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
2007-04-17
2007-04-17
Mulcahy, Peter D. (Department: 1713)
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...
C106S473000, C523S351000
Reexamination Certificate
active
10819691
ABSTRACT:
Process of producing unvulcanized rubber useful for producing vulcanized rubber with improved hysteresis, which comprises mixing a composition comprising unvulcanized rubber, carbon black and xanthogen polysulfide at an elevated temperature in a non-productive stage and composition suitable for producing unvulcanized rubber useful for producing vulcanized rubber with improved hysteresis, which comprises unvulcanized rubber, a filler comprising carbon black and xanthogen polysulfide.
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Chibante L. P. Felipe
Hannon Martin J.
Korte James R.
Stieber Joseph F.
Welsh Frank E.
Cook Alex McFarron Manzo Cummings & Mehler, Ltd.
Mulcahy Peter D.
Uniroyal Chemical Company, Inc.
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