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| Number | Title | Issue Date |
| 4568450 | Hydrocarbon conversion process A hydrocarbon conversion catalyst containing a Group VIB metal on a porous refractory oxide is prepared by impregnating support particles with a solution containing Group VIB metal components and citric acid, followed by drying and calcining. The catalyst... | 02/04/1986 |
| 4528919 | Multi-phase fluid flow divider The instant invention relates to an apparatus and method for dividing a flowing multi-phase fluid to provide at least two separate fluid streams wherein each fluid stream has substantially the same ratio of phases. This apparatus and method are especially... | 07/16/1985 |
| 4485071 | Field source rock evaluation apparatus The hydrocarbon potential of a source rock comprising hydrocarbons and insoluble organic materials capable of generating hydrocarbons upon pyrolysis or further maturation is analytically determined. In the instant invention, a particular sample of the sou... | 11/27/1984 |
| 4413680 | Permeability reduction in subterranean reservoirs A method for selectively reducing the permeability of the higher permeability zones of a subterranean reservoir having heterogeneous permeability, such permeability reduction occurring a substantial distance away from a well in which there is injected int... | 11/08/1983 |
| 4036739 | Catalytic cracking process using ammonia-stable zeolite catalyst Highly active, hydrothermally stable and ammonia-stable Y zeolite compositions are disclosed, which compositions are useful as adsorbents, hydrocarbon conversion catalysts, and as acidic supports for catalytic metals. The stabilized Y zeolite composition ... | 07/19/1977 |
| 4026696 | Particulate multicomponent soil additive This invention relates to a particulate multicomponent soil additive, a method of applying that additive to soils to improve the agronomic quality of the same, and methods of producing such multicomponent soil additives. The compositions comprise particle... | 05/31/1977 |
| 4013568 | Composition and method for drilling formations containing geothermal fluid A composition and method for drilling a well into a subterranean formation containing a geothermal fluid utilizing a gas-containing aqueous drilling fluid containing both lignite and a salt of a high molecular weight acrylic polymer.... | 03/22/1977 |
