Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2008-02-12
2011-11-15
Jagannathan, Vasu (Department: 1764)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C523S142000, C523S143000
Reexamination Certificate
active
08058325
ABSTRACT:
A process for producing casting cores or molds from a mold material, based on mold base material and organic or inorganic binder, an additive composed of pore former, icing sugar and/or a similar carbon compound, and dye being admixed to the mold material and/or the binder.
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Bissert Artur
Seiterle Wolfram
Bachman & LaPointe P.C.
Georg Fischer Automobilguss GmbH
Jagannathan Vasu
Pak Hannah
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