Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Reexamination Certificate
2006-05-02
2006-05-02
Lipman, Bernard (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
C521S047000, C521S048000, C524S424000, C525S132000
Reexamination Certificate
active
07037951
ABSTRACT:
The present invention is a process for regenerating a used resin and prevents deterioration in the quality of the resin by adding to the used resin an another resin having given physical properties superior to those of the used resin and then regenerating the resin.
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Lipman Bernard
Sonnenschein Nath & Rosenthal LLP
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