Patent · US Active

Process for the preparation of polyalkyl (meth)acrylate polymers

US12065526B2 · kind B2 · utility

0Cited by

3References

17Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Katrin Schöller · Bad Soden, DE
Sarah Lippert · Darmstadt, DE
Wolfgang Tschepat · Darmstadt, DE
Fabian Ziegler · Darmstadt, DE

Key dates

Filing date	Apr 28, 2021
Grant date	Aug 20, 2024
Priority date	—
Expiry date	Apr 28, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2030/68
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A novel process can be used for the preparation of polyalkyl (meth)acrylate polymers with improved compositional distribution, which leads to better producibility, solubility, and improved performance of the polymers in lubricant compositions, especially in engine oil formulations.

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