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| Number | Title | Issue Date |
| 7510609 | Low-density cement compositions, density-reducing additives, and methods of use Density-reducing additives comprising low-density particulates, and cement compositions comprising such additives, are provided. In one embodiment, the present invention provides a cement composition comprising: a cement component; a density-reducing additive compri... | 03/31/2009 |
| 7255170 | Foamed cement compositions, additives, and associated methods Exemplary embodiments relate to cementing operations and, more particularly, to foamed cement compositions, foaming and stabilizing additives, and associated methods. A foaming and stabilizing additive, that comprises a mixture of an alkali salt of an alkyl ether su... | 08/14/2007 |
| 7013975 | Foamed cement slurries, additives and methods The present invention relates to foamed cement slurries, additives and methods. A foamed cement slurry of the invention comprises a hydraulic cement, sufficient water to form a slurry, sufficient gas to form a foam and an environmentally benign foaming and stabilizi... | 03/21/2006 |
| 6907708 | Lightweight wall construction A low or no fines lightweight concrete mixture. The mixture comprises one part by volume of a cementitious binder, 2-10 parts inert coarse aggregate, a cement additive in an amount of 0.05 to 0.3% by weight of the cementitious binder and an effective amount of water... | 06/21/2005 |
| 6902614 | Perlited Portland cement plaster joint compound additive with lime A composition and method for treating a surface is described. In one embodiment, the composition comprises about 10% to 90% by weight of cement, about 10% to 90% by weight of plaster, about 0.01% to about 20% by weight of lime, and about 0% to about 30% by weight of... | 06/07/2005 |
| 6670293 | Porous calcium phosphate cement A kit and a method for making a porous cement which self sets to hydroxyapatite and has an interconnected porosity is produced by mixing a calcium source and a phosphate source with a carbonate source and mixing this powdered component with a liquid compo... | 12/30/2003 |
| 6569405 | Preparation of diagnostic agents Microcapsules are prepared by a process comprising the steps of (i) spray-drying a solution or dispersion of a wall-forming material in order to obtain intermediate microcapsules and (ii) reducing the water-solubility of at least the outside of the interm... | 05/27/2003 |
| 6547866 | Porous calcium phosphate cement A kit and a method for making a porous cement which self sets to hydroxyapatite and has an interconnected porosity is produced by mixing a calcium source and a phosphate source with a carbonate source and mixing this powdered component with a liquid compo... | 04/15/2003 |
| 6367550 | Foamed well cement slurries, additives and methods The present invention provides improved foamed well cement slurries, additives and methods. The foamed well cement slurries are basically comprised of a hydraulic cement, sufficient water to form a pumpable slurry, sufficient gas to form a foam and an eff... | 04/09/2002 |
| 6238476 | Method of curing drywall compound A method of reducing the curing time of drywall joint compound, and thereby reducing the time required to finish drywall joints or to repair plaster walls, includes adding a predetermined amount of a drying agent to a conventional ready-mixed drywall join... | 05/29/2001 |
| 6162839 | Composition for producing light plaster, production of the foaming agent used therefor and its use A composition for producing light plaster contains as main constitutive elements particles of plaster in anhydride or hemihydrate form and at least one foaming agent. The composition is characterized in that the foaming agent generates gas after a delay o... | 12/19/2000 |
| 6022525 | Preparation of diagnostic agents Microcapsules are prepared by a process comprising the steps of (i) spray-drying a solution or dispersion of a wall-forming material in order to obtain intermediate microcapsules and (ii) reducing the water-solubility of at least the outside of the interm... | 02/08/2000 |
| 5663218 | Protection from shocks, capable of deforming progressively and in an irreversible manner Process for protecting articles from shock comprising encasing such articles in a plurality of molded blocks of a composition capable of progressively and irreversibly deforming in response to such shocks, said composition comprising cellulosic fibers dis... | 09/02/1997 |
| 5196060 | Air-entraining adjuvant containing blood plasma as a substitute for synthetic colloid, and product obtained The present invention relates to an air-entraining adjuvant. This adjuvant comprises animal whole blood and/or cruor serving as the actual air-entraining agent, and also comprises blood plasma as a stabilizer for the entrained air, preferably in pulverulent or... | 03/23/1993 |
| 5160540 | Method for producing of concrete with controllable density A method for producing a concrete with a controllable density, which at the density of 1200 kg/m3 has a compression strength of at least 3.5 MPa and after that linearly increases to at least 19 MPa at 2,000 kg/m3, characterized in mi... | 11/03/1992 |
| 5084101 | Process for the preparation of an open-pore foam from essentially inorganic components A composition for the production of an open-pore foam product from essentially inorganic components contains, in addition to known components, a rock-forming solid substance, a curing agent, a foaming additive, and an at least partly alkali-soluble protei... | 01/28/1992 |
| 5049196 | Method of wetting a cement or gypsum-bonded fibrous mixture of building materials A simple and inexpensive method of wetting a cement or gypsum-bonded fibrous mixture of building materials using water is characterized in that the water is added to the mixture of building materials at least partially in the form of a foam containing at ... | 09/17/1991 |
| 4708745 | Process for the preparation and application in situ of blends of structural material A process for the preparation and immediate use in situ of ready to use blends of structural material, such as plaster, mortar, stucco, tile adhesive or similar blends, which, in contrast to the usual methods does not use as a raw material a dry mixture o... | 11/24/1987 |
| 4612333 | Foamed gypsum filter containing carbonaceous material A filter composition is formed from a foamed gypsum combined with fine particulate carbonaceous material such as activated carbon, dried blood and comminuted vegetable matter. The combination of activated carbon with dried blood provides a particularly ef... | 09/16/1986 |
| 4391647 | Spackeling composition A composition is disclosed for spackeling or joint compound or as a stucco composition including hollow silica particles. Also, disclosed is a preferred composition comprising the following components in the indicated proportions: from about 3 to about 7 ... | 07/05/1983 |
| 4383862 | Concrete A method of producing aerated concrete, that is, concrete in which a gas is entrained, comprises forming a mortar mix, which includes all the components of the concrete except for the gas. The mix is then pumped at a predetermined rate, to blending means.... | 05/17/1983 |
| 4373955 | Lightweight insulating concrete A lightweight insulating concrete having a K value of not more than 0.75, a compressive strength of at least 125 psi and consisting essentially of portland cement, pumice, silica and pulping waste liquor solids. A method of producing a foamed insulating concre... | 02/15/1983 |
| 4203674 | Use of blood in the cement, mortar and concrete industry for obtaining a lightened material The present invention relates to the use of blood in the construction and building industry, whereby blood and extracts of blood containing haemoglobin are used as air entraining colloids. The recommended process for preparing a lightened material consist... | 05/20/1980 |
| 4036656 | Foamed mastic composition, building articles coated therewith, and method of preparing same The invention disclosed is for an improved foamed mastic composition comprising a magnesia cement, building articles coated therewith in light porous foamed form having improved fire resistant and sound insulating properties, and a method of preparing suc... | 07/19/1977 |
| 3989534 | Foamed cementitious compositions and method of producing same A cellular product useful for such purposes as fire resistance, thermal insulation, and acoustical sound proofing may be produced from a mineral cement, such as gypsum cement, portland cement, calcium aluminate cement, or magneisa cement, an organic film ... | 11/02/1976 |
