
08044169
ABSTRACT:
A dryer system configured for use in a polyester polymer production process. In one embodiment, the dryer system can be utilized in a non-solid-state polymer production process to dry the polymer particles prior to crystallization.
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DeBruin Bruce Roger
Grills Aaron
Hall Duane Alan
Maddox, II Tommy Ray
Shuppert Jeremy R
Boykin Terressa
Grupo Petrotemex, S.A. DE C.V.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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