Patent · US Expired

Chemical intermediates and a process for their preparation

US4745219A · kind A · utility

0Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 8, 1986
Grant dateMay 17, 1988
Priority date
Expiry dateAug 8, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C201/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention pertains to chemical intermediates for a new class of 2-haloacetanilide herbicides and a process for preparation of these intermediates. The process generally involves nitration of substituted benzotrifluoride compounds.

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