Patent · US Active

Lubricant composition

US11427778B2 · kind B2 · utility

1Cited by

2References

20Claims

0Family size

Assignee

KLUEBER LUBRICATION MUENCHEN SE & CO. KG · DE

Inventors

Stefan Seemeyer · Hilden, DE
Stefan Grundei · Mering, DE
Carla Krutzsch · Taufkirchen, DE
Philipp Altmann · Kirchheim, DE

Key dates

Filing date	Jul 1, 2021
Grant date	Aug 30, 2022
Priority date	—
Expiry date	Jul 1, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2040/04
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A lubricant composition for application onto a surface of drive elements includes: a base oil; and a silasesquioxane. In an embodiment, the silasesquioxane has the chemical formula [RSiO3/2]n with: n=6, 8, 10, 12; where R independently of one another=alkyl (C1-C20), cycloalkyl (C3-C20), alkenyl (C2-C20), cycloalkenyl (C5-C20), alkynyl (C2-C20), cycloalkynyl (C5-C20), aryl (C6-C18) or heteroaryl group, oxy, hydroxy, alkoxy (C4-C10), oxirane polymer (degree of polymerization with 4 to 20 repeat units), carboxy, silyl, alkylsilyl, alkoxysilyl, siloxy, alkylsiloxy, alkoxysiloxy, silylalkyl, alkoxysilylalkyl, alkylsilylalkyl, halogen, epoxy (C2-C20), ester, aryl ether, fluoroalkyl, blocked isocyanate, acrylate, methacrylate, mercapto, nitrile, amine, and/or phosphine group, each substituted or unsubstituted.

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