Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7244689 | Method of producing alumina-silica catalyst supports Alumina-silica catalyst supports having substantially high surfaces areas are formed by extrusion, drying and firing of a plasticized batch including an alumina-silica powder component, acid, organic binder and water. The alumina-silica powder component can be forme... | 07/17/2007 |
| 7220704 | Desulfurization and novel compositions for same A composition comprising a promoter and a metal oxide selected from the group consisting of a gallium oxide, an indium oxide, and combinations of any two or more thereof, wherein at least a portion of the promoter is present as a reduced valence promoter and methods... | 05/22/2007 |
| 6679945 | Pyrogenically prepared silicon dioxide Pyrogenically prepared silicon dioxide with the following physicochemical properties: 1. Average particle size (D50 value)D50ࣙ150 nm (dynamic light scattering, 30 wt %) 2. Viscosity (5 rpm, 30 wt %) ηࣘ100 m.multidot.Pas 3... | 01/20/2004 |
| 6297187 | Catalyst for improving the performance of liquid hydrocarbon fuel The present invention provides a method of making a catalyst for improving the performance of liquid hydrocarbon fuel. The treating agent for improving the performance of liquid hydrocarbon fuel is made by preparing a resin or a rubber composition having ... | 10/02/2001 |
| 5719101 | Porous granular material obtained from wool scouring liquor, method for the manufacture thereof and applications The porous granular material according to the invention comprises carbon, silica, water-soluble mineral salts and water-insoluble mineral salts, does not disintegrate in the presence of water and has a particle size of approximately 1 to 5 mm, preferably ... | 02/17/1998 |
| 4804422 | Method of purifying quartz sand Starting from pegmatitic sand, the invention provides a method of purifying quartz sand, in which the amount of iron is reduced to less than 0.3 ppm, the amount of zircon to less than 1 ppm, and the amount of phosphor to less than 0.2 ppm. Gas nuclei are ... | 02/14/1989 |
| 4457900 | Silicic acid for the filtration of beverages, particularly beer A finely divided silicic acid simultaneously suitable as a filtering auxiliary and as a beer stabilizing agent in the filtration of beer. The acid is particulate, and the particles are of an essentially spherical or spheroidal shape with SiO2 c... | 07/03/1984 |
