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US 12,312,554 B2Granted
Additive mixture
AssigneeLANXESS Deutschland GmbH
InventorAnnette Loos
Life of this patent
Estimating the term…
Abstract
The present invention relates to new additive mixtures, processes for the production thereof and the use thereof for turbine oils.
Claims11
An additive mixture comprising
- (a) one or more alkyl-substituted N-α-naphthyl-N-phenylamines of formula (I)
- where R1=C10-C14 alkyl,
- (b) one or more alkyl-substituted diphenylamines of formula (II)
- where R2 to R5=independently of one another H, C4-C9 alkyl, with the proviso that at least one of the radicals R2 to R5 is a C8 or C9 alkyl radical,
- (c) at least one sulfur-containing compound of formula (III)
- where R=C8-C12 alkyl,
- (d) at least one benzotriazole of formula (IV)
- oil (e), and
- at least one corrosion inhibitor, wherein the at least one corrosion inhibitor is a carboxamide (D) of formula (V)
- where n=4-10.
7 more elements
Dependencies are inferred from the claim text.