Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Reexamination Certificate
2007-11-06
2011-10-11
Mayes, Melvin (Department: 1732)
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
C423S499100, C423S447100, C423S232000, C423S449100
Reexamination Certificate
active
08034316
ABSTRACT:
Carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the carbon black of the present invention are further described, as well as methods of making carbon black having a low PAH concentration.
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Green Martin C.
List Steven J.
Prakash Anand
Sifleet William L.
Yurovskaya Irina S.
Cabot Corporation
Gregorio Guinever
Mayes Melvin
LandOfFree
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