P

Inventor

ORVIK JON A

US22 patents
⚠️ This page may combine multiple inventors who share the name “ORVIK JON A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOW CHEMICAL CO

14 patents
US4766219AAug 23, 1988

Preparation of 2-cyano-6-chloropyridine compounds

DOW CHEMICAL CO22 citations80
US4499276AFeb 12, 1985

Reduction of trichloromethylpyridines to dichloromethylpyridines

DOW CHEMICAL CO11 citations73
US4118373AOct 3, 1978

Preparation of urethane elastomers from epoxy resin, polyols and polyisocyanates using a catalyst composition of an organometal salt with either nitrogen or phosphorus compounds

DOW CHEMICAL CO9 citations73
US5106984AApr 21, 1992

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

DOW CHEMICAL CO14 citations72
US4499277AFeb 12, 1985

Reduction of trichloromethylpyridines to dichloromethylpyridines

DOW CHEMICAL CO7 citations65
US4739070AApr 19, 1988

Preparation of substituted (dichloromethyl)pyridines

DOW CHEMICAL CO3 citations62
US4713460ADec 15, 1987

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

DOW CHEMICAL CO5 citations62
US4594422AJun 10, 1986

Selective halogenation of 6-hydroxy picoline derivatives

DOW CHEMICAL CO4 citations62
US4327220AApr 27, 1982

Process for reducing picoline derivatives using copper catalyst

DOW CHEMICAL CO6 citations62
US4275212AJun 23, 1981

Method of preparing pyridinyloxyphenols and derivatives

DOW CHEMICAL CO6 citations62
US4257899AMar 24, 1981

Method for removing chloropicrin from an aqueous medium

DOW CHEMICAL CO4 citations62
US4140847AFeb 20, 1979

Polymers of oxetane-spiro-cyclic polyethers

DOW CHEMICAL CO5 citations61
US4705859ANov 10, 1987

Polychloropyridine production from polychloro-2,3-lutidines

DOW CHEMICAL CO1 citations51
US5084576AJan 28, 1992

2-hydrocarbyl-3,6-dichloropyridine compounds

DOW CHEMICAL CO0 citations50

DOWELANCO

8 patents