Patent · US Expired

Urea derivatives and their use for controlling undesirable plant growth

US4500340A · kind A · utility

16Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1982
Grant dateFeb 19, 1985
Priority date
Expiry dateNov 22, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D285/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Urea derivatives of the formula ##STR1## where R, X, Z, Het and n have the meanings given in the description, are used for controlling undesirable plant growth.

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