Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7812209 | Method for solidifying and stabilizing a concentrated aqueous sodium hydroxide solution The present invention relates to a process for the solidification and stabilization of concentrated aqueous sodium hydroxide solution, characterized in that the following steps are carried out: a) a hydraulic binder containing blast furnace slag is mixed with... | 10/12/2010 |
| 7387674 | Method for solidifying soil and industrial waste, and solidified materials prepared thereby Disclosed herein are a method for solidifying soil and industrial waste and a solidified material prepared thereby. The solidified material of soil and industrial waste is prepared by adding 2-6 parts by weight of a 3-5-fold dilution of a solidifying agent and 3-15 ... | 06/17/2008 |
| 7361801 | Methods for immobilization of nitrate and nitrite in aqueous waste The present invention relates to a method of immobilizing aqueous waste, including low level nuclear waste, by converting the waste to a solid. Solidification is accomplished with the addition of a compound having the formula Me(II)O or Me(II)(OH)2 in com... | 04/22/2008 |
| 7338429 | Method for direct solidification and stabilization of liquid hazardous wastes containing up to 100,000 mg/L of arsenic The present invention relates to a method for direct treatment of liquid wastes containing up to 10% or 100,000 mg/L of arsenic by solidification/stabilization in a relatively cost effective and environmentally safe. The method also permits the simultaneous utilizat... | 03/04/2008 |
| 7329399 | Hydrogen trapper compound, method for the production and uses thereof A hydrogen-trapping compound is provided, along with a process for manufacturing the compound, and its uses, wherein the hydrogen-trapping compound is characterized in that it contains at least one metal salt of formula MX(OH), in which M represents a divalent trans... | 02/12/2008 |
| 7323613 | Method and installation for the treatment of radioactive wastes The invention relates to a method and system for the treatment of radioactive wastes produced as a consequence of the operation of nuclear power plants with pressurized water reactors and boron reactivity regulation accompanied by the simultaneous production of envi... | 01/29/2008 |
| 7309807 | Method of containing radioactive contamination A method of controlling or containing radioactive contamination by providing a neutron absorbing material to a radioactive contamination site. Preferably the neutron absorbing material is present as a powder, granule, slurry or suspension, allowing the neutron absor... | 12/18/2007 |
| 7294375 | Cement composite, concrete, concrete cask and method of manufacturing concrete The invention provides a composite from which concrete featuring a sufficiently high heat resistance can be produced, as well as a high-safety sealed concrete cask having no opening (shielding defect) to offer high shielding performance that can prevent corrosion of... | 11/13/2007 |
| 7271310 | Cask weeping mitigation A method (and concomitant kit) for treating a surface to reduce subsequent 137Cs nuclide desorption comprising contacting the surface with a first cation-containing solution, the cation being one or more of Cs+, Rb+, Ag+, ... | 09/18/2007 |
| 7250119 | Composite materials and techniques for neutron and gamma radiation shielding This invention deals with multi-component composite materials and techniques for improved shielding of neutron and gamma radiation emitting from transuranic, high-level and low-level radioactive wastes. Selective naturally occurring mineral materials are utilized to... | 07/31/2007 |
| 7211038 | Methods for melting of materials to be treated A process for melting material to be treated includes placing material to be treated in a container that may include an insulating lining, heating the material to be treated and melting the material to be treated, preferably allowing the melted material to cool to f... | 05/01/2007 |
| 7144362 | Method for chemically stabilizing waste materials containing multivalent oxyanions A method of chemically stabilizing multivalent oxyanions in residue materials such as wastes from glass manufacturing facilities which method involves adding to the residue material cement, lime and aluminum sulfate to form a clay-like material having a low leachabi... | 12/05/2006 |
| 7091393 | Processes for immobilizing radioactive and hazardous wastes The present invention utilizes one or more processes to immobilize a waste that contains one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds present in the waste. Each of the processes create a barrier against leaching and d... | 08/15/2006 |
| 7090827 | Process for immobilizing metallic sodium in glass form A process for immobilizing metallic sodium in glass form. The process comprises: (A) introducing in a dispersed state, into a reactor, an amount of a vitrified matrix precursor, metallic sodium and iron oxide (Fe2O3) sufficient to ensure oxidat... | 08/15/2006 |
| 7087120 | System and method for chemical decontamination of radioactive material A method for chemically decontaminating radioactive material. The method includes reducing-dissolving step for setting surface of radioactive material in contact with reducing decontamination liquid including mono-carboxylic acid and di-carboxylic acid as dissolvent... | 08/08/2006 |
| 7022292 | Radioactive waste treatment facility An injection and solidification operation as well as a kneading and solidification operation can be performed by a single facility. A decreased amount of radioactive secondary waste is generated. A solidifying agent paste is prepared by kneading a solidifying agent ... | 04/04/2006 |
| 7017371 | Method for producing a glass Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and having a determined chemical composition adjusted on basis of knowledge o... | 03/28/2006 |
| 7019189 | Process and composition for the immobilization of radioactive and hazardous wastes in borosilicate glass The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides borosil... | 03/28/2006 |
| 6923929 | Method and apparatus for treating waste materials A method for manufacturing a waste block includes forming an outer housing by compressing soil material and engaging into and compressing a waste insert in the outer housing, for allowing the waste insert to be solidly and safely retained within the outer housing, a... | 08/02/2005 |
| 6921515 | Apparatus for chemical decontamination In a chemical decontamination apparatus, a catalyst decomposition column in an upstream side of an ion exchange resin column and a hydrogen peroxide injection apparatus in a further upstream side, reduce the amount of waste products caused by a chemical decontaminat... | 07/26/2005 |
| 6885719 | Method and compositions for grouting decommissioned nuclear reactor components A method for grouting a decommissioned nuclear reactor containing residual water. A first, water-absorbent grout is used to grout the bottom portion of the reactor vessel. The water-absorbent grout is formed of cement and a water-absorbent particulate material, such... | 04/26/2005 |
| 6873673 | Device for storing heat generating material and a vessel for such device A device for storing heat-generating hazardous material, particularly radio-active fuel for nuclear reactors, comprises a substantially cylindrical, reinforced concrete body (11) with a cylindrical through center passage (13) and a plurality of axially... | 03/29/2005 |
| 6818188 | Radioactive waste treatment facility An injection and solidification operation as well as a kneading and solidification operation can be performed by a single facility. A decreased amount of radioactive secondary waste is generated. A solidifying agent paste is prepared by kneading a solidifying agent ... | 11/16/2004 |
| 6785355 | Method and system for manufacturing storage container for storing nuclear fuel A method for storing nuclear fuel in a container (10) including a concrete body and a fuel receiver embedded in the concrete body, comprises the steps of: providing formwork (62) for the concrete body and supporting the fuel receiver within the formwor... | 08/31/2004 |
| 6784444 | Containment and transportation of decommissioned nuclear reactor pressure vessels Apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container allows easier handling and packaging of machinery within plants where t... | 08/31/2004 |
| 6776837 | Formation of chemically bonded ceramics with magnesium dihydrogen phosphate binder A new method for combining magnesium oxide, MgO, and magnesium dihydrogen phosphate to form an inexpensive compactible ceramic to stabilize very low solubility metal oxides, ashes, swarfs, and other iron or metal-based additives, to create products and waste forms w... | 08/17/2004 |
| 6771731 | Device for storage of hazardous material A device (10) for storage of hazardous material, especially heat-producing hazardous material, such as radioactive spent nuclear reactor fuel, comprises a substantially cylindrical reinforced concrete body (12) and has an axially elongate storage space... | 08/03/2004 |
| 6617484 | Containment and transportation of decommissioned nuclear reactor pressure vessels and the like Method and apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container is provided which allows easier handling and pack... | 09/09/2003 |
| 6512157 | Subgrade radioactive and hazardous waste monolith packaging structural containment system An economical and efficient method for forming a waste containing monolith which meets applicable waste disposal laws, rules and regulations. Removable walls are attached to at least one side of the monolith, thereby forming an interior volume defined by ... | 01/28/2003 |
| 6414211 | Method of packing a nuclear reactor vessel for decommissioning and removal A method of packaging a nuclear reactor vessel for decommissioning and removal, wherein closure plates are installed onto the vessel, concrete is injected into the vessel, shielding material is installed around the exterior of the vessel and the main nozz... | 07/02/2002 |
| 6399849 | Treatment of mercury containing waste A process is provided for the treatment of mercury containing waste in a single reaction vessel which includes a) stabilizing the waste with sulfur polymer cement under an inert atmosphere to form a resulting mixture and b) encapsulating the resulting mix... | 06/04/2002 |
| 6399848 | Encapsulation of hazardous waste materials A method of encapsulating hazardous waste materials including heavy metals such as arsenic, mercury, nickel and chromium residues, as well as radioactive materials. The method involves adding the hazardous waste material to a settable composition, forming... | 06/04/2002 |
| 6153809 | Polymer coating for immobilizing soluble ions in a phosphate ceramic product A polymer coating is applied to the surface of a phosphate ceramic composite to effectively immobilize soluble salt anions encapsulated within the phosphate ceramic composite. The polymer coating is made from ceramic materials, including at least one inor... | 11/28/2000 |
| 6087546 | Decommissioned reactor vessel package and method of making same The container has inward lugs with vertical holes. The vessel is bolted to it using the closure-head-securing bolt holes. The method involves raising the reactor vessel inside a cylindrical shell using lifting studs in the vessel head-securing bolt holes ... | 07/11/2000 |
| 6075176 | Iron-phosphate ceramics for solidification of mixed low-level waste A method of immobilizing mixed low-level waste is provided which uses low cost materials and has a relatively long hardening period. The method includes: forming a mixture of iron oxide powders having ratios, in mass %, of FeO:Fe2 O3... | 06/13/2000 |
| 6046374 | Cellular grout radiation barrier A method for forming a radiation-absorbing barrier around a radioactive component by flowing a radiation-absorbing cement grout into a container which encloses the component. The radiation-absorbing cement grout comprises a cement slurry, a finished foam ... | 04/04/2000 |
| 6008428 | Method and device for storing hazardous waste A device for the storage of hazardous waste, particularly radioactive waste, comprises a storage unit (10) comprised of an essentially cylindrical concrete body (11) having a central cavity for receiving a waste container (A) and passages for a flowing co... | 12/28/1999 |
| 6002063 | Apparatus and method for subterranean injection of slurried wastes Injection of slurried wastes is carried out within deeply buried strata. Appropriate target strata are identified in terms of sufficient porosity and permeability, and overburden that includes permeable and impermeable strata. Slurry is injected at suffic... | 12/14/1999 |
| 5998690 | Method and agents for solidification of boric acid and/or borates solutions A unique method for solidification of solutions containing boric acid and/or borates is disclosed in this invention. The boron species in the solutions are polymerized to form polyborates, and the solutions are then solidified by mixing with solidificatio... | 12/07/1999 |
| 5819186 | Cellular grout radiation barrier A method for forming a radiation-absorbing barrier around a radioactive component by flowing a radiation-absorbing cement grout into a container which encloses the component. The radiation-absorbing cement grout comprises a cement slurry, a finished foam ... | 10/06/1998 |