Patent · US Expired

Derivatives of 9-fluorenone and the use thereof as herbicide

US4248622A · kind A · utility

0Cited by

2References

3Claims

0Family size

Assignee

Chimac Societe Anonyme · BE

Inventors

Andre J. Goldblatt · Brussels, BE
Andre Gillet · Bron, FR
Luciano Forni · La Louvière, BE

Key dates

Filing date	Feb 5, 1980
Grant date	Feb 3, 1981
Priority date	—
Expiry date	Feb 5, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2603/18
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

This invention relates to new derivatives of 1-amino-fluoren-9-one and to the use thereof, particularly as herbicides. The new derivatives are 1-amino-fluoren-9-ones substituted in position 1 by a dialkylamino radical or a nitrogenous heterocyclic ring and possibly also substituted in at least one other position by a halogen atom, a trihalogenomethyl radical, a trifluoromethylsulfonyl radical and/or a nitro radical.

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