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| Number | Title | Issue Date |
| 7588635 | Hydraulic composition Hydraulic compositions comprising a setting accelerator, a water-soluble cellulose ether having a degree of alkyl substitution of 1.6 to 2.5 which is a water-soluble alkyl cellulose or a water-soluble hydroxyalkyl alkyl cellulose, and water are useful as self-leveli... | 09/15/2009 |
| 7407615 | Method for producing concrete or mortar using a vegetal aggregate A method for producing concrete or mortar based on an exclusively vegetal aggregate, a mineral binding agent, and mixing water is described. Instead of the vegetal aggregate being premineralized in a separate step of the operation, 4 to 14 kg of a non-hydratizable, ... | 08/05/2008 |
| 7393407 | Silicon oxide slurry and method for producing such slurry The present invention relates to a slurry containing water, amorphous silica panicles having a particle size less than 1 micron and silica flour with a particle size between 2-200 microns. In order to stablize the slurry, the slurry contains a polysaccharide. The in... | 07/01/2008 |
| 7388045 | Cement compositions comprising lignite grafted fluid loss control additives Novel well cement compositions are provided. Exemplary embodiments of the well cement compositions comprise water, a cement and a fluid loss control additive comprising a graft polymer. The graft polymer comprises a backbone comprising a lignite. The graft polymer f... | 06/17/2008 |
| 7371279 | Cellulose ether composition A composition comprising cellulose ether, a superplasticizer and defoamer suitable for use as an additive in extruding inorganic compositions is disclosed. The inventive composition functions as a water retention agent, plasticizer and lubricant in the extrusion of ... | 05/13/2008 |
| 7344593 | Fiber reinforced cement composite materials using chemically treated fibers with improved dispersibility A fiber-reinforced building material in one embodiment incorporates cellulose fibers that are chemically treated with a dispersant to impart improved dispersibility to the fibers. The fibers are treated with a dispersant which deactivates the hydroxyl sites of the f... | 03/18/2008 |
| 7341620 | Fire-insulating wall covering and a preparation method for same 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 weigh... | 03/11/2008 |
| 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 |
| 7151173 | Admixture, extrudable hydraulic composition and method for the selection of admixture A nonionic water-soluble cellulose ether is characterized in that when 3 pbw of the nonionic water-soluble cellulose ether is added to a mixture of 90 pbw of cordierite, 10 pbw of ordinary Portland cement, and 33 pbw of water, immediately followed by kneading at 20Â... | 12/19/2006 |
| 7147708 | Fiber gel mixture for use in cementicious products The present invention relates to a thickened aqueous solution, or gel solution, for use in providing fiber to a cement composition. Additionally, the present invention relates to a method for adding fibers to cement. ... | 12/12/2006 |
| 7143827 | Well completion spacer fluids containing fibers and methods Well completion spacer fluids containing fibers and methods of using the spacer fluids are provided. A method of the invention for displacing a first fluid from a well bore with an incompatible second fluid comprises the following steps. A spacer fluid is placed bet... | 12/05/2006 |
| 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 |
| 7108744 | Tape joint compounds with CMC thickener system CMC with CMDS greater than or equal to 0.76, optionally with a non-ionic co-thickener or a CMC with CMDS less than 0.75 is used as both the rheology modifier and partial clay substitute in tape joint compounds. This significant reduction of clay level is sufficient ... | 09/19/2006 |
| 7101426 | Inorganic matrix composite reinforced by ionically crosslinked polymer An in situ ionic interaction between two additives, one a cationic strength enhancing additive and one an anionic crosslinking additive, is used to improve the mechanical properties of an article formed from a composite material. The composite has a discrete phase b... | 09/05/2006 |
| 7095604 | Electrode for electric double-layer capacitor, and slurry for forming the same In an electric double-layer capacitor, a solution of a quaternary ammonium borofluoride compound in propylene carbonate is used as an electrolyte. The electrode includes alkali-activated carbon made using meso-phase pitch as a starting material, and a conductive fil... | 08/22/2006 |
| 7067004 | Grout compositions having high thermal conductivities and methods of using the same Grout slurries are provided that have high thermal conductivities of greater than about 1.4 Btu/hr-ft-° F. and low hydraulic conductivities ranging from about 5×10−9 cm/s to about 1×10−8 cm/s. Such grout slurries comprise water and a grout composition that is... | 06/27/2006 |
| 7059409 | Methods of cementing and cement compositions containing a polymeric cement cohesion additive A method and cementing composition is provided for sealing a subterranean zone penetrated by a well bore, wherein the cementing composition comprises a mixture of cementitious material, a polymeric cement cohesion additive, and sufficient water to form a slurry. The... | 06/13/2006 |
| 7048794 | Organic-inorganic composite An inorganic-organic composite comprises an inorganic phase, such as gypsum crystals, and a film forming organic phase. The film forming organic phase is selected from substituted starches having a degree of polymerization; degree of substitution and viscosity such ... | 05/23/2006 |
| 7048793 | Beneficiated water reducing compositions Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate super... | 05/23/2006 |
| 7041168 | Process for cement extrusion that makes use of crosslinked cellulose additives A method of preparing construction material systems is described. The process includes extruding a composition of construction materials and an irreversibly crosslinked cellulose derivative that is prepared by a particular process. ... | 05/09/2006 |
| 7036586 | Methods of cementing in subterranean formations using crack resistant cement compositions The present invention relates to subterranean cementing operations, and more particularly, to methods of cementing in subterranean formations using cement compositions that autogenously cure voids that may form in such cement compositions. In one embodiment, the pre... | 05/02/2006 |
| 7011698 | Stabilized biocidal coating composition and method A biocidal film-forming composition, preferably a paint, is disclosed, comprising hydrated lime, alkaline potassium salt, and a non-ionic polyolefinic latex resistant to hydrated-lime induced coagulation and phase separation. Also disclosed is the method of making c... | 03/14/2006 |
| 7008479 | Methods and cement compositions for cementing in subterranean zones Methods of cementing in subterranean zones, improved cement compositions and improved additives are provided. The compositions are basically comprised of a hydraulic cement, sufficient water to form a slurry and an additive for providing improved rheology, fluid los... | 03/07/2006 |
| 7004543 | Chair A tiltable chair including a housing, a back support pivotally attached to the housing about a first horizontal axis and a seat support pivotally attached to the housing about a second horizontal axis. A leaf spring includes a first end engaging the housing and a se... | 02/28/2006 |
| 7001939 | High amylose wheat starch and wheat containing the same Wheat starch of the present invention is obtained from endosperm of a seed of wheat which is modified to lack starch granule protein-1 (SGP-1). The wheat starch has an apparent amylose content of about 35% or more. Wheat flour of the present invention is obtained fr... | 02/21/2006 |
| 6941720 | Composite building material This invention generally pertains to a composite building material comprising a lightweight core with a thin fiber cement facing on one side of the core and a second facing material on the other side. The fiber cement facing that is used on at least one of the faces... | 09/13/2005 |
| 6943247 | Building material compositions Described is a building material composition prepared from or having added thereto a particulate material selected from particulate polysaccharides or particulate polysaccharide derivatives. The particulate material of the building material composition is prepared b... | 09/13/2005 |
| 6932863 | Gypsum product and method therefor A method for making a gypsum product water resistant, the method comprising adding a suspension of a hydrophobic substance to a gypsum slurry. ... | 08/23/2005 |
| 6924369 | Water-soluble, sulfoalkyl-containing, hydrophobically modified cellulose ethers, process for preparing them, and their use as protective colloids in polymerizations The present invention relates to water-soluble ionic cellulose ethers from the group of the hydroxyalkylcelluloses which are substituted by on average from 0.001 to 1.0 alkyl group per anhydroglucose unit and which carry from 0.01 to 0.1 sulfoalkyl group per anhydro... | 08/02/2005 |
| 6916369 | Beneficiated water reducing compositions Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate super... | 07/12/2005 |
| 6913644 | Hemp concrete mixtures and mortars, preparations method and uses The invention relates to concretes and mortars comprising a hydrophilic component such as hemp, flax or straw; a binder which sets in air through absorption of carbon dioxide after reduction in an aqueous phase; at least one additive which forms a microcapillary sys... | 07/05/2005 |
| 6893497 | Use of water-soluble polysaccharide derivatives as dispersing agents for mineral binder suspensions The invention concerns the use of water-soluble polysaccharide derivatives as dispersing agents for mineral binder suspensions. A partially hydrolyzed cellulose containing carboxyl groups and optionally hydroxyalkyl and/or sulfate groups and/or a partially hydrolyze... | 05/17/2005 |
| 6881257 | Machinable light weight sisal-based concrete structural building material A machinable light weight sisal-based concrete structural building material and a method of making the same are disclosed. The material includes short sisal fibers in a range from about 22% (v/v) to about 33% (v/v); a cement in a range from about 12% (v/v) to about ... | 04/19/2005 |
| 6872246 | Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the technology: fiber treatment, formulation, method and final product. This techno... | 03/29/2005 |
| 6843845 | Admixture and extrudable hydraulic composition An admixture comprising (A) a nonionic water-soluble hydroxyethyl cellulose and/or hydroxyethyl ethyl cellulose having a viscosity of at least 500 mPa·s as measured in a 1 wt % aqueous solution at 20° C., and (B) another nonionic water-soluble cellulose ether havi... | 01/18/2005 |
| 6840992 | Coatings for inkjet media The present invention provides a coating for inkjet media, which includes at least one hydrophobic filler particle; and a binder. Another embodiment of the invention provides an inkjet media, which includes the above-described coating coated on a substrate. Another ... | 01/11/2005 |
| 6811605 | Admixture and extrudable hydraulic composition An admixture comprising a nonionic water-soluble cellulose ether having a transparency of 35-89% in a 2 wt % aqueous solution at 20° C. is suited for hydraulic compositions. The hydraulic composition comprising the admixture and a less amount of pulp fibers is extr... | 11/02/2004 |
| 6806298 | Sprayable composition and method for forming a foamed outdoor protective cover layer A sprayable composition and a method of protecting material with the composition is disclosed. The composition comprises a bulking/setting material, a water soluble polymer and water to provide a cover layer which, after spraying, is tough, flexible and water-repell... | 10/19/2004 |
| 6797051 | More controllable fibrous patch spray A more controllable fibrous acoustic ceiling patch or textured material in the form of a sprayable composition includes a base, a filler, an adhesive binder, an anti-foaming agent, a suspension agent, and fibrous materials. The more controllable acoustic ceiling pat... | 09/28/2004 |
| 6755908 | Admixture and extrudable hydraulic composition An admixture comprising a nonionic water-soluble cellulose ether having an average particle size of 120-500 μm is suited for hydraulic compositions. The admixture does not form clumps even in the presence of a large amount of water. The hydraulic composition having... | 06/29/2004 |
