Inventor
HARTWELL GEORGE E
US38 patents
⚠️ This page may combine multiple inventors who share the name “HARTWELL GEORGE E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOW CHEMICAL CO
29 patentsUS6031116AFeb 29, 2000
Process for the direct oxidation of olefins to olefin oxides
DOW CHEMICAL CO41 citations95
US5965754AOct 12, 1999
Process for the direct oxidation of olefins to olefin oxides
DOW CHEMICAL CO45 citations95
US6362349B1Mar 26, 2002
Process for the direct oxidation of olefins to olefin oxides
DOW CHEMICAL CO47 citations92
US6323351B1Nov 27, 2001
Process for the direct oxidation of olefins to olefin oxides
DOW CHEMICAL CO20 citations92
US6309998B1Oct 30, 2001
Process for the direct oxidation of olefins to olefin oxides
DOW CHEMICAL CO21 citations92
US6255499B1Jul 3, 2001
Process for the hydro-oxidation of olefins to olefin oxides using oxidized gold catalyst
DOW CHEMICAL CO24 citations92
US5554793ASep 10, 1996
Catalytic reforming of alkyleneamines
DOW CHEMICAL CO25 citations92
US5288909AFeb 22, 1994
Catalytic reforming of alkyleneamines
DOW CHEMICAL CO20 citations92
US5256786AOct 26, 1993
Catalytic reforming of cyclic alkyleneamines
DOW CHEMICAL CO35 citations92
US5166442ANov 24, 1992
Catalytic reforming of alkyleneamines
DOW CHEMICAL CO22 citations92
US5073635ADec 17, 1991
Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
DOW CHEMICAL CO28 citations92
US5030740AJul 9, 1991
Process for preparing linearly-extended polyalkylenepolyamines
DOW CHEMICAL CO45 citations92
US4983735AJan 8, 1991
Preparation of alcohol-extended and amine-extended piperazines
DOW CHEMICAL CO29 citations92
US4927931AMay 22, 1990
Preparation of alkyl-extended, alcohol-extended or amine-extended piperazines
DOW CHEMICAL CO43 citations92
US5387708AFeb 7, 1995
Production of dialkyl carbonates using copper catalysts
DOW CHEMICAL CO22 citations91
US4922024AMay 1, 1990
Amination process employing group vib metal catalysts
DOW CHEMICAL CO41 citations91
US5410087AApr 25, 1995
Catalytic reforming of alkyleneamines
DOW CHEMICAL CO19 citations82
US4262147AApr 14, 1981
Hydroformylation of dicyclopentadiene to its dimethanolic derivatives
DOW CHEMICAL CO19 citations82
US4144191AMar 13, 1979
Amine-resin supported rhodium-cobalt carbonyl bimetallic clusters as novel hydroformylation catalysts
DOW CHEMICAL CO23 citations82
US4996363AFeb 26, 1991
Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines
DOW CHEMICAL CO9 citations74
US4973569ANov 27, 1990
Preparation of group VB metal phosphate catalysts therefor
DOW CHEMICAL CO17 citations74
US4197414AApr 8, 1980
Amine-resin supported rhodium-cobalt bimetallic clusters as novel hydroformylation catalysts
DOW CHEMICAL CO7 citations74
US5011999AApr 30, 1991
Process of preparing non-cyclic polyalkylenepolyamines employing group VB metal catalysts
DOW CHEMICAL CO12 citations70
US5210307AMay 11, 1993
Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines
DOW CHEMICAL CO3 citations63
US5118850AJun 2, 1992
Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines
DOW CHEMICAL CO4 citations63
US4080338AMar 21, 1978
Process for preparing bispicolyamine
DOW CHEMICAL CO2 citations63
US5124483AJun 23, 1992
Ortho-alkylation of aromatic amines
DOW CHEMICAL CO4 citations59
US4435605AMar 6, 1984
Process for preparation of 2-phenylethyl alcohols from aromatic aldehydes
DOW CHEMICAL CO6 citations59
US4956017ASep 11, 1990
Non-volatile 1,1,1-trichloroethane inhibitors
DOW CHEMICAL CO4 citations54
DOW GLOBAL TECHNOLOGIES INC
8 patentsUS6821923B1Nov 23, 2004
Method of preparing a catalyst containing gold and titanium
DOW GLOBAL TECHNOLOGIES INC19 citations92
US6646142B1Nov 11, 2003
Process for the direct oxidation of olefins to olefin oxides
DOW GLOBAL TECHNOLOGIES INC30 citations92
US6524991B2Feb 25, 2003
Process for the direct oxidation of olefins to olefin oxides
DOW GLOBAL TECHNOLOGIES INC19 citations92
US6984607B2Jan 10, 2006
Method of preparing a catalyst containing gold and titanium
DOW GLOBAL TECHNOLOGIES INC6 citations73
US7122491B2Oct 17, 2006
Method of increasing the lifetime of a hydro-oxidation catalyst
DOW GLOBAL TECHNOLOGIES INC4 citations62
US6670491B2Dec 30, 2003
Process for the direct oxidation of olefins to olefin oxides
DOW GLOBAL TECHNOLOGIES INC3 citations62
US6562986B2May 13, 2003
Process for the direct oxidation of olefins to olefin oxides
DOW GLOBAL TECHNOLOGIES INC3 citations62
US7018948B2Mar 28, 2006
Activation and regeneration of a hydro-oxidation catalyst
DOW GLOBAL TECHNOLOGIES INC3 citations60