Lawrence L. Murrell
41Patents
17h-index
45Co-inventors
81Inventor score
Filing activity: Jun 3, 1975 → Feb 25, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5935889A | Catalyst and method of preparation | Performing Operations; Transporting | 65 | Expired |
| US6683019B2 | Catalyst for the metathesis of olefin(s) | Chemistry; Metallurgy | 63 | Expired |
| US4083803A | Anchored silylhydrocarbyl phosphine transition metal complex catalysts and their method of preparation | Chemistry; Metallurgy | 52 | Expired |
| US4233139A | Acid catalyzed hydrocarbon conversion processes utilizing a catalyst comprising a Group IVB, VB or VIB metal oxide on an inorganic refractory oxide support | Chemistry; Metallurgy | 42 | Expired |
| US6004527A | Method for making molecular sieves and novel molecular sieve compositions | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4708945A | Catalysts comprising silica supported on a boehmite-like surface, their preparation and use | Chemistry; Metallurgy | 37 | Expired |
| US4073750A | Method for preparing a highly dispersed supported nickel catalyst | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4269737A | Method for preparing a group IVB, VB or VIB metal oxide on inorganic refractory oxide support catalyst and the product prepared by said method | Performing Operations; Transporting | 32 | Expired |
| US6231792A | Production of composite structures | Chemistry; Metallurgy | 28 | Expired |
| US6946107B2 | Conversion of nitrogen oxides in the presence of a catalyst supported on a mesh-like structure | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4149998A | Supported metal interaction catalysts | Performing Operations; Transporting | 26 | Expired |
| US4142962A | Hydrogenation and hydrocracking with highly dispersed supported nickel catalysts | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6534022B1 | Conversion of nitrogen oxides in the presence of a catalyst supported on a mesh-like structure | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4939113A | Hydrogen sulfide suppressing catalyst system using an oxide of copper, manganese, nickel or iron | Emerging Cross-Sectional Technologies | 21 | Expired |
| US3990998A | High surface area ruthenium bonding supports on monolithic ceramics | Performing Operations; Transporting | 20 | Expired |
| US4160745A | Method of preparing highly active nickel catalysts and catalysts prepared by said method | Chemistry; Metallurgy | 19 | Expired |
| US4522928A | Removal of metal comtaminants from catalysts using buffered oxalic acid | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4419222A | Hydrocarbon conversion processes using improved transition metal oxide catalysts | Chemistry; Metallurgy | 17 | Expired |
| US4778779A | Catalysts comprising silica supported on alumina, their preparation and use | Performing Operations; Transporting | 16 | Expired |
| US4831007A | Preparation and use of catalysts comprising a mixture of tungsten oxide and silica supported on a boehmite-like surface | Performing Operations; Transporting | 13 | Expired |
| US3980589A | Method for preparing a catalyst comprising ruthenium supported on a group IIA oxide | Performing Operations; Transporting | 13 | Expired |
| US4692428A | Preparation and use of catalysts comprising mixtures of tungsten oxide and silica on alumina | Chemistry; Metallurgy | 12 | Expired |
| US6809055B2 | Zeolites and molecular sieves and the use thereof | Chemistry; Metallurgy | 11 | Expired |
| US4134906A | Silylhydrocarbyl phosphine transition metal complexes | Chemistry; Metallurgy | 10 | Expired |
| US6667017B2 | Process for removing environmentally harmful compounds | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.