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| Number | Title | Issue Date |
| 7276640 | Metal oxide nanoparticles for smoke clearing and fire suppression Methods of reducing smoke levels in smoke-affected areas, reducing the level of toxic compounds produced by fires, fire suppression, and increasing flame retardancy. In particular, methods according to the present invention comprise dispersing nanocrystalline partic... | 10/02/2007 |
| 7258116 | Bottom venting fireplace system A fireplace having a bottom venting arrangement is disclosed. The fireplace includes a firebox having a burner and a combustion chamber. Fumes produced by burning of gas at the burner are pulled into an upper exhaust plenum in the upper portion of the firebox. The u... | 08/21/2007 |
| 7247263 | Fire-barrier composition The invention is directed to a system which allows for the rapid application of a water immobilizing dispersion in sufficient quantities to increase the fire protective and wetting characteristics of water. This system also increases the evaporative cooling and quen... | 07/24/2007 |
| 7223351 | Fire extinguishing mixtures, methods and systems Fire extinguishing mixtures, systems and methods are provided. The fire extinguishing mixtures can include one or more extinguishing compounds, such as, for example, one or more of fluorocarbons, fluoroethers, and fluorocarbons. The fire extinguishing mixtures can a... | 05/29/2007 |
| 7189337 | Methods for preventing and/or extinguishing fires In the prevention of the spread of fires and for directly fighting fires, a cross-linked, water-swellable additive polymer in a vegetable oil dispersion is added to firefighting water. The additive has the properties of absorbing large quantities of water, high visc... | 03/13/2007 |
| 7166237 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 01/23/2007 |
| 7163642 | Composition inhibiting the expansion of fire, suppressing existing fire, and methods of manufacture and use thereof The invention relates to compositions that prevent expansion of a fire, suppress existing fire, as well as methods of preparing and using such compositions. The composition is comprised of water, pseudo-plastic high yield suspending agent and starch. Compositions ma... | 01/16/2007 |
| 7157019 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 01/02/2007 |
| 7147214 | Humidifier for fuel cell using high conductivity carbon foam A method and apparatus of supplying humid air to a fuel cell is disclosed. The extremely high thermal conductivity of some graphite foams lends itself to enhance significantly the ability to humidify supply air for a fuel cell. By utilizing a high conductivity pitch... | 12/12/2006 |
| 7135125 | Method of extinguishing or retarding fires A foam concentrate or fire fighting composition for extinguishing and/or retarding fires is provided that meets UL162, Class B performance criteria for at least one of AFFF agents, AR-AFFF agents and fluoroprotein (FP) agents. The concentrate is used to form the fir... | 11/14/2006 |
| 7104327 | Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor The present invention provides methods of fracturing high temperature subterranean zones and viscous aqueous foamed fracturing fluids therefor. A fracturing fluid of this invention comprises water, a terpolymer of 2-acrylamido-2-methylpropane-sulfonic acid, acrylami... | 09/12/2006 |
| 7083742 | Fluoroiodocarbon blends as CFC and halon replacements A new set of effective, environmentally safe, nonflammable, low-toxicity refrigerants, solvents, foam blowing agents, propellants, and firefighting agents is disclosed. The agents are clean, electrically nonconductive, and have short atmospheric lifetimes, zero ozon... | 08/01/2006 |
| 7070755 | Pitch-based carbon foam and composites and use thereof A thermally conductive carbon foam is provided, normally having a thermal conductivity of at least 40 W/m·K. The carbon foam usually has a specific thermal conductivity, defined as the thermal conductivity divided by the density, of at least about 75 W·cm3 | 07/04/2006 |
| 7052555 | Method of removing surface coatings A gel is produced by magnetically treating and mixing two solutions and in one embodiment subsequently introducing carbon dioxide gas. The first solution is comprised of water and sodium bicarbonate, and the second solution is comprised of water and sodium silicate.... | 05/30/2006 |
| 7033526 | Fire retardant foam and gel compositions A composition which retards the spread of fire, protects assets at risk from fire damage and emits a material which aids in extinguishing the fire. The composition may be either in the form of a gel or a foam and may be used to protect any sort of object, such as pe... | 04/25/2006 |
| 7021376 | Method for placement of blocking gels or polymers at multiple specific depths of penetration into oil and gas, and water producing formations This patent relates to a process whereby two, or more, filter/sieves or water blockages are produced by injecting the interactive chemicals used to form gels and polymers at reservoir temperatures independently and sequentially into a well in such a manner that the ... | 04/04/2006 |
| 7014151 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 03/21/2006 |
| 7011763 | Fire extinguishing or retarding material A foam concentrate or fire fighting composition for extinguishing and/or retarding fires is provided that meets UL162, Class B performance criteria for at least one of AFFF agents, AR-AFFF agents and fluoroprotein (FP) agents. The concentrate is used to form the fir... | 03/14/2006 |
| 7004261 | Microemulsion mists as fire suppression agents A fire suppressant, fire suppressant mist, and method of atomizing a water mist for suppressing a fire are provided by in-situ atomization of water droplets within a fire using water-in-oil microemulsions. The discrete phase of emulsion is a low boiling point oil or... | 02/28/2006 |
| 6997261 | Conformance improvement additive, conformance treatment fluid made therefrom, method of improving conformance in a subterranean formation For conformance treatment to plug an opening in subterranean hydrocarbon bearing formation, a conformance additive including water soluble crosslinkable polymer, a crosslinking agent, a filter aid that is preferably diatomaceous earth, and optionally a reinforcing m... | 02/14/2006 |
| 6951962 | Oil/grease- and water-sizing agent for treatment of cellulosics A water-dispersible oil/grease-sizing and water-sizing agent that provides oil/grease and water-sizing for paper and other cellulosic materials. The agent works effectively for both oil/grease and water sizing at high temperatures. The polymeric agent's key features... | 10/04/2005 |
| 6939833 | Additive for, treatment fluid for, and method of plugging a tubing/casing annulus in a well bore For tubing/casing annulus plug treatment to plug a well, a tubing/casing annulus plug additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, a filter aid, and an optional reinforcing material, preferably of fibers and/or commi... | 09/06/2005 |
| 6932158 | Well plug additive, well plug treatment fluid made therefrom, and method of plugging a well For well plug treatment to plug an abandoned well, a well plug additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, and filter aid, and optionally, a reinforcing material preferably of fibers and/or comminuted plant material... | 08/23/2005 |
| 6927194 | Well kill additive, well kill treatment fluid made therefrom, and method of killing a well For well kill treatment to prevent the intrusion of formation fluids into the wellbore while the well is open, a well kill additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, filter aid, and optionally, a reinforcing materi... | 08/09/2005 |
| 6905639 | Fire retardant compositions with reduced aluminum corrosivity Corrosion-inhibited fire retardant compositions and methods of making and using the same are provided. The corrosion-inhibited fire retardant compositions are comprised of at least one fire retardant component, at least one biopolymer having a particle size diameter... | 06/14/2005 |
| 6845823 | Fluorosurfactant-free foam fire-extinguisher The present invention provides a foam fire-extinguishing agent devoid of environmentally harmful fluorochemical surfactant. The foam fire-extinguishing agent comprises a foamable synthetic surfactant consisting of (a) polyoxyethylene alkyl sulfate ester salt, and (b... | 01/25/2005 |
| 6776920 | Heat-absorbing gel material A gel is produced by magnetically treating and mixing two solutions and in one embodiment subsequently introducing carbon dioxide gas. The first solution is comprised of water and sodium bicarbonate, and the second solution is comprised of water and sodium silicate.... | 08/17/2004 |
| 6740250 | Fire suppressant having foam stabilizer A biodegradable, non-toxic firefighting concentrate composition. The preferred compositions include a mixture of a C14-C18 5 mole ethoxylated tallow amine, 2 mole ethoxylated coconut amine, and 5 mole ethoxylated coconut amine, wherein the blen... | 05/25/2004 |
| 6736989 | Reduction of HF The invention provides for a substantially non-aqueous, flame extinguishing composition for extinguishing a fire at the sight of a potential flame having a flurocarbon in admixture with a gelled powder additive having salts of weak acids which decompose at the tempe... | 05/18/2004 |
| 6726766 | Beads of a polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation, and their use for preparing optical single crystals The present invention is directed to polycrystalline alkali metal or alkaline earth metal beads, in particular CaF2 beads, having a diameter greater than or equal to 100 μm, advantageously between 100 μm and 2 cm, and an apparent density greater than 60... | 04/27/2004 |
| 6645390 | Composition and method for treating hydrocarbon fires A biodegradable, non-toxic firefighting concentrate composition. The preferred compositions include 4 to 40 parts of a tertiary amine having 2-10 ethoxy or other solubilizing groups per mol selected from the group consisting of one or more of a series of ... | 11/11/2003 |
| 6645391 | Visibility enhancement composition The invention is directed toward biodegradable, non-toxic firefighting concentrate compositions including a fluorescent type compound for foam visualization within the visible and ultraviolet light spectrum and a process for its use.... | 11/11/2003 |
| 6550750 | Apparatus for producing foamable compositions and other compositions An apparatus for making a long lasting foam. The apparatus includes an injection chamber, an expansion chamber and a coiled hose which extends therebetween. The coiled hose includes a plurality of turns. A pressure generating pump is provided to force a s... | 04/22/2003 |
| 6528544 | Aqueous foaming compositions, foam compositions, and preparation of foam compositions Described are compositions and methods useful for preparing foam compositions. The compositions and method relate to the production of a foam from a composition containing non-hydrated thickener.... | 03/04/2003 |
| 6518345 | Fire extinguishing composition A fire extinguishing composition is provided which, when compared with conventional fire extinguishing compositions, displays superior rapid fire extinguishing performance, flame resistance, fuel resistance and reignition prevention for both non-polar sol... | 02/11/2003 |
| 6495056 | Protein foam fire-extinguishing chemical and an aqueous foam solution According to the present invention, there can be provided a protein foam fire-extinguishing chemical having foaming properties making it usable as a foam fire-extinguishing chemical even diluted at a concentration of 2% by volume or less. In the protein f... | 12/17/2002 |
| 6451106 | Beads of polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation, and their use for preparing optical single crystals A polycrystalline alkali-metal or alkaline-earth metal (more particularly CaF2) fluorides, produced in an original form, namely in the form of beads; said beads having a diameter or equivalent diameter greater than or equal to 100 um, advantageously betwe... | 09/17/2002 |
| 6379578 | Water-based foam fire extinguisher A water-based foam fire extinguisher excellent in foaming properties and film-forming properties in a low temperature region which includes an aqueous solution of at least one member selected among potassium hydrogen carbonate, ammonium phosphate, ammoniu... | 04/30/2002 |
| 6342168 | Composition and method for reducing noise and/or fouling in a liquid cooling system A composition for use in reducing noise in a liquid-cooling system of an engine, eg an automotive engine, comprising an organo-polymeric microfibril material insoluble in the cooling liquid of the liquid-cooling system. Preferably the microfibril material... | 01/29/2002 |
| 6296781 | Fire retardant and fire extinguishing material A novel composition for the control of fire is disclosed. The novel composition can be used as a fire extinguisher or as a fire retardant. The composition is prepared by the admixture of a preferred amount of a selected emollient, a preferred amount of a ... | 10/02/2001 |
