Additive for fuel oiliness
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United States of America Patent
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Jan 28, 2003
Grant Date -
N/A
app pub date -
Oct 28, 1999
filing date -
Dec 24, 1997
priority date (Note) -
Expired
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Abstract
The invention concerns an additive for motive fuel additive, in particular with low sulphur content not more than 500 ppm, consisting for the most part of a combination comprising 5 to 95 wt. % of a glycerol monoester R.sub.1 --C(O)--O--CH.sub.2 --CHO--CH.sub.2 OH or R.sub.1 --C(O)--O--CH(CH.sub.2 OH).sub.2, R.sub.1 being an alkyl chain containing 8 to 60 carbon atoms, or a monocyclic or polycyclic group comprising 8 to 60 carbon atoms, and from 5 to 95 wt % of a compound of formula R.sub.2 --C(O)--X, R.sub.2 being an alkyl chain containing 8 to 24 carbon atoms, or a monocyclic or polycyclic group comprising 8 to 60 carbon atoms, and X being selected among (i) the groups OR.sub.0, R.sub.0 being a hydrocarbon radical comprising 1 to 8 carbon atoms, optionally substituted by one or several esters; and (ii) the groups derived from primary or secondary amines and alkanolamines with aliphatic hydrocarbon chain, comprising 1 to 18 carbon atoms.
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