Silicon Containing Patents (Class 106/18.12)
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Patent number: 7459208Abstract: Improved foam glass products prepared from natural glasses, such as unexpanded fine perlite ore and expanded fine perlite, methods of producing the improved foam glass products, and methods of use thereof are provided. The improved foam glass product made from natural glasses has, for example, a thermal conductivity less than 0.70 Btu·in/hr·F·ft2 (0.101 W/m° K) at 73° F.(296° K), a compressive strength greater than 100 PSI (689 kPa) and a density less than 20 lb/ft3 (320 kg/m3). The improved foam glass product made from natural glasses may be used in a variety of applications including thermal and acoustic insulation applications.Type: GrantFiled: August 20, 2001Date of Patent: December 2, 2008Assignee: Advanced Minerals CorporationInventor: Bo Wang
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Patent number: 7438748Abstract: The present invention is a flame-retardant composition comprising a polyolefin polymer, a nano-silicate, a metal hydroxide, and calcium carbonate. The invention also includes a coating prepared from the flame-retardant composition as well as a wire-and-cable construction made by applying the coating over a wire or a cable. The invention also includes articles prepared from the flame-retardant composition, such as extruded sheets, thermoformed sheets, injection-molded articles, coated fabrics, roofing membranes, and wall coverings.Type: GrantFiled: February 11, 2004Date of Patent: October 21, 2008Assignee: Union Carbide Chemicals & Plastics Technology LLCInventors: Jeffrey M. Cogen, Thomas S. Lin
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Patent number: 7416589Abstract: An air-droppable wildfire retardant composition including Lassenite N pozzolan is a natural siliceous (amorphous) mineral, consisting of the layers of diatoms and volcanic tuffs of Northern California's Cascade Range. The Lassenite pozzolan is mixed with a thickener such as Bentonite clay, a measured volume of water forming a slurr-type mixture capable of suspending the particles of pozzolan in a mixture having a viscosity sufficient to avoid solids separation. The inventive fire retardant contains substantially three innocuous ingredients which have no harmful effects to the atmosphere, plant, or animal life.Type: GrantFiled: November 13, 2006Date of Patent: August 26, 2008Assignee: Versa Terra InternationalInventors: Harry Harvey Chappell, Darius Chung, Robert R. Swinney
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Patent number: 7341620Abstract: A sound-absorbing and fire-insulating wall covering includes, a cured mixture of: (i) 5-20% by weight mineralized wood fibre; (ii) 20-60%/by weight sand with an SiO2 content of less than 5% by weight and a greywacke content of at least 30% by weight; and (iii) 20-50% by weight cement. A method of preparing a fire-insulating wall covering includes a step of mixing, relative to the cured weight, 5-20% by weight mineralized wood fibre, 30-60% by weight sand with an SiO2 content smaller than 5% by weight and a greywacke content of at least 30% by weight, and 20-50% by weight cement. Then 10-30% by weight water is added. Thereafter the mixture is cured to form the fire-insulating wall covering.Type: GrantFiled: April 8, 2004Date of Patent: March 11, 2008Assignee: Durisol International Corp.Inventors: Reinhard Walter, Arend Johan Veldhoen
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Patent number: 7300502Abstract: Preservative compositions for wood products are described. The compositions include at least one boron-containing material, such as but not limited to boric anhydride, and at least one silane-containing material, such as but not limited to methyltrichlorosilane. Optionally, at least one solvent, such as tetrahydrofuran, pentane, or water, may also be employed in the compositions. The compositions impart protection to the treated wood products, especially damage caused by exposure to water and insects.Type: GrantFiled: June 6, 2006Date of Patent: November 27, 2007Assignee: Woodholdings Environmental, Inc.Inventor: Michael M. Thompson
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Patent number: 7300513Abstract: Provided is a composition for coating that can form a waterproof siliceous coating film. To impart water resistance to a film formed by binder of alkali silicate, radioactive material is used in combination with the binder. Additionally, inorganic filler, inorganic body pigment, inorganic color pigment, additive, and water are used in combination, thereby attaining a coating film that combines water resistance, acid resistance, and non-flammability.Type: GrantFiled: November 3, 2005Date of Patent: November 27, 2007Inventor: Fukashi Momose
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Patent number: 7297192Abstract: The invention relates to a flame retardant, comprising (A) a triazine-phenolic resin, (B) a nitrogen-containing compound, and (C) at least one metal compound, wherein said triazine-phenolic resin has formula (I): wherein, m and n are independently an integer ranging from 1 to 10 and R is OH, NH2, COOH, SO3H, C(O)H, or CH3CONH. The invention further relates to flame-retardant resin composition containing the above flame retardant and its use.Type: GrantFiled: May 15, 2006Date of Patent: November 20, 2007Assignee: Eternal Chemical Co., Ltd.Inventors: Shun-Jen Ghiang, Shih-Feng Huang, Kwang-Ming Lee
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Publication number: 20070234930Abstract: The present invention consists of an aqueous putty or liquid suspension, formed by a mix of components a) and b) which are described as follows: a) An anhydrous silicate of an alkaline metal or alkaline terreous, in any of its forms (in dust, particles, granulates or fibers), or a hydrated silicate of an alkaline metal or alkaline terreous (in dust, particles, granulates or fibers), or a mix of both. b) A component of titanium. and optionally, in addition, of components c), d), e) and f), described as follows: c) one or more neutral or acid salts, of mono or poli ammonia d) fungicide components e) antibacterial components f) odor-controlling components This putty can be utilized to stop or retard fire, as a coating or incorporated into granulated or aminated components, or in finished moulded products and similar items.Type: ApplicationFiled: April 10, 2007Publication date: October 11, 2007Inventor: Juan Pablo Moreno G.
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Patent number: 7267714Abstract: Preservative compositions for wood products are described. The compositions include at least one boron-containing material, such as but not limited to boric anhydride, and at least one silane-containing material, such as but not limited to methyltrichlorosilane. Optionally, at least one solvent, such as tetrahydrofuran, pentane, or water, may also be employed in the compositions. The compositions impart protection to the treated wood products, especially damage caused by exposure to water and insects.Type: GrantFiled: June 6, 2006Date of Patent: September 11, 2007Assignee: Woodholdings Environmental, Inc.Inventor: Michael M. Thompson
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Patent number: 7211318Abstract: Disclosed is an incombustible composition for a fire door/wall, the fire door/wall using the incombustible composition, and a method of producing the fire door/wall. The incombustible composition includes 1 to 80 wt % of organic or inorganic fiber, 1 to 80 wt % of fly ash or bottom ash, 1 to 80 wt % of fire-proofing agent, 1 to 30 wt % of curing fire-retardant resin, and 1 to 40 wt % of incombustible hollow filler.Type: GrantFiled: September 28, 2004Date of Patent: May 1, 2007Inventors: Sang-Hoon Lee, Jun-Han Choi, Byung-Ick Yoon
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Patent number: 7128778Abstract: Preservative compositions for wood products is described. The compositions include at least one boron-containing material, such as but not limited to boric anhydride, and at least one silane-containing material, such as but not limited to methyltrichlorosilane. Optionally, at least one solvent, such as tetrahydrofuran, pentane, or water, may also be employed in the compositions. The compositions impart protection to the treated wood products, especially damage caused by exposure to water and insects.Type: GrantFiled: June 6, 2001Date of Patent: October 31, 2006Assignee: Woodholdings Environmental, Inc.Inventor: Michael M. Thompson
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Patent number: 7087105Abstract: An air-droppable wildfire retardant composition including Lassenite N pozzolan is a natural siliceous (amorphous) mineral, consisting of the layers of diatoms and volcanic tuffs of Northern California's Cascade Range. The Lassnite pozzolan is mixed with a thickener such a Bentonite clay, a measured volume of water forming a slurry-type mixture capable of suspending the particles of pozzolan in a mixture having a viscosity sufficient to avoid solids separation. The inventive fire retardant contains substantially three innocuous ingredients which have no harmful effects to the atmosphere, plant, or animal life.Type: GrantFiled: June 16, 2005Date of Patent: August 8, 2006Inventors: Harry H. Chappell, Darius Chung, Robert R. Swinney
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Patent number: 7045080Abstract: A fire retardant, intumescent, ceramic coating composition comprising an aqueous ceramic intumescent binder, intumescent ceramic particles, mineral fibers and a wetting agent is described. The intumescent ceramic binder comprises a mixture of a liquid alkali metal silicate, mineral fibers and a wetting agent. The coating provides enhanced intumescence and insulative properties suitable for application to structural steel and wood building materials.Type: GrantFiled: July 15, 2004Date of Patent: May 16, 2006Assignee: Barrier Dynamics LLCInventor: Roger W. Youngs
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Patent number: 6918954Abstract: The present invention is directed to a colloidal aqueous silicate dispersion containing silica and alumina, the molar ratio between silica and alumina being 2-12, as well as to a method for its preparation. Said method is characterized by dissolving a particulate mineral material, such as a mineral wool or fiber product containing silica and alumina in a molar ratio of 2-12 in an aqueous solution, nucleating and stabilizing the so obtained solution, and optionally adjusting the dry matter content of the dispersion so obtained. The said dispersion can also be made to gel. The invention is also directed to the use of the dispersion as a binder.Type: GrantFiled: June 19, 2001Date of Patent: July 19, 2005Assignee: Paroc Group Oy ABInventors: Michael Perander, Jean Le Bell
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Patent number: 6905693Abstract: An intumescent polymer composition includes a matrix polymer, an acid catalyst source, a nitrogen source and an ionic phyllosilicate synergist having substantial cationic exchange capacity.Type: GrantFiled: June 3, 2003Date of Patent: June 14, 2005Assignee: PABU Services, Inc.Inventors: Leonard J. Chyall, Harry A. Hodgen, Frederick J. Vyverberg, Robert W. Chapman
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Patent number: 6846004Abstract: A new adhesive coating composition, particularly for use on airbag fabrics, which is composed of a silicone polymer and an appreciable level of a copolymer of ethylene and a polar monomer, is provided. This coating provides excellent adhesive properties to the coated fabric and provides a synergistic effect such that lower gas permeability upon inflation may be obtained with this coating than might be achieved with the silicone polymer alone. Additionally, such a coating allows maximization of the adhesion characteristics on one-piece woven airbag fabric such that blistering upon high-pressure inflation can be reduced, while retaining a high degree of inflation gas retention. Fabric treated with this material in the manner described herein permits reduction in the cost of the coating itself (by reducing the use of expensive silicone polymers). Airbag fabrics and cushions, as well as methods of making and using such a novel airbag coating material are also encompassed within this invention.Type: GrantFiled: September 24, 2002Date of Patent: January 25, 2005Assignee: Milliken & CompanyInventor: Richard Henry Parker
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Patent number: 6821631Abstract: A method of treating substrates, such as wood, including the steps of applying an alkali silicate solution to one or more substrates and applying an alkali borate solution with boric oxide (B2O3) content to the substrates. Substrates that have been treated using the present method include a borate-silicate polymer within the substrate. When the present substrates are wood, wood products, or green lumber, they may be used to build structures.Type: GrantFiled: October 28, 2002Date of Patent: November 23, 2004Assignee: Wood treatment Products, Inc.Inventors: Robert N. Grantham, Robert R. Weaver, III
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Publication number: 20040194657Abstract: The present invention relates to a fire-retardant material. More specifically, the present invention relates to a fire-retardant coating that shields underlying substrates from thermal insult, and a method for making such fire-retardant composition. The invented coating is especially applicable to cellulose-based building materials including but not limited to fiberboards, wallboards, roofing materials, particleboards, ceiling tiles, soundproofing boards and hardboards. The present composition is also useful in providing a fire-resistant coating for concrete, metals, foamed polymeric materials, gypsum and other building materials. The composition generally comprises: a phosphate, a metal oxide, a silicate, a silica containing filler and water.Type: ApplicationFiled: April 5, 2004Publication date: October 7, 2004Inventor: Thomas Lally
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Publication number: 20040166246Abstract: A process for reducing the rate of deterioration of wood that includes contacting the wood with an aqueous alkanline colloidal silicon-containing slat composition that is supersaturated with a boron-containing salt. The contacting may be at ambient or elevated temperature and pressure. The composition is an aqueous colloidal silicon-containing salt that is supersaturated with a boron-containing salt and optionally includes an aluminum salt and a preservative. The composition is made by mixing the boron-containing salt with a colloidal, aqueous mixture of a silicon-containing salt and optionally adding the aluminum salt and the preservative. The process is performed under conditions that result in a supersaturated solution of the boron-containing salt. Wood treated with the composition appears to be resistant to insects, rot, UV deterioration, fire, and other environmental insults. The wood also appears to have increased strength.Type: ApplicationFiled: March 8, 2004Publication date: August 26, 2004Inventor: Robert R Holcomb
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Patent number: 6730148Abstract: An inorganic fire-proof coating material can form a coat film to be transformed into a foamed layer demonstrating quite superior heat insulation ability by uniform foaming as subject to heat, such as that upon fire to prevent softening of the steel material coated by the coat film for a long period to be sufficiently practically applicable as a fire-proofing coat for steel frame structure or the like, and an inorganic fire-proof structure formed by coating the fire-proof coating material. The fire-proof coating material is consisted of an aqueous paste containing water soluble alkaline silicate in a content greater than or equal to 30 Wt % in components excluding water, holmite series mineral powder, and SiO2 supplying components other than water soluble alkaline silicate and holmite series mineral.Type: GrantFiled: July 30, 2002Date of Patent: May 4, 2004Assignees: Kawaguchi-Mac Industry Co, Ltd, Osaka Oil & Fat Co., Ltd.Inventor: Fujio Kondo
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Publication number: 20040031415Abstract: An activated silicon-containing aluminum complex explosion and flame-proofing agent containing minor amounts of hydrogen, silicon, oxygen and hydrogen, the silicon being present in amounts of at least trace and having a hexagonal structure; the ratio oxygen and hydrogen in the complex usually being 16:18 and the process for making such complex comprises the steps of treating substantially pure aluminum with acid, then with mercury, then with a halogen acid again to form a slurry. The same slurry is then treated with liquid oxygen and changing the oxygen-hydrogen ratio to 20:18. The same slurry is then dried to crystalline form which, when diluted and added to flammable liquids, like alcohol, acetone, gasoline, petroleum-products, jet-fuel etc., make them explosion and flameproof. If diluted in the required proportion and applied on paper, paper pulp, cellulose pulp, plywood, clothing, textiles and any structurally porous material, it makes them flameproof.Type: ApplicationFiled: August 19, 2002Publication date: February 19, 2004Applicant: BB Technology Consultants, Inc.Inventors: Fred Bernat, Siqing Song-Destro
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Publication number: 20040031414Abstract: An activated silicon-containing aluminum complex flame-proofing agent containing minor amounts of halogen, silicon, oxygen and hydrogen. The silicon being present in amounts of at least trace and having a hexagonal structure; the ratio oxygen to hydrogen in the complex usually being 16:18 and the process for making such complex comprises the steps of treating substantial pure aluminum with acid, then with mercury, then with a halogen acid again to form a slurry. The slurry is then applied on paper, paper pulp, cellulose pulp, plywood, clothing, textiles and any structural porous material for flame-proofing same. Coincidentally, when applied to certain toxic compounds and complexes in a certain way, it renders them non-toxic.Type: ApplicationFiled: August 19, 2002Publication date: February 19, 2004Applicant: BB Technology Consultants, Inc.Inventors: Fred Bernat, Siqing Song-Destro
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Publication number: 20040031416Abstract: A solution for forming a fire resistant coating on substrates such as timber comprises an aqueous solution of an alkali metal silicate containing from about 5 to about 70% by weight of the alkali metal silicate and having dispersed therein a filer in an amount of from about 5 to about 60%. The filler is preferably an intumescent material such as a graphite capable of exfoliation. The solution may be applied by brushing or spraying onto timber in a mine to form coatings from 1 to 4 mm in thickness.Type: ApplicationFiled: June 9, 2003Publication date: February 19, 2004Inventors: Roderick MacDonald Smart, Willem Johannes Crous
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Publication number: 20040011246Abstract: The present invention is directed to a colloidal aqueous silicate dispersion containing silica and alumina, the molar ratio between silica and alumina being 2-12, as well as to a method for its preparation. Said method is characterized by dissolving a particulate mineral material, such as a mineral wool or fiber product containing silica and alumina in a molar ratio of 2-12 in an aqueous solution, nucleating and stabilizing the so obtained solution, and optionally adjusting the dry matter content of the dispersion so obtained. The said dispersion can also be made to gel. The invention is also directed to the use of the dispersion as a binder.Type: ApplicationFiled: May 19, 2003Publication date: January 22, 2004Inventors: Michael Perander, Jean Le Bell
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Patent number: 6645278Abstract: An intumescent powder where the molar ratio of SiO2 to Li2O+Na2O+K2O is between 2.20 to 3.70 to 1.00 and the molar ratio of Li2O to Li2O+Na2O+K2O is 0.20 to 0.35 has an intumescent point of 195° C. or higher and thus will not prematurely intumesce if mixed with another material at temperatures below 195° C. The powder as used is usually dried to 8-12% by weight to moisture for most purposes is ground to 50 to −500 microns. Preferred methods of manufacture comprise taking a source of lithium hydroxide or lithium silicate and a source of sodium silicate to create a powder with ratios as outlined above.Type: GrantFiled: July 5, 2002Date of Patent: November 11, 2003Assignee: Pyrophobic Systems Ltd.Inventors: Kevin B. Langille, Dat T. Nguyen, Dwight E. Veinot, Jorgen O. Bernt
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Patent number: 6641649Abstract: An aqueous fire resistance treatment composition consisting of water, sodium silicate, a calcined filler and a latent acid catalyst is disclosed. The composition may be applied to cardboard substrates such as corrugated cardboard. The composition is then cured to provide enhanced fire resistance.Type: GrantFiled: October 15, 2002Date of Patent: November 4, 2003Assignee: Novio Phenolic Foam Pty LtdInventors: Anthony Jacob John, Per Ingmar Quist
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Publication number: 20030151034Abstract: An intumescent powder where the molar ratio of SiO2 to Li2O +Na2O+K2O is between 2.20 to 3.70 to 1.00 and the molar ratio of Li2O to Li2O+Na2O+K2O is 0.20 to 0.35 has an intumescent point of 195° C. or higher and thus will not prematurely intumesce if mixed with another material at temperatures below 195° C. The powder as used is usually dried to 8-12% by weight to moisture for most purposes is ground to 50 to −500 microns. Preferred methods of manufacture comprise taking a source of lithium hydroxide or lithium silicate and a source of sodium silicate to create a powder with ratios as outlined above.Type: ApplicationFiled: July 5, 2002Publication date: August 14, 2003Inventors: Kevin B. Langille, Dat. T. Nguyen, Dwight E. Veinot, Jorgen O. Bernt
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Patent number: 6586109Abstract: A method for not only preserving cellulose material from deterioration and from fire, but also for producing plywood, chip and particle aborad with an inexpensive and environmentally acceptable adhesive is described. The cellulose material is processed by spraying, immersing or being subjected to vacuum and pressure application in two steps. One step processes the cellulose material with a sodium silicate preservative solution. Another step processes the cellulose material with a gaseous carbon dioxide. Pressure application, moreover, can be varied in a range not to exceed 250 psi to improve product quality. Moistened cellulose material, treated in the foregoing manner, is coated with a comminuted protein, e.g. soybean meal, and pressed into a cellulose product, typically plywood and chip board.Type: GrantFiled: September 21, 2001Date of Patent: July 1, 2003Assignee: Premier Wood Treating, LLCInventor: James N. Ray
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Publication number: 20030116054Abstract: An aqueous fire resistance treatment composition consisting of water, sodium silicate, a calcined filler and a latent acid catalyst is disclosed. The composition may be applied to cardboard substrates such as corrugated cardboard. The composition is then cured to provide enhanced fire resistance.Type: ApplicationFiled: October 15, 2002Publication date: June 26, 2003Inventors: Anthony Jacob John, Per Ingmar Quist
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Publication number: 20030098435Abstract: An improved fire retardant cellulose insulation with reduced density and reduced settling. A method consists of adding a material, the fibers of which have a positive electrostatic charge, is added onto a shredded newspaper base either before or after the addition of a pre-coat, consisting of a mixture of an inorganic, non-hygroscopic powder and an antistat. A fire retardant agent is then added and the materials are ground in a finish mill. The newspaper fibers become positioned at an angle to the paper pieces, increasing the distance between the paper pieces, thereby lowering the density of the cellulose. Increasing the amount of antistat will decrease settling at the expense of increasing density. Adding water to he insulation system will neutralize static electricity and minimize settling. Fibers such as ground cardboard, wood mulch, sawdust, fiberglass fibers and polyester fibers are examples of materials with electrostatically positively charged fibers.Type: ApplicationFiled: January 10, 2003Publication date: May 29, 2003Inventor: Leonard D. Rood
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Patent number: 6569788Abstract: Coated inflatable fabrics and more particularly concerns airbag cushions to which very low add-on amounts of silicone-based coating have been applied and which exhibit extremely low air permeability are provided. The inventive inflatable fabrics are primarily for use in automotive restraint cushions that require low permeability characteristics (such as side curtain airbags). Traditionally, heavy, and thus expensive, coatings of compounds such as neoprene, silicones, and the like, have been utilized to provide such required low permeability. The inventive fabric utilizes an inexpensive, very thin, substantially uniform silicone coating to provide such necessarily low permeability levels. Thus, the inventive coating comprises at least a single layer comprising a majority of silicone-based material, wherein the total thickness of the single layer is at most about 3.0 ounces per square yard as applied to a target fabric surface.Type: GrantFiled: June 16, 2000Date of Patent: May 27, 2003Assignee: Milliken & CompanyInventors: Michael D. Hurst, Edwin Hersey
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Patent number: 6554893Abstract: The present invention describes an improved building material composition, useful for example as a fire door core and to improved methods of making this composition. The building material of the present invention consists essentially of expanded perlite, a fireproof binder, clay or vermiculite, and optionally diatomaceous earth, one or more viscosity-enhancing components, reinforcement fibers, and a plasticizer or mixtures thereof. The method of making this improved composition is a semi-continuous batch press method wherein at least the expanded perlite, fireproof binder, and clay or vermiculite are mixed; the mixture compressed in a mold, and the compressed mixture dried.Type: GrantFiled: November 2, 2001Date of Patent: April 29, 2003Assignee: Georgia-Pacific CorporationInventor: Donald F. Klus
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Publication number: 20030044630Abstract: Fire-resistant prefabricated structural element having a relatively small average thickness, comprising a substrate based on cured plaster, said substrate being able to be obtained by hydration, for example mixing, of dry matter comprising mostly at least a hydratable calcium sulfate, and a mineral additive in discrete form, comprising a clayey material, characterized in that the mineral additive essentially comprises a clayey material, the quantity of crystalline silica of which is at most equal to approximately 15% by weight of said mineral additive, and an inert mineral supplement compatible with the clayey material and dispersible in the cured-plaster substrate.Type: ApplicationFiled: February 10, 2000Publication date: March 6, 2003Inventor: Claude Leclercq
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Patent number: 6506715Abstract: An automobile wash and wax composition suitable for simultaneously washing and waxing a soiled exterior surface of a vehicle without buffing. The automotive wash and wax composition being an aqueous emulsion containing an anionic surfactant, a silicone oil, an amino-functional silicone, a wax, and a cationic emulsifier. The wash and wax composition is applied to a pre-wetted exterior surface of a vehicle so as to substantially coat the surface of the vehicle that requires cleaning and polishing. After the coated surface has substantially dried, the surface is washed with a sufficient quantity of water to rinse away the soil particles and the residue of the anionic surfactant, leaving behind a durable, evenly distributed, high-gloss, water resistant protective film of silicones and wax on the vehicle surface, without any buffing of the surface.Type: GrantFiled: January 10, 2002Date of Patent: January 14, 2003Assignee: Turtle Wax, Inc.Inventors: Michael A. Schultz, Denis John Healy
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Patent number: 6479156Abstract: The invention relates to a nanocomposite for thermal insulation especially for fireproofing purposes, which can be obtained by combining (A) at least 35 wt. % of nanoscaled, optionally surface-modified particles of an inorganic compound; (B) 10-60 wt. % of a compound with at least two functional groups which can react and/or interact with the surface groups of nanoscaled particles (A), (C) 1-40 wt. % of water and/or an organic solvent which has no functional groups or only one which is defined in (B), wherein the above-mentioned percentages relate to the sum of components (A), (B) and (C), and (D)=0-10 wt. % (based on the nanocomposite) of additives.Type: GrantFiled: November 12, 1999Date of Patent: November 12, 2002Assignee: Institut für Neue Materialien gemeinnützige GmbHInventors: Helmut Schmidt, Martin Mennig, Gerhard Jonschker
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Patent number: 6425947Abstract: The invention relates to compositions for the application of coatings primarily to wood and metal structures and installations, which have high fireproofing and thermal insulation properties, and can be used in construction, the aircraft industry, rail transport and shipbuilding. The composition includes a foaming system, which itself includes pentaerythritol or sorbitol, ammonium polyphosphate, boric acid, urea, filler and pigment, and also resin as a binder.Type: GrantFiled: July 27, 2001Date of Patent: July 30, 2002Assignee: Isle Firestop LimitedInventors: Alexandr A. Berlin, Nikolai A. Khalturinsky, Tatyana A. Rudakova, Jury M. Evtushenko
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Patent number: 6387518Abstract: A composition which is useful for producing profiles and cable insulation which retain their function in the event of fire, comprise peroxidically crosslinking or condensation-crosslinking silicone rubber, metal oxides selected from magnesium oxide, aluminum oxide, tin oxide, calcium oxide and barium oxide and metal compounds of this class which produce oxides on heating, boric acid, zinc borate, and a platinum complex having at least one unsaturated group.Type: GrantFiled: December 1, 1999Date of Patent: May 14, 2002Assignee: Wacker-Chemie GmbHInventors: Dietrich Wolfer, Wilhelm Marsch, Peter Gerhardinger
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Patent number: 6340389Abstract: The present invention describes improved fire door cores and improved methods of making these fire door cores. The fire door core of the present invention comprises expanded perlite, a fireproof binder, fire clay or vermiculite, and optionally one or more viscosity-enhancing components, fiberglass, or both. The method of making this improved fire door core is a semi-continuous batch press method wherein the expanded perlite, an fireproof binder, fire clay or vermiculite are mixed; the mixture compressed in a mold, and the compressed mixture dried.Type: GrantFiled: December 18, 2000Date of Patent: January 22, 2002Assignee: G-P Gypsum CorporationInventor: Donald F. Klus
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Patent number: 6337036Abstract: A composition is disclosed for use as a conductive coating for applying to various substrates. The composition has a particulate conductive component and temperature resistant component. The temperature resistant component contains an organic-mineral compound. The molar ratio of the conductive component to the temperature resistant component is (15-45):1, and the temperature resistant component is an aqueous solution of quaternary ammonium silicate having a silicate modulus of at least 4 and containing organic radicals with at least four atoms of carbon.Type: GrantFiled: February 9, 2000Date of Patent: January 8, 2002Assignee: Amsil Ltd.Inventors: Valeria Karchevsky, Oleg Figovsky, Freddy Romm, Olga Aksenov, Zahar Fiskin, Anna But
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Patent number: 6322622Abstract: A flame spray mending material effective for applying a dense thermal spray mending layer to a silica brick wall of an industrial furnace, having a high crystallization ratio immediately after thermal spraying in a broad thermal spray condition, having an oxide concentration of 89% by weight or more of SiO2, more than 2.0 to 4.0% by weight of Na2O and/or more than 0.2 to 4.0% by weight of Li2O, having a 80% or more crystallization ratio after thermal spraying and 200 kgf/cm2 or more compression strength. A slight amount of CaO may be present to make a flame spray mending material with an oxide concentration of 89% by weight or more of SiO2, more than 2.0 to 5.0% by weight of CaO, 0.5 to 4.0% by weight of Na2O and/or more than 0.2 to 4.0% by weight of Li2O, and 1.0% by weight of less of Al2O3.Type: GrantFiled: November 26, 1999Date of Patent: November 27, 2001Assignee: Kawasaki Steel CorporationInventors: Hisahiro Matsunaga, Masato Kumagai, Yasumasa Fukushima
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Patent number: 6280839Abstract: A nonhygroscopic thermally stable aluminum hydroxide, which is particularly useful for the preparation of thermally stable and fire retardant laminates for printed circuit boards.Type: GrantFiled: May 21, 1999Date of Patent: August 28, 2001Assignee: Alusuisse Martinswerk GmbHInventors: Neil Brown, Michael Aggleton
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Patent number: 6261355Abstract: A binder adjuvant used in engineering includes in aqueous solution, a mixture of a water-soluble cellulose ether and of an antifoaming agent.Type: GrantFiled: November 16, 1998Date of Patent: July 17, 2001Assignees: Abdelmalek LouhibiInventors: Nizar Al Kassem, Haisan Al Rifai
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Patent number: 6187447Abstract: Anti-fouling coatings comprise a room temperature vulcanizable polyorganosiloxane composition and a polyorganosiloxane free from silanol groups and comprising at least one hydroxy- or alkoxy-terminated polyoxyalkylenealkyl radical. The latter is capable of blooming to the surface of the cured room temperature vulcanizable composition, thus inhibiting the deposition of marine life on the coated article.Type: GrantFiled: May 22, 2000Date of Patent: February 13, 2001Assignee: General Electric CompanyInventors: Judith Stein, Timothy Brydon Burnell, James Anthony Cella
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Patent number: RE39804Abstract: Inorganic resin compositions comprising, in combination, an aqueous solution of metal phosphate, an oxy-boron compound, a wollastonite compound and other optional additives, inorganic composite articles and products reinforced by fillers and fibers including glass fibers obtained from these compositions and processes for preparing said products.Type: GrantFiled: November 17, 1995Date of Patent: September 4, 2007Assignee: Vrije Universiteit BrusselInventors: Xiao Wu, Jun Gu