Daniel Durand
47Patents
15h-index
63Co-inventors
84Inventor score
Filing activity: Jan 18, 1973 → Nov 28, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4857611A | Gas fluidized bed terpolymerization of olefins | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4347392A | Process for the selective hydrogenation of a hydrocarbon fraction with 2 or 3 carbon atoms per molecule | Chemistry; Metallurgy | 53 | Expired |
| US4409410A | Process for selectively hydrogenating a di-olefin in a mixture of hydrocarbons having at least 4 carbon atoms and comprising an .alpha.-olefin | Chemistry; Metallurgy | 44 | Expired |
| US5965481A | Process for preparing a catalyst suitable for the treatment of exhaust gases from internal combustion engines | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4596782A | Process for manufacturing catalysts containing copper, zinc and aluminum, useful for producing methanol from synthesis gas | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5413984A | Method for preparing multi-metal catalysts | Performing Operations; Transporting | 30 | Expired |
| US5077358A | Process for the start up of polymerization or copolymerization in the gas phase of alpha-olefins in the presence of a ziegler-natta catalyst system | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4786688A | Polyethylene composition for extrusion, particularly for blow moulding | Chemistry; Metallurgy | 30 | Expired |
| US4780481A | Process for manufacturing a mixture of primary alcohols from a synthesis gas, in the presence of a catalyst containing copper, cobalt, zinc and at least one alkali and/or alkaline earth metal | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4748221A | Polymerization of olefins using a ziegler-natta catalyst and two organometallic compounds | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5801114A | Catalysts selective for the reduction of nitrogen oxides to nitrogen in an oxidizing medium, a process for their preparation and their use | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5736482A | Catalysts for reducing nitrogen oxides to molecular nitrogen in a superstoichiometric medium of oxidizing compounds, process for preparation, and uses | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4552861A | Process for manufacturing catalysts containing copper, zinc, aluminum and at least one metal from the group formed of rare earths and zirconium and the resultant catalysts for reactions involving a synthesis gas | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4271323A | Process for hydrogenating unsaturated compounds | Performing Operations; Transporting | 16 | Expired |
| US5051392A | Multifunctional catalyst for treating exhaust fumes from internal combustion engines, containing uranium, at least one uranium promotor and at least one precious metal, and its preparation | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4659742A | Process for manufacturing a mixture of methanol and higher alcohols from synthesis gas | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5723403A | Production process for catalysts on supports including a centrifuging step for the support after coating | Performing Operations; Transporting | 15 | Expired |
| US5643543A | Catalyst for treatment of exhaust gases from an internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5075395A | Process for the starting of the polymerization of ethylene or copolymerization of ethylene and at least one other alpha-olefin in the gas phase in the presence of a catalyst based on chromium oxide | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4791141A | Process for synthesizing a mixture of primary alcohols from a synthesis gas in the presence of a catalyst containing copper, cobalt, zinc and aluminum | Performing Operations; Transporting | 10 | Expired |
| US4840783A | Process for the production of hydrogen by catalytic reforming of methanol with water vapor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7097873B2 | Method and installation for continuously preparing caseinate | Human Necessities | 9 | Expired |
| US8158179B2 | Method and equipment for the continuous production of an expanded food product | Human Necessities | 9 | Active |
| US5108978A | Multifunctional catalysts containing cerium, uranium and at least one other metal, for converting pollutants emitted by internal combustion engines, and their preparation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4847000A | Process for manufacturing synthesis gas or hydrogen by catalytic conversion of methanol in the liquid phase | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.