Patent · US Expired

Chlorination process

US4205175A · kind A · utility

13Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1979
Grant dateMay 27, 1980
Priority date
Expiry dateFeb 7, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D213/61
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Partially-chlorinated derivatives of 3-methylpyridine, containing a single chlorine atom as substituent in the pyridine ring and either two or three chlorine atoms as substituents in the methyl group, are prepared by vapor-phase chlorination of 3-methylpyridine.

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