Patent · US Active

Additives for oilfield and industrial applications

US10227545B2 · kind B2 · utility

2Cited by

35References

20Claims

0Family size

Assignee

Emery Oleochemicals GmbH · DE

Inventors

Diana Maker · Mettmann, DE
Heinz-Joachim Muller · Burgkirchen an der Alz, DE

Key dates

Filing date	Jan 7, 2015
Grant date	Mar 12, 2019
Priority date	—
Expiry date	Jan 7, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2030/24
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to new ether carboxylic acids as high temperature stable rheology modifier, viscosifier, lubricant or emulsifier additives in oilfield and industrial applications. In particular, the invention relates to an ether carboxylic acid or a derivative thereof obtainable by reacting a branched polyol alkoxylate with a halogen carboxylic acid or a halogen carboxylic acid derivative. Further aspects of the invention relate to a lubricant composition comprising an ether carboxylic acid of the invention and the use of said ether carboxylic acid.

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