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 |
| 7879144 | Filler comprising fly ash for use in polymer composites The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that can be combined with a polymer at higher filler loadings to produce a filled polymer for polymer composites that, in many cases, can produce ... | 02/01/2011 |
| 7273015 | Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t... | 09/25/2007 |
| 7264673 | Manufacture of articles from fly ash The present invention provides a method of forming a shaped article having a matrix that contains sintered fly ash. The method comprises the step of blending fly ash together with water to produce a fly ash dough. The water is added in excess of that which is absorb... | 09/04/2007 |
| 7163687 | Stabilized pesticide compositions The present invention provides a shelf-life extending pesticide formulation, and methods of making and methods of use. The present invention prolongs the shelf-life many fold. In addition, methods of controlling insects on cattle are also provided. ... | 01/16/2007 |
| 7047894 | Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t... | 05/23/2006 |
| 7038104 | Cellulose absorbent An absorbent and method of making are provided according to the invention. The absorbent in one embodiment includes a fibrous cellulose component, a particulate cellulose component, and a binding agent. The fibrous cellulose component and the particulate cellulose c... | 05/02/2006 |
| 6907994 | Process for converting wet fly ash into dry useful industrial products There is provided a process for converting wet fly ash into a useful product such as cement replacement or industrial filler. A first amount of wet fly ash is provided. The wet fly ash is fed into a mixing chamber. An amount of aggregate, such as stone, is provided.... | 06/21/2005 |
| 6890507 | Ozone treatment of fly ash Carbon-containing fly ash has been treated with optimum amounts of ozone. There is homogenous treatment of the fly ash with ozone and over saturation with ozone is avoided. In a further embodiment of the invention carbon, from various sources is oxygenated to be inc... | 05/10/2005 |
| 6821333 | Color effect materials and production thereof A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective layer which acts as a reflector to light directed thereon and a spacer pigment layer which is selectiv... | 11/23/2004 |
| 6802898 | Method for preparing fly ash for high compressive strength concrete and mortar, and compositions thereof The present invention relates to concrete, mortar and other hardenable mixtures comprising cement and fly ash for use in construction. The invention relates to hardenable mixtures comprising cement and fly ash which can achieve greater compressive strength than hard... | 10/12/2004 |
| 6802896 | Concrete aggregate The present invention relates generally to a method of forming a lightweight fly ash aggregate together with the resultant fly ash aggregate. The invention further relates to various aspects of the method of forming the lightweight fly ash aggregate including method... | 10/12/2004 |
| 6783585 | Carbon removal through partial carbon burn-out from coal ash used in concrete Concrete's durability to freeze-thaw cycles is dependent on its level of air entrainment, the appropriate level of which is achieved with the aid of surface active or air entraining agents. These agents promote the fragmentation of large air voids into smaller ones ... | 08/31/2004 |
| 6716293 | Wallboard with fly ash A composition used in making wallboard is provided. The composition requires at least fly ash, water and a first binder. The composition is located between two members that together form the wallboard. In one embodiment, at least the first binder is part of a foamab... | 04/06/2004 |
| 6695902 | Asphalt composites including fly ash fillers or filler blends, methods of making same, and methods for selecting or modifying a fly ash filler for use in asphalt composites The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that when combined with asphalt produces asphalt composites such as roofing shingles with improved mechanical properties at a lower cos... | 02/24/2004 |
| 6669773 | Fly ash/mixed plastic aggregate and products made therefrom The present invention is directed at a synthetic lightweight aggregate composition comprising fly ash and a mixture of two or more polymer components. More specifically, the present invention is also directed at a lightweight concrete which cures to a har... | 12/30/2003 |
| 6613138 | Manufactured granular substrate and method for producing the same A manufactured granular substrate composition suitable for use as a carrier for active chemical agents. The composition includes one or more mineral components having a bulk density greater than about 70 pounds per cubic foot. The composition also contain... | 09/02/2003 |
| 6605146 | Systems and methods for producing and using fine particle materials Systems and methods of making and using fine particle materials in pigment blends and for using the aforementioned pigment blends in paint, coating, or coloring compositions are provided. This invention further provides systems and methods of enhancing th... | 08/12/2003 |
| 6589654 | Construction material and method Construction material from granular material reclaimed from the ash of a municipal waste combustor wherein the ash is subjected to sorting and separating recovered metals, the granular material including particles having a maximum particle diameter of 5 t... | 07/08/2003 |
| 6537933 | Silk cloths for protecting affected parts Silk clothes for protecting affected parts (incised wound, burn, tumor, bedsore, etc.) which also contribute to the prevention of suppurating. These clothes are composed of a knitted woven silk fabric or non-woven silk fabric (silk floss, etc.) containing... | 03/25/2003 |
| 6521037 | Ozone treatment of fly ash Carbon-containing fly ash has been treated with optimum amounts of ozone. There is homogenous treatment of the fly ash with ozone and oversaturation with ozone is avoided.... | 02/18/2003 |
| 6447595 | Systems and methods for producing and using fine particle materials Systems and methods of making and using fine particle materials in pigment blends and for using the aforementioned pigment blends in paint, coating, or coloring compositions are provided. This invention further provides systems and methods of enhancing th... | 09/10/2002 |
| 6242098 | Method of making mineral filler and pozzolan product from fly ash A method for producing a mineral filler and pozzolan product from fly ash is provided in which fly ash is dry processed in an air classifier to obtain a fine fraction having an average particle size of from about 0.1 to 5 microns and a coarse fraction hav... | 06/05/2001 |
| 6231660 | Manufactured granular substrate and method for producing the same A manufactured granular substrate composition suitable for use as a carrier for active chemical agents. The composition includes about 65 wt % or more of one or more mineral components having a bulk density greater than about 70 pounds per cubic foot. The... | 05/15/2001 |
| 6139960 | Method of making a mineral filler from fly ash A method for producing a mineral filler from fly ash is provided in which fly ash is dry processed in an air classifier to obtain a fine fraction having an average particle size of from about 0.1 to 5 microns. The fine fraction is then preferably passed t... | 10/31/2000 |
| 6136089 | Apparatus and method for deactivating carbon in fly ash An apparatus and method for improving the properties of carbon-containing fly ash through ozonation is described. The apparatus includes a chamber for containing the fly ash and an ozonator that generates an ozone-containing gas. The ozonator supplies the... | 10/24/2000 |
| 5988396 | Ultrasonic conditioning and wet scrubbing of fly ash Processes for treating fly ash to enhance the fly ash as a pozzolan for portland cement mixes and to separate therefrom a substantial carbon compound and/or to increase the fineness of the fly ash include the treatment of a fly ash slurry with ultrasonic ... | 11/23/1999 |
| 5897943 | Metal matrix composite including homogeneously distributed fly ash, binder, and metal Metal matrix composites comprising of a solid preform comprising of a filler phase containing fly ash and a binding material having a binder to water ratio of 1:1 to 1:9, wherein the preform contains a metal homogeneously distributed within the preform.... | 04/27/1999 |
| 5887724 | Methods of treating bi-modal fly ash to remove carbon A method of reducing the carbon content of a dry bi-modal fly ash includes subjecting the bi-modal fly ash to dry vibrating screen separation into a carbon rich component and a carbon depleted fly ash component with the carbon depleted fly ash component b... | 03/30/1999 |
| 5840179 | Ultrasonic conditioning and wet scubbing of fly ash Processes for treating fly ash to enhance the fly ash as a pozzolan for portland cement mixes and to separate therefrom a substantial carbon compound and/or to increase the fineness of the fly ash include the treatment of a fly ash slurry with ultrasonic ... | 11/24/1998 |
| 5817230 | Method for improving the pozzolanic character of fly ash A method for improving the pozzolanic character of fly ash includes the steps of first hydraulically classifying and then flotation separating the fly ash in order to reduce particle size distribution and remove carbon. The method also includes the steps ... | 10/06/1998 |
| 5769936 | Method for producing fly ash granules A method for producing fly ash granules, which comprises mixing 100 parts by weight of fly ash, from 0.001 to 1 part by weight of a water-soluble polymer having from 2 to 80 mol %, based on the total repeating units, of repeating units having carboxyl gro... | 06/23/1998 |
| 5484479 | Method of manufacturing synthetic aggregate A method for making synthetic aggregate. Fly ash is combined with water to form a soil-like mixture. The mixture is then compacted into slabs and allowed to set. After setting, the material is crushed to appropriate size. Since fly ash and water mixtures ... | 01/16/1996 |
| 5484476 | Method for preheating fly ash A method for preheating particles of carbonaceous fly ash prior to injecting the particles of fly ash into a combustor. In the method, the particles of fly ash are introduced into a preheating vessel. The particles of fly ash are heated in the preheating ... | 01/16/1996 |
| 5399194 | Method of fly ash beneficiation and apparatus for same A method for beneficiating particles of fly ash containing carbon which includes the following steps. The particles of fly ash are introduced into a dry bubbling fluid bed and air is supplied thereto. The fluid bed is operated at a temperature ranging fro... | 03/21/1995 |
| 5364572 | Process for making high-strength synthetic aggregates A process for making high-strength aggregates including hydrating calcium oxide containing coal combustion ash for a sufficient period of time to convert a high percentage of the calcium oxide to calcium hydroxide prior to forming the aggregates and curin... | 11/15/1994 |
| 5342442 | Lightweight aggregate from flyash and sewage sludge A method is shown for producing a lightweight aggregate by treating flyash and sewage sludge. The flyash and sewage sludge are mixed together and then agglomerated into pellets, with or without the use of a binder. The pellets may be coated and then are d... | 08/30/1994 |
| 5286292 | Method of treating fly ash and fly ash cement Commercially available fly ash is prepared and charged in a vessel. A halogen gas is supplied to the vessel and is brought into contact with the fly ash in the vessel.... | 02/15/1994 |
| 5279657 | Optically variable printing ink Articles and methods for forming optically variable thin film flakes and replicated coatings having preselected optical properties. The articles generally comprise a flexible web of material and an optically variable thin film coating formed on one surfac... | 01/18/1994 |
| 5245114 | Immobilization of lead in bottom ash Bottom ash arising from solid waste combustion has lead (Pb) sufficient quantity to sometimes fail the EPA TCLP test. Addition of water-soluble phosphate, especially phosphoric acid, increases the immobilization of lead (Pb) so as to make such residues in... | 09/14/1993 |
| 5227047 | Wet process for fly ash beneficiation A wet process for the beneficiation of a fly ash by-product has the following steps: a) forming a slurry mixture of a fly ash material and a liquid; b) gravitationally separating and collecting a first material fraction of the fly ash having a density les... | 07/13/1993 |