Fuel oil additives and compositions
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United States of America Patent
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Oct 7, 1997
Grant Date -
N/A
app pub date -
Mar 20, 1996
filing date -
Jan 31, 1990
priority date (Note) -
Expired
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Abstract
Wax crystal modifiers for fuel oils are derived from ethylene-alpha olefin polymers with terminal unsaturation, preferably obtained by polymerization in the presence of a metallocene catalyst, optionally together with other cold flow improvers.
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