Additives for transmission oils
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United States of America Patent
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Sep 1, 2015
Grant Date -
May 24, 2012
app pub date -
May 20, 2010
filing date -
May 20, 2009
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Abstract
The subject of the disclosure concerns microcapsules including a core containing one or more alkali metal borates, optionally hydrated, dispersed in one or more lubricating base oils of mineral, synthetic or natural origin, and a polymer shell. Another subject of the disclosure is a lubricating oil including microcapsules. A further subject of the disclosure is the use of microcapsules according to the disclosure as anti-wear and/or extreme pressure additive for lubricant compositions. A further subject of the disclosure is a method for preparing microcapsules by interface polymerization.
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