Patent · US Expired

Tris(oxalato)phosphates, method for their preparation and their use

US6693212B1 · kind B1 · utility

9Cited by

1References

20Claims

0Family size

Assignee

Chematall GmbH · DE

Inventors

Ulrich Wietelmann · Friedrichsdorf, DE
Klaus Schade · Wiesbaden, DE
Uwe Lischka · Frankfurt am Main, DE

Key dates

Filing date	May 23, 2002
Grant date	Feb 17, 2004
Priority date	—
Expiry date	May 23, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to tris-(oxalato)phosphates of the general formula M[P(C2O4)3] wherein M=H, a metal or N(R1R2R3R4), where R1, R2, R3, R4, are independently H or an alkyl group comprising 1 to 8 C atoms. The invention also relates to a method for preparing such compounds as well as to their use.

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