Antiwear lubricant compositions for use in combustion engines
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United States of America Patent
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Mar 26, 2013
Grant Date -
Dec 18, 2008
app pub date -
Mar 13, 2006
filing date -
Mar 21, 2005
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Abstract
The invention relates to an additive composition, which comprises an additive mixture that essentially consists of a) At least one ammonium phosphate ester; b) At least one thiophosphoric acid ester, and c) At least one dithiophosphoric acid derivative; in combination with sulphur containing oil additives; and a process for the reduction of wear in combustion engines, such as spark ignition or Diesel motor engines.
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