Patent · US Expired

Use of 4H-pyrido[2,3-d][1,3]oxazin-4-one derivatives for controlling undesirable plant growth

US4726837A · kind A · utility

4Cited by

6References

4Claims

0Family size

Assignee

BASF SE

Inventors

Gerhard Hamprecht · Weinheim, DE
Juergen Varwig · Heidelberg, DE
Bruno Wuerzer · Otterstadt, DE
Norbert Meyer · Langenburg, DE

Key dates

Filing date	Jul 30, 1985
Grant date	Feb 23, 1988
Priority date	—
Expiry date	Jul 30, 2005

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01N47/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

4H-Pyrido[2,3-d][1,3]oxazin-4-one derivatives of the formula ##STR1## where Y is oxygen or sulfur and R is phenyl which is unsubstituted or substituted by halogen, haloalkyl, haloalkoxy, haloalkylmercapto, haloalkylsulfinyl or haloalkylsulfonyl, are used for controlling undesirable plant growth.

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