Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Polychloropyridines from polychloropicolines contaminated with hexachlorobenzene

Polychloropyridines from polychloropicolines contaminated with hexachlorobenzene

US Patent 4723019 · Granted Feb 2, 1988

Estimated economic value: $8,109,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Preparation of fluorohalophenols and N-acylfluorohaloanilines1992
Preparation of fluorohalophenols and N-acyfluorohaloanilines1992
2-hydrocarbyl-3,6-dichloropyridines and their preparation1992
2-hydrocarbyl-3,6-dichloropyridine compounds1992
Preparation of symmetrical tetrachloropyridine from chlorinated beta-(trichlorom1991
Removal of hydroxide ion from alkoxide ion solutions1991
Preparation of symmetrical tetrachloropyridine from chlorinated beta(trichlorome1990
Control of isomer distribution in a chlorination process1990
Preparation of 2-cyano-6-chloropyridine compounds1988
2,3-bis-(poly)(chloromethyl)pyridines1987
Polychloropyridine production from polychloro-2,3-lutidines1987
Method of selectively chlorinating 2-chloro-5-(trichloromethyl) pyridine in the 1987