	US 12,247,179 B2
	Lubricating compositions comprising a non-silicone anti-foaming agent
Brian R. Collett, Columbus, OH (US); Angela Theys, Kansas City, MO (US); Michelle Docter, Columbus, OH (US); Joseph Sanders, Powell, OH (US); and Kenneth J. Heater, Delaware, OH (US)
Assigned to METSS Corp., Westerville, OH (US)
Filed by METSS Corp., Westerville, OH (US)
Filed on Dec. 14, 2022, as Appl. No. 18/065,878.
Prior Publication US 2024/0199973 A1, Jun. 20, 2024
Int. Cl. C10M 145/14 (2006.01); C10M 107/02 (2006.01); C10M 129/76 (2006.01); C10M 133/12 (2006.01); C10M 133/42 (2006.01); C10M 137/04 (2006.01); C10M 141/10 (2006.01); C10M 161/00 (2006.01); C10M 169/04 (2006.01); C10N 30/00 (2006.01); C10N 30/02 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01); C10N 30/14 (2006.01); C10N 30/18 (2006.01); C10N 30/20 (2006.01)

CPC C10M 169/044 (2013.01) [C10M 107/02 (2013.01); C10M 129/76 (2013.01); C10M 133/12 (2013.01); C10M 133/42 (2013.01); C10M 137/04 (2013.01); C10M 141/10 (2013.01); C10M 145/14 (2013.01); C10M 161/00 (2013.01); C10M 2205/0206 (2013.01); C10M 2207/283 (2013.01); C10M 2209/084 (2013.01); C10M 2215/26 (2013.01); C10M 2215/30 (2013.01); C10M 2223/041 (2013.01); C10N 2030/02 (2013.01); C10N 2030/06 (2013.01); C10N 2030/10 (2013.01); C10N 2030/12 (2013.01); C10N 2030/14 (2013.01); C10N 2030/18 (2013.01); C10N 2030/20 (2013.01); C10N 2030/40 (2020.05)]

24 Claims

1. A lubricating composition, comprising:

(A) a base oil component, comprising: a polyalphaolefin (“PAO”), a mineral oil, or both, and comprising from about 95% to about 99.5% w/w of the lubricating composition; and

(B) an additive component, consisting essentially of:

(1) an anti-wear agent selected from the group consisting of: a C₃-C₆alkylated triarylphosphate, a C₄-C₁₈alkyl phosphate, a diarylether phosphate ester, a diarylether phosphate diester diphosphate, or a mixture thereof,

(2) an aryl amine antioxidant agent selected from the group consisting of a phenyl alpha naphthyl amine, alkylated phenyl alpha naphthyl amine, or a mixture thereof,

(3) a metal deactivating agent comprising a tolyl triazole derivative,

(4) an anti-rust agent selected from the group consisting of an alkyl succinic acid ester, an alkenyl succinic acid ester, or a mixture thereof, and, optionally,

(5) a soluble red dye, and,

(6) a non-silicone anti-foaming agent comprising an acrylate and/or a polyacrylate, wherein the acrylate and/or polyacrylate consists of one or more non-fluorinated acrylate and/or one or more non-fluorinated polyacrylate,

wherein, the additive component comprises from about 0.5% to about 5% w/w of the lubricating composition.