Lubricants having improved oxidation and deposit control performance
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 25, 2025
Grant Date -
Nov 2, 2023
app pub date -
May 17, 2021
filing date -
May 17, 2021
priority date (Note) -
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Abstract
A method for producing a deposit resistant fluid includes combining a base stock and one or more additives to form a blended fluid configured to resist forming deposits in an oxidizing environment. The base stock has a viscosity index of at least 80, and either a kinematic viscosity at 40° C. of at least 320 cSt or a kinematic viscosity at 100° C. of at least 14 cSt. The base stock includes greater than or equal to about 90 wt % saturates, less than or equal to about 10 wt % aromatics, and a sum of terminal/pendant propyl groups and terminal/pendant ethyl groups of at least 1.7 per 100 carbon atoms.
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