Polysiloxane additives for lubricants and fuels
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United States of America Patent
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Jul 15, 2008
Grant Date -
Aug 11, 2005
app pub date -
Jul 16, 2004
filing date -
Jul 22, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composition is disclosed that comprises: (A) a lubricant or a hydrocarbon fuel, and (B) at least one polysiloxane of the formula: M.sub.wD'.sub.xD.sub.yM'.sub.z where: w is 2-z; x is 0 to 50; y is 0 to 500; z is 0 to 2; M=Si(CH.sub.3).sub.3--O--; M'=R.sup.1--Si(CH.sub.3).sub.2O--; D=--Si(CH.sub.3).sub.2O--; D'=--Si(CH.sub.3)(R.sup.1)O--; and R.sup.1 is an aliphatic or aromatic moiety linked to at least one silicon atom from siloxane and comprising at least one heteroatom.
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