Patent · US Expired

Preparation of monoclinic metazachlor

US5416219A · kind A · utility

0Cited by

1References

1Claims

0Family size

Assignee

BASF SE

Inventors

Michael Keil · Freinsheim, DE
Bjoern Girgensohn · Mannheim, DE
Gotthard Synnatschke · Ludwigshafen, DE
August Wigger · Waldsee, DE
Hans Ziegler · Mutterstadt, DE
Walter Gueckel · Schifferstadt, DE

Key dates

Filing date	Jan 11, 1994
Grant date	May 16, 1995
Priority date	—
Expiry date	Jan 11, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D249/08
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Monoclinic 2-chloro-(2',6'-dimethyl-N-pyrazol-1-ylmethyl)-acetanilide of the formula ##STR1## which melts at 76.degree. C. Processes for its preparation and herbicides.

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