David G. Stewart
27Patents
10h-index
16Co-inventors
72Inventor score
Filing activity: May 26, 1978 → Sep 23, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4262154A | Process for the production of ethanol and/or acetaldehyde by reacting methanol with synthesis gas | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4175115A | Process for the production of synthesis gas by the catalyzed decomposition of methanol | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4242233A | Method for preparing aluminosilicates, their use as catalyst supports and catalysts, and method for producing catalysts therefrom | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4492773A | Process for the production of C.sub.1 to C.sub.4 oxygenated hydrocarbons by the catalytic conversion of synthesis gas | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4452907A | Process for the production of crystalline aluminosilicates and their use as catalysts and catalyst supports | Chemistry; Metallurgy | 17 | Expired |
| US4581471A | Process for the production of unsaturated carboxylic acids and/or esters | Chemistry; Metallurgy | 16 | Expired |
| US4452908A | Process for the production of catalysts based on crystalline aluminosilicates | Chemistry; Metallurgy | 14 | Expired |
| US4205190A | Process for the hydrocarbonylation of methanol to ethanol in the presence of added oxygen-containing organic compounds | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4878729A | Optical switch | Physics | 14 | Expired |
| US4376104A | Method for preparing crystalline aluminosilicates | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4576968A | Catalyst composition and its use in a process for the production of alcohols from synthesis gas | Chemistry; Metallurgy | 10 | Expired |
| US4567160A | Catalyst composition for the production of alcohols from synthesis gas | Chemistry; Metallurgy | 10 | Expired |
| US4354049A | Process for the production of aromatic hydrocarbons | Chemistry; Metallurgy | 10 | Expired |
| US4585799A | Catalyst composition, method for its production and its use in the production of hydrocarbons from synthesis gas | Chemistry; Metallurgy | 9 | Expired |
| US4542117A | Catalyst composition, method for its production | Chemistry; Metallurgy | 9 | Expired |
| US4407728A | Method for producing crystalline aluminosilicates and their use as catalysts and catalyst supports | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4492772A | Process for the production of oxygenated hydrocarbons by the catalytic conversion of synthesis gas | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4327190A | Process for the production of C.sub.1 to C.sub.4 oxygenated hydrocarbons | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4346021A | Method for producing aluminosilicates, their use as catalysts and supports and method for producing catalysts therefrom | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4299732A | Process for the production of amorphous aluminosilicates and their use as catalysts | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4497969A | Process for the production of catalysts based on crystalline aluminosilicates and the use of catalyst so produced | Chemistry; Metallurgy | 6 | Expired |
| US4478806A | Crystalline aluminosilicates | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4323475A | Process for the production of amorphous aluminosilicates and their use as catalysts | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4357480A | Process for the production of ethanol by the liquid phase hydrocarbonylation of methanol | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4319056A | Process for the hydrocarbonylation of methanol to ethanol in the presence of an inert liquid | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.