Patent · US Active

Hydrogenated polybutadienes useful as lubricant additives

US10787623B2 · kind B2 · utility

0Cited by

8References

13Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Sofia Sirak · Frankfurt, DE
Holger Pletsch · Essen, DE
Marius Kemper · Reken, DE

Key dates

Filing date	Feb 27, 2018
Grant date	Sep 29, 2020
Priority date	—
Expiry date	Apr 21, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2070/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to low molecular weight hydrogenated polybutadienes and to a method for the preparation of these polymers. The invention is also directed to lubricant compositions comprising these polymers and uses thereof.

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