Patent · US Expired

Process for the preparation of N-phosphonomethylglycine

US6660878B2 · kind B2 · utility

2Cited by

1References

4Claims

0Family size

Assignee

BASF SE

Inventors

Christian Wulff · Mannheim, DE
Stefan Orsten · Ellerstadt, DE
Alfred Oftring · Bad Dürkheim, DE

Key dates

Filing date	Feb 20, 2003
Grant date	Dec 9, 2003
Priority date	—
Expiry date	Feb 20, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F9/3813
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of N-phosphonomethylglycine by reacting a hexahydrotriazine derivative with a triacyl phosphite. The process gives N-phosphonomethylglycine in high yield and in a simple and inexpensive manner.

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