Inventor
HUMPHREYS PAULA L
US5 patents
Patents
5 patentsUS4968807ANov 6, 1990
Preparation of symmetrical tetrachloropyridine from chlorinated beta(trichloromethyl) pyridines employing a catalyst
DOW CHEMICAL CO2 citations60
US4681945AJul 21, 1987
Preparation of symmetrical tetrachloropyridine from chlorinated β-(trichloromethyl) pyridines employing a catalyst
DOW CHEMICAL CO5 citations60
US4701532AOct 20, 1987
Method of selectively chlorinating 2-chloro-5-(trichloromethyl) pyridine in the 3-position
DOW CHEMICAL CO4 citations59
US5073636ADec 17, 1991
Preparation of symmetrical tetrachloropyridine from chlorinated beta-(trichloromethyl)pyridines employing a catalyst
DOW CHEMICAL CO1 citations49
US4532111AJul 30, 1985
Recovery of catalysts as W, Mo or Ru oxychlorides in liquid phase chlorination of pyiridine compounds
DOW CHEMICAL CO0 citations42