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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 4255404 | Isotopic separation Method and apparatus for separating isotopes in an isotopic mixture of atoms or molecules by increasing the mass differential among isotopic species. The mixture containing a particular isotope is selectively irradiated so as to selectively excite the iso... | 03/10/1981 |
| 4244697 | Process for expelling uranium hexafluoride having a high U-235 content from a transportation cylinder Uranium hexafluoride having a high U-235 content is driven out of a transportation container by heating in a correspondingly heated container using a halogenated hydrogen free organic liquid as the heating medium. There is also provided an apparatus for c... | 01/13/1981 |
| 4234550 | Method for treating a particulate nuclear fuel material A process for treating a particulate uranium oxide composition containing ammonium diuranate precursors such as uranyl fluoride and uranyl nitrate, along with possible impurities, is disclosed. The process comprises the steps of (a) contacting the composi... | 11/18/1980 |
| 4228141 | Process for a gasification of graphite A graphite can be easily and completely gasified by soaking the graphite in a catalyst solution of a nitrate of a gasification catalyst selected from the group consisting of cobalt, nickel and iron and nitric acid to impregnate the graphite with the gasif... | 10/14/1980 |
| 4208377 | Process for recovering actinide values A process for rendering actinide values recoverable from sodium carbonate scrub waste solutions containing these and other values along with organic compounds resulting from the radiolytic and hydrolytic degradation of neutral organophosphorous extractant... | 06/17/1980 |
| 4202861 | Method for dry reprocessing of irradiated nuclear fuels Irradiated nuclear fuels consisting primarily of plutonium compounds and/or uranium compounds such as oxides, carbides, nitrides are converted in accordance with the method to plutonium hexafluoride and/or uranium hexafluoride. In a first step, the compou... | 05/13/1980 |
| 4191022 | Chemical plant In a chemical plant the atmosphere under which a chemical process is performed is contained and continuously circulated by the driving force obtained by the alternate condensation and evaporation of a part of the atmosphere.... | 03/04/1980 |
| 4172114 | Method for purifying plutonium hexafluoride An effective method for purifying plutonium hexafluoride for the reprocessing of the spent nuclear fuel or for the recovery of fuel plutonium from the scrap by fluoride-volatility with high decontamination factors is presented using a selective adsorption... | 10/23/1979 |
| 4105746 | Method and apparatus for providing negative ions of actinide-metal hexafluorides This invention relates to a novel method and a novel generator, or source, for providing gaseous negative ions of selected metal hexafluorides. The method is summarized as follows: in an evacuated zone, reacting gaseous fluorine with an actinide-metal bod... | 08/08/1978 |
| 4096231 | Separation of uranium hexafluoride from plutonium hexafluoride by means of selective intercalation in graphite A method is disclosed for the selective separation and sequestering of plutonium from uranium which comprises contacting a gas stream containing uranium hexafluoride [at a partial pressure of 26 torr or less] and plutonium hexafluoride at any pressure wit... | 06/20/1978 |
| 4092397 | Pyrochemical separation of plutonium from irradiated nuclear fuels, by thermal decomposition in molten nitrates In the recovery of plutonium from irradiated nuclear fuel elements especially those coming from fast nuclear reactors, the improvement consisting in that the spent nuclear fuel elements are subjected to the action of a molten nitrate bath (mixed nitrates ... | 05/30/1978 |
| 4053559 | Production of uranium dioxide A continuous, four stage fluidized bed process for converting uranium hexafluoride (UF6) to ceramic-grade uranium dioxide (UO2) powder suitable for use in the manufacture of fuel pellets for nuclear reactors is disclosed. The process... | 10/11/1977 |
| 4031029 | Process for producing uranium oxide rich compositions from uranium hexafluoride using fluid injection into the reaction zone An improved process for the conversion of gaseous uranium hexafluoride to a uranium oxide rich composition in the presence of an active flame in a reaction zone is achieved by introducing a first gaseous reactant comprising a mixture of uranium hexafluori... | 06/21/1977 |
| 4024217 | Method of isotope separation by chemi-ionization A method for separating specific isotopes present in an isotopic mixture by aerodynamically accelerating a gaseous compound to form a jet of molecules, and passing the jet through a stream of electron donor atoms whereby an electron transfer takes place, ... | 05/17/1977 |
| 4020146 | Production of uranium dioxide A three stage fluidized bed process for converting uranium hexafluoride (UF6) to a ceramic-grade uranium dioxide (UO2) powder by first, reacting hydrogen and steam with UF6 in a first fluidized bed in a temperature range o... | 04/26/1977 |
| 4017583 | Volitilization process for separation of molybdenum-99 from irradiated uranium A novel process and an apparatus are herein disclosed for separating molybdenum-99 from irradiated uranium.... | 04/12/1977 |
| 4014975 | Method for separating the isotopes of a chemical element A beam of positive or negative primary ions of at least one compound of a chemical element is accelerated in order to pass through collision boxes placed in series. As a result of inelastic collisions of the ions with the molecules of a neutral target gas... | 03/29/1977 |
| 4005042 | Process for producing uranium rich compositions from uranium hexafluoride using fluid injection in the post oxidation step An improved process for the conversion of gaseous uranium hexafluoride to a uranium oxide rich composition in the presence of an active flame in a reaction zone is disclosed and comprises introducing a first gaseous reactant comprising a mixture of uraniu... | 01/25/1977 |
| 3997465 | Dehalogenation process Process for dehalogenation of particulate compositions containing halide impurities including metallic oxides and metallic halides such as metallic fluorides to produce metallic oxides by contacting the compositions in a heated atmosphere containing vapor... | 12/14/1976 |
| 3991155 | Isotopic enrichment of uranium hexafluoride in 235-uranium A compound of a chemical element to be isotopically enriched is placed in a working zone with an auxiliary material and temperature and pressure conditions are controlled to cause a liquid solution to occur. The liquid solution is injected through a nozzl... | 11/09/1976 |
| 3980471 | Process for class III-B metals ore reduction Class III-B metal ores such as Thorium and Uranium oxides are reduced to the powdered metal state by mixing them with a hydroxide such as Sodium Hydroxide (NaOH), or others of the Classes I-A and II-A metal series, and sugar or starch, then heating the mi... | 09/14/1976 |
| 3970581 | Multiple gas streams in the post oxidation step in a process for converting uranium hexafluoride to uranium oxide rich compositions This invention presents a process for conversion of gaseous uranium hexafluoride to an oxide product of uranium by introducing to a reaction zone in the presence of an active flame maintained in the reaction zone a first gaseous reactant comprising a mixt... | 07/20/1976 |
| 3969477 | Method of defluorinating uranium compositions in a calciner A method of dehalogenating a particulate composition in a calciner having a heating zone and a cooling zone is presented in which a dehalogenating atmosphere flows through the calciner, including a constricted zone in the calciner, countercurrent to the m... | 07/13/1976 |
| 3956147 | Production of metal fluorides from fluosilicic acid A process which comprises reacting at a temperature above 100°C. a metal oxide, hydroxide or a mixture thereof with aqueous fluosilicic acid, said fluosilicic acid having a concentration of about 10 to 45% by weight, to form gaseous silicon tetrafluoride... | 05/11/1976 |
| 3937784 | Method for removing fluoride ions from UO2 powders A fluorine containing heavy-metal oxide powder, particularly UO2 powder, is subjected to a pyrohydrolysis treatment under the most complete exclusion of hydrogen.... | 02/10/1976 |
