"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 6642187 | Lubricating compositions, concentrates, and greases containing the combination of an organic polysulfide and an overbased composition or a phosphorus or boron compound This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, (A) at least one organic polysulfide comprising at least about 90% dihydrocarbyl trisulfide, from about 0.1% up to about 8% dihydrocarbyl dis... | 11/04/2003 |
| 6617288 | Aqueous compositions containing thiophosphorus esters or their salts with a oxyalkylene group, and methods of using the same This invention relates to an aqueous composition comprising water, a surfactant or thickener, and at least one metal-free thiophosphorus acid ester, at least one amine salt of the thiophosphorus acid ester, or a mixture thereof, wherein the thiophosphorus... | 09/09/2003 |
| 5401440 | Inhibition of catalyzed oxidation of carbon-carbon composites This invention relates to a composition and method of inhibiting catalyzed oxidation of carbon-carbon composites. The invention includes compositions, capable of impregnating carbon-carbon composites, comprising an aqueous mixture of (a) phosphoric acid, ... | 03/28/1995 |
| 4863534 | Explosive compositions using a combination of emulsifying salts The present invention provides for an explosive composition comprising a discontinuous oxidizer phase comprising at least one oxygen-supplying component, a continuous organic phase comprising at least carbonaceous fuel, and an emulsifying amount of (A) at... | 09/05/1989 |
| 4844756 | Water-in-oil emulsions A water-in-oil emulsion is disclosed which comprises: (A) a continuous oil phase; (B) a discontinuous aqueous phase; (C) a minor emulsifying amount of at least one salt derived from (C) (I) at least one hydrocarbyl-substituted carboxylic acid or anhydride, or ester... | 07/04/1989 |
| 4839322 | High surface area polymers of pyrrole or copolymers of pyrrole Polymers of pyrrole or copolymers of pyrrole are obtained having high surface area and low conductivity. Such polymers and copolymers are useful in forming catalysts.... | 06/13/1989 |
| 4828633 | Salt compositions for explosives Salt compositions are disclosed which comprise: (A) at least one salt moiety derived from (A)(I) at least one high-molecular weight polycarboxylic acylating agent, said acylating agent (A)(I) having at least one hydrocarbyl substituent having an average o... | 05/09/1989 |
| 4808344 | Process for recovering and purifying unreacted acrylonitrile from the waste stream in the manufacture of 2-acrylamido-2-methyl propane sulfonic acid Excess amounts of a pure form of acrylonitrile are reacted with other reactants in the production of various compounds such as 2-acrylamido-2-methyl propane sulfonic acid. Accordingly, large amounts of acrylonitrile remain unreacted and present with other... | 02/28/1989 |
| 4806210 | H2 S and alcohol recovery process A process for the recovery of alcohols and hydrogen sulfide from a thiophosphate containing mixture is disclosed.... | 02/21/1989 |
| 4804389 | Fuel products A fuel composition for internal combustion engines, and more particularly, a fuel composition for internal combustion engines containing less than about 0.5 gram of lead per gallon of fuel is described. The fuel provides acceptable valve seat protection i... | 02/14/1989 |
| 4798684 | Nitrogen containing anti-oxidant compositions This invention describes compositions containing nitrogen, sulfur and optionally oxygen which are useful as antioxidants for lubricants.... | 01/17/1989 |
| 4789402 | Mannich reaction product as asphalt antistripping agent An asphalt cement mixture is disclosed. The mixture has improved antistripping properties due to the inclusion therein of a minor amount of an antistripping agent produced by the condensation reaction of an amine, an aldehyde or aldehyde reaction synthon ... | 12/06/1988 |
| 4784781 | Lubricating oil compositions containing multi-functional additive component Oil based compositions are disclosed which are comprised of oil having a multi-functional additive component therein. The additive component is present in sufficient amounts so as to provide improved performance characteristics to the composition such as ... | 11/15/1988 |
| 4775490 | Magnesium overbasing process The invention describes a process for overbasing a substrate comprising mixing the substrate, water, a phenol, a source of magnesium and a carbonating agent, wherein the water is retained throughout the overbasing reaction and provided further that the we... | 10/04/1988 |
| 4770801 | Coupled phosphorus-containing amides, precursors thereof and lubricant compositions containing same A load-carrying agent and a lubricating composition containing such an agent is disclosed. The agent is preferably comprised of a statistical mixture of a plurality of different coupled phosphorus-containing amide compounds having the formula ##STR1#... | 09/13/1988 |
| 4724091 | Alkyl phenol and amino phenol compositions and two-cycle engine oils and fuels containing same Additive combinations useful in lubricating compositions containing a major amount of an oil of lubricating viscosity are described. The additive compositions comprise a mixture of at least one alkyl phenol and at least one amino phenol, each having at le... | 02/09/1988 |
| 4721802 | Dithiophosphorus/amine salts Phosphorus, sulphur and nitrogen containing salts prepared from dithiophosphorus compounds and amines are disclosed, which salts find utility in aqueous functional fluids. Compositions comprising a continuous aqueous phase, at least one of said salts prep... | 01/26/1988 |
| 4710474 | Method of analyzing high molecular weight dispersants in motor oils A method which involves the isolation, analysis and characterization of dispersants present in motor oils is disclosed. The method is particularly useful in connection with the characterization of high molecular weight polybutenyl succinimide dispersants ... | 12/01/1987 |
| 4690767 | Hydrogen sulfide stabilized oil-soluble sulfurized organic compositions The hydrogen sulfide emission of oil-soluble sulfurized organic compounds is reduced by utilizing a hindered amine and optionally a carboxylic acid or acid anhydride in effective amounts.... | 09/01/1987 |
| 4677074 | Process for reducing sulfur-containing contaminants in sulfonated hydrocarbons Processes of reducing the inorganic sulfur-containing acid and the low equivalent weight organic sulfonic acid content of an acid mass comprising organic sulfonic components and inorganic sulfonating agent contaminants are described. In general, the proce... | 06/30/1987 |