Patent · US Expired

Process for the preparation of alk(en)ylphosphoric ester salts

US6803478B2 · kind B2 · utility

1Cited by

1References

18Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Torsten Henning · Bad Soden, DE
Roman Morschhäuser · Mainz, DE
Matthias Loffler · Niedernhausen, DE

Key dates

Filing date	Dec 18, 2002
Grant date	Oct 12, 2004
Priority date	—
Expiry date	Dec 18, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F9/11
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a process for the preparation of alk(en)ylphosphoric ester salts which comprises reacting the alk(en)ylphosphoric esters in the form of their melts with a base. Advantageously, the alk(en)ylphosphoric esters do not need to be dissolved in a solvent prior to neutralization.

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