Patent · US Active

Lubricant composition

US11248188B2 · kind B2 · utility

0Cited by

4References

19Claims

0Family size

Assignee

KLUEBER LUBRICATION MUENCHEN SE & CO. KG · DE

Inventors

Karl Egersdoerfer · Munich, DE
Thomas Kilthau · Geretsried, DE
Daniel Chall · Stadtbergen, DE
Stefan Seemeyer · Hilden, DE

Key dates

Filing date	Aug 9, 2019
Grant date	Feb 15, 2022
Priority date	—
Expiry date	Aug 9, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2040/06
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A lubricant composition is provided which comprises a base oil and hydroxytyrosol and/or esters thereof. Also provided is a lubricant composition in which the esters have a solubility in the base oil at 25° C. of at least 0.1 g/l. Further provided is a lubricant composition in which the esters are at least partly carboxylic acid esters comprising esters of hydroxytyrosol and C2-10 carboxylic acids.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.