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| Number | Title | Issue Date |
| 7442248 | Cementitious composition Cementitious compositions comprising pozzolonic materials, alkaline earth metals, and a catalyst to catalyze the reaction between the pozzolonic materials and the alkaline earth metals. ... | 10/28/2008 |
| 7393406 | In situ formation of chloride sequestering compounds The present invention provides methods and compounds for the in situ formation in concrete of chloride sequestering compounds that resist corrosion of metals contained within the concrete. These chloride sequestering compounds may include, but are not limited to, co... | 07/01/2008 |
| 7332026 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 02/19/2008 |
| 7326291 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 02/05/2008 |
| 7316744 | Composition which is intended for use as an additive for cement The present invention relates to an additive which is added in order to reinforce cement. The additive comprises chlorides of alkali metals, alkaline earth metals and/or transition metals and oxides selected from the group consisting of alkali metal and alkaline ear... | 01/08/2008 |
| 7303015 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 12/04/2007 |
| 7293609 | Treatment fluids comprising vitrified shale and methods of using such fluids in subterranean formations Methods and compositions for the treatment of subterranean formations, and more specifically, treatment fluids containing vitrified shale and methods of using these treatment fluids in subterranean formations, are provided. An example of a method is a method of disp... | 11/13/2007 |
| 7285164 | Fluid loss additives for cement slurries Methods for cementing in a subterranean zone, which use a cement composition that includes zeolite, cementitious material, proportioned fluid loss control additives and a mixing fluid. Cement compositions containing proportioned fluid loss control additives, and met... | 10/23/2007 |
| 7285166 | Zeolite-containing cement composition Methods and cement compositions are provided for sealing a subterranean zone penetrated by a wellbore, wherein the cement composition comprises zeolite, cementitious material, and a mixing fluid. ... | 10/23/2007 |
| 7285165 | Cement compositions comprising set retarder compositions and associated methods Cement compositions are provided that comprise a hydraulic cement, water, and a set retarder composition, the set retarder composition comprising an acrylamide polymer derivative; and an iron compound. In some embodiments, cement compositions are provided that compr... | 10/23/2007 |
| 7219733 | Zeolite compositions for lowering maximum cementing temperature Zeolite compositions having a low maximum setting temperature for use in permafrost and waterwell applications are provided. ... | 05/22/2007 |
| 7213646 | Cementing compositions comprising cement kiln dust, vitrified shale, zeolite, and/or amorphous silica utilizing a packing volume fraction, and associated methods Cementing compositions are provided that comprise water, cement kiln dust, vitrified shale, zeolite, and/or amorphous silica, that utilize a packing volume fraction such that the solid particulate materials of the fluid are in a hindered settling state. Methods of c... | 05/08/2007 |
| 7182137 | Cementitious compositions containing interground cement clinker and zeolite Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum. ... | 02/27/2007 |
| 7150321 | Zeolite-containing settable spotting fluids Methods and compositions for wellbore treating fluids, especially settable spotting fluids, that include zeolite and at least one carrier fluid. ... | 12/19/2006 |
| 7147067 | Zeolite-containing drilling fluids Methods and compositions for wellbore treating fluids, especially drilling fluids, that comprise zeolite and a carrier fluid. ... | 12/12/2006 |
| 7140440 | Fluid loss additives for cement slurries Methods for cementing in a subterranean zone, which use a cement composition that includes zeolite, cementitious material, proportioned fluid loss control additives and a mixing fluid. Cement compositions containing proportioned fluid loss control additives, and met... | 11/28/2006 |
| 7140439 | Zeolite-containing remedial compositions Methods and compositions for wellbore treating fluids, especially remedial compositions such as pills, that include zeolite and at least one carrier fluid. ... | 11/28/2006 |
| 7137448 | Method of cementing a well using composition containing zeolite A cementitious composition for cementing an oil or gas well and which exhibits, when cured, increased flexural strength and a flexural strength to compressive strength ratio between from about 0.29 to about 0.80, contains a hydraulically-active cementitious material... | 11/21/2006 |
| 7101429 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures The present invention provides methods for resisting corrosion of metal elements in concrete, and associated compounds and structures. Acid mine drainage sludge is used as a source of a precursor compound that reacts with a source of anion to form a chloride-sequest... | 09/05/2006 |
| 7081156 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures A method of resisting corrosion of metal elements in concrete is provided. It includes introducing into concrete containing metal elements, at least one combination compound capable of sequestering chloride ions having the formula 3Me(II)O.(R,R′)2O... | 07/25/2006 |
| 7074263 | Direct sequestration of chloride ions The present invention provides methods and compounds for the direct sequestration of chloride ions without requiring the addition of a source of anion such as nitrite or nitrate. A direct sequestration additive is introduced to fresh concrete or hardened concrete wh... | 07/11/2006 |
| 7060128 | Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures In some embodiments, alternate sources of aluminum or calcium are provided in various ways including the desired compounds. The further object of the present invention contemplate in situ creation of the compound in interest in fresh concrete and as a slurry which c... | 06/13/2006 |
| 7048053 | Zeolite compositions having enhanced compressive strength Zeolite compositions having enhanced compressive strength and methods therefor are provided. In particular, methods and compositions for wellbore treating fluids, especially settable spotting fluids having enhanced compressive strength are provided. ... | 05/23/2006 |
| 7021380 | Compositions comprising set retarder compositions and associated methods Cement compositions comprising set retarder compositions, and methods of using the cement compositions in surface and subterranean applications are provided. In some embodiments, cement compositions are provided that comprise a hydraulic cement comprising an API cem... | 04/04/2006 |
| 6989057 | Zeolite-containing cement composition A method and cement composition is provided for sealing a subterranean zone penetrated by a well bore, wherein the cement composition comprises zeolite, cementitious material, and water sufficient to form a slurry. ... | 01/24/2006 |
| 6964302 | Zeolite-containing cement composition Methods and cement compositions are provided for sealing a subterranean zone penetrated by a wellbore, wherein the cement composition comprises zeolite, cementitious material, and a mixing fluid. ... | 11/15/2005 |
| 6929705 | Antimicrobial coated metal sheet The present invention relates to metallic sheets having an improved antimicrobial property and also related to a method of manufacturing such sheets. More particularly, it relates to the continuous coating on metallic sheets with a resin composition containing antim... | 08/16/2005 |
| 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 |
| 6623859 | Water quality improving materials and method for producing the same materials The object of the present invention is to save labor, reduce cost, and to make detergents and wax unnecessary. Water quality improving materials used in a washing device are provided, wherein; raw ceramic powder material containing tourmaline is adhered on... | 09/23/2003 |
| 6565647 | Cementitious shotcrete composition A cementitious shotcrete composition comprising a blend of the following range of ingredients in the following percentages by weight: cement 50% to 99% zeolite 0.3% to 49.3% ... | 05/20/2003 |
| 6264740 | Inorganic cementitious material A method of producing a new type of cement, hereafter called Conch-krete. Conch-krete is created by adding sodium carbonate (also known as soda ash, natron, etc.) and one or more minerals from the calcium carbonate group (including aragonite, limestone, c... | 07/24/2001 |
| 5976244 | Fixation of hazardous wastes and related products A method of fixation of hazardous waste materials is disclosed wherein the hazardous waste is admixed with materials capable of reacting in situ to form zeolites and the mixture subjected to conditions sufficient to form zeolites in which the hazardous ma... | 11/02/1999 |
| 5585174 | Heat-accumulating material and use thereof Disclosed is a heat-accumulating material comprising a thermally inert max which is an open-porosity substance, and a thermosensitive working substance which is a hygroscopic substance capable of reversible dehydration-hydration processes. A heat-accumul... | 12/17/1996 |
| 5494513 | Zeolite-based lightweight concrete products Lightweight concrete products, useful for example in blocks, wall panels, floor and roof slabs, in which zeolite is a major component, its content in the cementing material of the products exceeding 50 wt. %. Depending on application, zeolite may be non-t... | 02/27/1996 |
| 5435846 | Cement-additive for inhibiting concrete-deterioration A cement additive for inhibiting concrete deterioration contains as an effective component a powder mixture of an inorganic cation exchanger, such as a highly calcium-substituted zeolite, and an inorganic anion exchanger, such as hydrocalumite. The cement... | 07/25/1995 |
| 5362777 | Thermoplastically processable starch and a method of making it In order to produce thermoplastically processable starch, an additive or plasticizer respectively is mixed with native or natural starch and the mixture is caused to melt by the application of heat and mechanical energy. The additive is a substance which ... | 11/08/1994 |
| 5096498 | Construction material containing catalytic cracking catalyst particles A composition for use as a road base or levee fill. The composition comprises catalytic cracking catalyst particles in the size range of 1 to 200 microns and a binder the type and amount of which depend on the end use. Hydrated lime is employed as the bin... | 03/17/1992 |
| 4945074 | Polymeric alkali metal silicate glass The present invention relates to producing a polymeric alkali metal silicate glass powder by repeated steps of partial hydration and dehydration until the desired degree of polymerization has taken place. The polymeric alkali metal silicate glass may be u... | 07/31/1990 |
| 4888311 | Ceramic-ceramic composite material and production method A composite ceramic-ceramic material is disclosed having a fibrous reinforcing ceramic and a ceramic matrix made of a geopolymeric compound containing: (a) a poly(sialate) geopolymer Mn (--Si--O--Al--O--)n and/or poly(sialate-siloxo)... | 12/19/1989 |
| 4604318 | Composition and process for forming inorganic resins and resulting product Compositions and processes for forming inorganic resins, including articles of manufacture incorporating these resins are disclosed. the inorganic resins are characterized by their strength, nonflammability, dimensional stability, resistance to organic an... | 08/05/1986 |
