Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Reexamination Certificate
2005-03-29
2005-03-29
Wyrozebski, Katarzyna (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
C521S040500
Reexamination Certificate
active
06872754
ABSTRACT:
This invention utilizes two solvents, DMSO and d-limonene, to aid in the processing of cured rubber or hydrocarbon elastomers into crumb, without altering the physical properties of the elastomer. After the rubber has been sufficiently softened it is ground and the elastomers are washed and separated from any other components.
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Miller & Martin PLLC
Wyrozebski Katarzyna
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