Patent · US Expired

Herbicides for weed control in rice

US4981506A · kind A · utility

3Cited by
3References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1989
Grant dateJan 1, 1991
Priority date
Expiry dateAug 17, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01N47/36
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to certain herbicidal sulfonamides, intermediates for their preparation, agriculturally suitable compositions of the sulfonamides and a method of use of the sulfonamides as a selective preemergent or postemergent herbicide or as a plant growth regulant.

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