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| Number | Title | Issue Date |
| 8142915 | Foamed slurry and building panel made therefrom A gypsum slurry is described that includes water, a hydraulic component comprising at least 50% calcined gypsum by weight based on the dry weight of the hydraulic component, foam, a defoamer and a polycarboxylate dispersant. In some embodiments of the invention, the... | 03/27/2012 |
| 8142914 | Gypsum-containing product and gypsum board The invention provides a set gypsum-containing product having increased resistance to permanent deformation and a method for preparing it comprising forming a mixture of a calcium sulfate material, water, and an appropriate amount of one or more enhancing materials ... | 03/27/2012 |
| 8133600 | Siloxane polymerization in wallboard Polymerization of siloxane is improved using a gypsum-based slurry that includes stucco, Class C fly ash, magnesium oxide and an emulsion of siloxane and water. This slurry is used in a method of making water-resistant gypsum articles that includes making an emulsio... | 03/13/2012 |
| 8048544 | Ceramics made of preceramic paper or board structures, method of producing the same and use thereof Ceramics are made of preceramic paper or board structures in a particular shape previously represented in a paper structure, in which the preceramic papers or boards have a content of ceramic fillers between 30 and 95 wt-%, with the ceramic fillers having a particle... | 11/01/2011 |
| 7976963 | Concrete product with enhanced ornamental surface layer A concrete product is provided having a body including an ornamental surface layer, an intermediate strengthening layer and a concrete substrate layer. The intermediate strengthening layer functions as a buffer between any air bubbles remaining in the concrete subst... | 07/12/2011 |
| 7914914 | Low embodied energy sheathing panels with optimal water vapor permeance and methods of making same Sheathing panels are produced by methods which do not require natural resources such as wood and use significantly reduced embodied energy when compared with the energy used to fabricate gypsum sheathing panels. A novel binder, consisting in one embodiment of monopo... | 03/29/2011 |
| 7910230 | High resistance gypsum parts and preparation method to obtain these parts The preparation of gypsum parts (dihydrate calcium sulfate) with high mechanical strength is obtained with the aid of water layers with nanometric thickness. Calcium sulfate is used, dihydrate as well as hemihydrate, to obtain parts from these two materials, pure or... | 03/22/2011 |
| 7811685 | Siloxane polymerization in wallboard Polymerization of siloxane is improved using a gypsum-based slurry that includes stucco, Class C fly ash, magnesium oxide and an emulsion of siloxane and water. This slurry is used in a method of making water-resistant gypsum articles that includes making an emulsio... | 10/12/2010 |
| 7790302 | Lightweight compositions and articles containing such A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ... | 09/07/2010 |
| 7776462 | Gypsum products utilizing a two-repeating unit dispersant and a method of making them A gypsum slurry includes water, a hydraulic component including stucco and a polycarboxylate dispersant. The dispersant has two repeating units wherein the first repeating unit is an olefinic unsaturated mono-carboxylic acid repeating unit or an ester or salt, and t... | 08/17/2010 |
| 7776461 | Gypsum products utilizing a two-repeating unit dispersant and a method for making them A gypsum slurry includes water, a hydraulic component including stucco and a polycarboxylate dispersant. The dispersant has two repeating units wherein the first repeating unit is an olefinic unsaturated mono-carboxylic acid repeating unit or an ester or salt, and t... | 08/17/2010 |
| 7771851 | Gypsum-containing products containing alpha hemihydrate The invention provides gypsum wallboard, made from gypsum-containing slurries having outstanding hydration rate characteristics comprising alpha-hemihydrate ground to a particular particle size distribution range and having a Blaine surface area in the range from ab... | 08/10/2010 |
| 7758980 | Gypsum-containing board and tile, and method for producing same The invention provides a set gypsum-containing product having increased resistance to permanent deformation and a method for preparing it comprising forming a mixture of a calcium sulfate material, water, and an appropriate amount of one or more enhancing materials ... | 07/20/2010 |
| 7736764 | Surface enhancing coating for gypsum-containing floor underlayments A coating for preparing a floor underlayment to receive an adhesive includes a water-soluble, latex polymer, a defoamer and a dual-function surface enhancing agent. The surface enhancing agent includes a set accelerator that also functions to cross link the adhesive... | 06/15/2010 |
| 7645527 | Gypsum-based building material A gypsum-based building material containing from 1 to 25% by weight of zeolites. ... | 01/12/2010 |
| 7608347 | Modifiers for gypsum slurries and method of using them An improved gypsum slurry that includes water, calcium sulfate hemihydrate, a polycarboxylate dispersant and a modifier. The modifier is chemically configured to improve the efficacy of the polycarboxylate dispersant. Preferred modifiers include cement, lime, slaked... | 10/27/2009 |
| 7572525 | Concrete curing blanket Curing blanket having a clear, transparent or opaque first layer and a second layer that is airlaid on the first layer. Another embodiment has a first layer, a second layer that is airlaid on the first layer, and a third layer disposed on the said second layer, with... | 08/11/2009 |
| 7504165 | High strength flooring compositions A composition is disclosed for a mixture to be used in conjunction with water for preparing a slurry that hydrates to form a high strength flooring compound. The mixture includes from about 50% to about 98% by weight calcium sulfate hemihydrate. A three repeating un... | 03/17/2009 |
| 7498090 | Combination including corrosion resistant composition A combination includes a composition providing corrosion resistance for application to a post-construction material, and a post-construction material, wherein the composition is applied to at least one surface of the post-construction material after the post-constru... | 03/03/2009 |
| 7413603 | Fiberboard with improved water resistance Articles, including fiberboard, are made from a pumpable, flowable slurry including alpha-calcined calcium sulfate hemihydrate anchored in pores of host particles, alpha-calcined calcium sulfate hemihydrate, a silicone compound, magnesium oxide, and water. The magne... | 08/19/2008 |
| 7348075 | System and method for fabricating three-dimensional objects using solid free-form fabrication A method for solid free-form fabrication of a three-dimensional object includes depositing a particulate blend in a defined region, the particulate blend including a calcium phosphate source, a reaction retardant, and a layered double hydroxide, and selectively ink-... | 03/25/2008 |
| 7338591 | Method for the cathodic prevention of reinforcement corrosion on damp and wet marine structures A method is described for preventing and comabating corrosion on semi-dry, moist and wet concrete marine structures, comprising that, against the surface of the structure to be protected on a permanent basis, there is fastened an inert, conductive material, pressed ... | 03/04/2008 |
| 7326478 | Cement binder based plate The invention concerns a plate whereof the body comprises a binder containing Portland cement, a sulphoaluminous clinker and a calcium sulphate source: the binder comprises, by weight 30 to 80% of Portland cement, 20 to 70% of sulphoaluminous binder, 5 to 20% of a c... | 02/05/2008 |
| 7294291 | Ceramicrete stabilization of U-and Pu-bearing materials A method of stabilizing nuclear material is disclosed. Oxides or halides of actinides and/or transuranics (TRUs) and/or hydrocarbons and/or acids contaminated with actinides and/or TRUs are treated by adjusting the pH of the nuclear material to not less than about 5... | 11/13/2007 |
| 7294195 | Water repellant gypsum compositions In at least one embodiment, the present invention relates to a gypsum composition suitable for use in the manufacture of construction materials comprising a) gypsum, b) water, and c) a water repellancy composition comprising a hydroxy-based cellulose and a siliconat... | 11/13/2007 |
| 7267888 | Products containing an anti-fungal amount of a salt of formic acid A building material adapted for controlling growth of vegetative fungi from spores having a compressed calcium sulfate layer, a paper layer over the sulfate layer, an adhesive for securing the paper layer to the sulfate layer; an amount of between about 30 wt % to 5... | 09/11/2007 |
| 7255738 | Lightweight cementitious composite material A lightweight cementitious composite material includes expanded synthetic polymer particulate having a particle size of between 0.0625 and 0.5 inches. A dispersant coating on said particulate suppresses electrostatic attraction between particulate particles. A matri... | 08/14/2007 |
| 7232498 | Tire with raised indicia The present invention provides a pneumatic tire comprising raised indicia on a sidewall of the tire, the raised indicia comprising a plurality of superposed layers of a curable elastomer composition. ... | 06/19/2007 |
| 7208225 | Prefabricated plaster board The present invention provides a construction assembly for interior works, comprising: prefabricated elements, preferably flat prefabricated elements e.g. gypsum fiberboards, cement fiberboards, gypsum wall boards or plaster boards... | 04/24/2007 |
| 7204880 | Rapid setting cement A cement formula including mono potassium phosphate, mono ammonium phosphate, magnesia, and fly ash exhibits rapid setting and high strength characteristics. ... | 04/17/2007 |
| 7198669 | Accelerator admixture An accelerator composition for use with sprayed cementitious compositions, which is an aqueous solution or dispersion of a blend of the essential Components 1–3 Component 1—aluminium sulphate Component 2—at least one of an alkanolamin... | 04/03/2007 |
| 7182808 | Accelerator admixture An accelerator composition for use with sprayed cementitious compositions, which is an aqueous solution or dispersion of a blend of the essential Components 1–3 Component 1—aluminium sulphate Component 2—at least one of an alkanolamin... | 02/27/2007 |
| 7172403 | Apparatus for preparing a gypsum wallboard core A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip agents, water-reducing agents, surfactants and, optional additives, throu... | 02/06/2007 |
| 7169464 | Aligned extrudate structure The present invention provides an improved composite material structure having large portions of additive material aligned over a substantial width of a material structure and occupying a larger percentage of the structure volume. The material structure includes a r... | 01/30/2007 |
| 7160383 | Composition and application of novel sprayable phosphate cement (grancrete) that bonds to styrofoam A dry mix particulate composition of a calcined oxide of Mg and/or Ca, an acid phosphate, and fly ash or equivalent, wherein the calcined oxide is present in the range of from about 17% to about 40% by weight and the acid phosphate is present in the range of from ab... | 01/09/2007 |
| 7155866 | Cementitious exterior sheathing product having improved interlaminar bond strength The present invention provides exterior building products, such as roofing and siding, shake, shingles, siding, sheathing, panels, planks, vertical siding, soffit panels, fencing, decking, fascia, corner posts, column corners and trim boards in which a plurality of ... | 01/02/2007 |
| 7105047 | Thermal protective coating A coating, method of coating and substrates coated thereby, wherein the coating contains an inorganic adhesive such as an alkali/alkaline earth metal silicate such as sodium silicate, potassium silicate, calcium silicate, and magnesium silicate; a filler such as a m... | 09/12/2006 |
| 7105587 | Method and composition for polymer-reinforced composite cementitious construction material A method and composition for polymer-reinforced composite cementitious construction materials is described. In one embodiment, a crosslinking component is mixed with a high molecular weight strengthening component and an inorganic cementitious material. The addition... | 09/12/2006 |
| 7101614 | Fire-proof material The fire-protection material for constructions made of concrete and prestressed concrete, especially for tunnels, in the form of prefabricated plates or sprayed-on and cured coatings is prepared from hydraulically curing compositions containing aluminous cement, opt... | 09/05/2006 |
| 7081290 | Quartz glass thermal sprayed parts and method for producing the same Parts, especially those formed of quartz glass, for film-forming devices, plasma-treating devices and the like have a problem of inner pollution of the devices with particles given by dropping of deposit films from the parts, a problem of hermetical sealing reductio... | 07/25/2006 |
