P

Inventor

DIETSCHE THOMAS J

US19 patents
⚠️ This page may combine multiple inventors who share the name “DIETSCHE THOMAS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOW CHEMICAL CO

17 patents
US4256894AMar 17, 1981

Preparation of chlorinated pyridines

DOW CHEMICAL CO30 citations91
US4766219AAug 23, 1988

Preparation of 2-cyano-6-chloropyridine compounds

DOW CHEMICAL CO22 citations80
US5106984AApr 21, 1992

2-hydrocarbyl-3,6-dichloropyridines and their preparation

DOW CHEMICAL CO14 citations72
US4227001AOct 7, 1980

Preparation of polychlorinated pyridines from 2,4-dichloro-6-(trichloro methyl)pyridine

DOW CHEMICAL CO10 citations72
US4672125AJun 9, 1987

Chlorination of β-methylpyridine compounds

DOW CHEMICAL CO8 citations65
US4713460ADec 15, 1987

2,3-bis-(poly)(chloromethyl)pyridines

DOW CHEMICAL CO5 citations62
US4968807ANov 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
US4939263AJul 3, 1990

Control of isomer distribution in a chlorination process

DOW CHEMICAL CO4 citations55
US4705859ANov 10, 1987

Polychloropyridine production from polychloro-2,3-lutidines

DOW CHEMICAL CO1 citations51
US4080499AMar 21, 1978

Substituted 7,8-dihydro-6H-(1,2,5)thiadiazolo(3',4'-5,6)pyrazino(2,3-b)(1,4)oxazines

DOW CHEMICAL CO1 citations51
US4029657AJun 14, 1977

6,7-Dichloro-3,4-dihydro-2H-pyrazino(2,3-B)(1,4)oxazines

DOW CHEMICAL CO1 citations51
US4001215AJan 4, 1977

1,2,5,8-tetra hydro-2,4,6,8-tetramethyl-1,5-diazocine-2,8-diol and method of preparation

DOW CHEMICAL CO1 citations51
US5084576AJan 28, 1992

2-hydrocarbyl-3,6-dichloropyridine compounds

DOW CHEMICAL CO0 citations50
US5073636ADec 17, 1991

Preparation of symmetrical tetrachloropyridine from chlorinated beta-(trichloromethyl)pyridines employing a catalyst

DOW CHEMICAL CO1 citations49
US4723019AFeb 2, 1988

Polychloropyridines from polychloropicolines contaminated with hexachlorobenzene

DOW CHEMICAL CO1 citations44

DOWELANCO

2 patents