C10M133/30

Lubricant composition, method of preparing the same, and firearm cleaner including the same
09719042 · 2017-08-01 · ·

A lubricant composition including: tungsten disulfide having a particle size of 4 to 160 nm; an alkali metal borate; a borate ester; and a base oil.

ASHLESS OR REDUCED ASH QUATERNARY DETERGENTS

A composition of an oil-soluble ionic detergent that does not contribute metal ions to the composition, and which comprises a quaternary non-metallic pnictogen cation and an organic anion having at least one hydrocarbyl group of sufficient length to impart oil solubility to the detergent, the detergent having a total base number (TBN) to total acid number (TAN) ratio of at least 2:1 imparts ash-free basicity to a lubricant composition.