Patent · US Expired

Use of acetal-containing mixtures

US5830830A · kind A · utility

3Cited by

8References

19Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Martin Hille · Liederbach, DE
Heinz Wittkus · Frankfurt am Main, DE
Frank Weinelt · Altötting, DE

Key dates

Filing date	Sep 13, 1995
Grant date	Nov 3, 1998
Priority date	—
Expiry date	Sep 13, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K8/36
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to mixtures comprising acetals and oleophilic alcohols and/or oleophilic esters which are suitable for the preparation of inverted emulsion drilling muds and emulsion drilling muds. They completely or partly replace here the base oils, diesel oil, purified diesel oil, white oil, olefins and alkylbenzenes known to date. The invention furthermore relates to the use of the inverted emulsion drilling mud and emulsion drilling mud as claimed in claim 10.

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