Seal swell additive
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Jan 16, 2013
filing date -
Jan 17, 2012
priority date (Note) -
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Abstract
A seal swell agent for a lubricating fluid is described. The invention relates to a seal swell agent for use in lubricating oils, such as engine oils, turbine oils, automatic and manual transmission, or gear, fluids, drivetrain and gear oils and hydraulic fluids. The seal swell agent comprises a diester of sorbitol or a derivative thereof and at least one carboxylic acid. The invention extends to the use of a diester of sorbitol or a derivative thereof and at least one carboxylic acid as a seal swell agent, and a method of maintaining seal integrity.
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