Inventor
George E. Hartwell
Inventor
Midland, MI, US
Overview
Patents· 38 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry26%
C07DHeterocyclic compounds26%
Y02PClimate change mitigation technologies in the production or processing of goods16%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%
C09DCoating compositions, e.g. paints, varnishes or lacquers1%
PatentTitleYear
7,122,491'Method of increasing the lifetime of a hydro-oxidation catalyst'20067,018,948'Activation and regeneration of a hydro-oxidation catalyst'20066,984,607'Method of preparing a catalyst containing gold and titanium'20066,821,923'Method of preparing a catalyst containing gold and titanium'20046,670,491'Process for the direct oxidation of olefins to olefin oxides'20036,646,142'Process for the direct oxidation of olefins to olefin oxides'20036,562,986'Process for the direct oxidation of olefins to olefin oxides'20036,524,991'Process for the direct oxidation of olefins to olefin oxides'20036,362,349'Process for the direct oxidation of olefins to olefin oxides'20026,323,351'Process for the direct oxidation of olefins to olefin oxides'20016,309,998'Process for the direct oxidation of olefins to olefin oxides'20016,255,499'Process for the hydro-oxidation of olefins to olefin oxides using oxidized gold catalyst'20016,031,116'Process for the direct oxidation of olefins to olefin oxides'20005,965,754'Process for the direct oxidation of olefins to olefin oxides'19995,554,793'Catalytic reforming of alkyleneamines'19965,410,087'Catalytic reforming of alkyleneamines'19955,387,708'Production of dialkyl carbonates using copper catalysts'19955,288,909'Catalytic reforming of alkyleneamines'19945,256,786'Catalytic reforming of cyclic alkyleneamines'19935,210,307'Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines'19935,166,442'Catalytic reforming of alkyleneamines'19925,124,483'Ortho-alkylation of aromatic amines'19925,118,851'Process of preparing mixtures of polyalkylenepolyamines and alkanolpolyamines'19925,118,850'Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines'19925,073,635'Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts'19915,030,740'Process for preparing linearly-extended polyalkylenepolyamines'19915,011,999'Process of preparing non-cyclic polyalkylenepolyamines employing group VB metal catalysts'19914,996,363'Catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines'19914,983,735'Preparation of alcohol-extended and amine-extended piperazines'19914,973,569'Preparation of group VB metal phosphate catalysts therefor'19904,956,017'Non-volatile 1,1,1-trichloroethane inhibitors'19904,927,931'Preparation of alkyl-extended, alcohol-extended or amine-extended piperazines'19904,922,024'Amination process employing group vib metal catalysts'19904,435,605'Process for preparation of 2-phenylethyl alcohols from aromatic aldehydes'19844,262,147'Hydroformylation of dicyclopentadiene to its dimethanolic derivatives'19814,197,414'Amine-resin supported rhodium-cobalt bimetallic clusters as novel hydroformylation catalysts'19804,144,191'Amine-resin supported rhodium-cobalt carbonyl bimetallic clusters as novel hydroformylation catalysts'19794,080,338'Process for preparing bispicolyamine'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2002Patents assigned to DOW CHEMICAL CO (29)· patent assignee history
1978–1980Based in Framingham, MA, US· patent location history
1981–2006Based in Midland, MI, US· patent location history
1992Patents assigned to BOWMAN ROBERT G (1)· patent assignee history
1992Patents assigned to HARTWELL GEORGE E (1)· patent assignee history
1992Patents assigned to MOLZAHN DAVID C (1)· patent assignee history
2003–2006Patents assigned to DOW GLOBAL TECHNOLOGIES INC (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 29 | 1978–2002 |
| DOW GLOBAL TECHNOLOGIES INC | 8 | 2003–2006 |
| BOWMAN ROBERT G | 1 | 1992 |
| HARTWELL GEORGE Eself | 1 | 1992 |
| MOLZAHN DAVID C | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 35 | 1981–2006 |
| Framingham, Massachusetts, US | 3 | 1978–1980 |