Carbon black
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United States of America Patent
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Dec 9, 2003
Grant Date -
Jul 25, 2002
app pub date -
Sep 28, 2001
filing date -
Mar 16, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to carbon blacks having organic groups. The organic groups are connected by one or two carbon atoms of a C--C single bond or double bond that are not a component of an aromatic system, contain at least one activating substituent on at least one carbon atom of the C--C single bond or double bond and contain no cyclic C.sub.3 structure or 2,3-diazabicyclo[2.2.1]hept-2-ene. The invention includes methods of producing these carbon blacks in which black is reacted with organic compounds containing a C--C double bond or triple bond activated by at least one substituent. The carbon blacks can be used as fillers, reinforcing fillers, UV stabilizers, conductance blacks or pigments.
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