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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8101017 | Light-weight composition and mix for masonry, mortar and stucco An application for a pre-mixed mortar, stucco or masonry composition includes a approximately 75% sand and 25% of a light-weight cement mix comprising a cement (either Portland cement or hydraulic cement), hydrous lime, sodium tall oil, sodium stearate, sodium C14-1... | 01/24/2012 |
| 7896964 | Cement retarder The invention provides a cementitious composition for oilfield application comprising an organic retarder having at least one carboxylate group and copper ions such that a complex is made between copper ion and carboxylate group. Also a method to retard cementitious... | 03/01/2011 |
| 7892351 | Composition of materials and processes for making boroncitrates to create cements with field adjustable set times A family of compounds has been developed containing a substantial quantity of boron in solution with other beneficial ingredients that has been heretofore unobtainable. These compounds are named and referred to herein as “Boroncitrates”. The individual Boroncitr... | 02/22/2011 |
| 7740701 | Adhesive composition with lightweight filler A hydraulically setting mortar composition containing at least one hydraulically setting component, at least one lightweight filler, at least one cellulose ether, at least one setting retarder and optionally further additional additives, particularly fillers and/or ... | 06/22/2010 |
| 7717998 | Ultrafine particle grouting composition To provide an ultrafine particle grouting composition which is excellent in dispersibility and dispersion retainability and can be easily injected into minute spaces between particles of grounds, rock cracks, and the like. An ultrafine particle grouting composition ... | 05/18/2010 |
| 7556684 | Amine containing strength improvement admixture A strength improvement admixture composition is provided that increases the compressive strength of cementitious compositions without negatively increasing the setting time. The admixture comprises the components of a polycarboxylate dispersant and strength improvem... | 07/07/2009 |
| 7435293 | Cement compositions comprising maltodextrin Cement compositions, and more particularly, cement compositions that include maltodextrin. An example is a cement composition that includes: a hydraulic cement, water, and an additive comprising maltodextrin. Another example is a cement composition that includes: a ... | 10/14/2008 |
| 7410536 | Oxidation-stable iron oxide pigments, process for preparing them and their use The present invention relates to oxidation-stable iron oxide pigments which have a coating of at least one organic substance, to their preparation and to their use. ... | 08/12/2008 |
| 7407535 | Corrosion resistant composition for treatment of concrete structures Water soluble materials, compositions and systems for use in treating concrete-containing materials and surfaces are disclosed. Treatment modalities that include addition of the disclosed materials, compositions and systems to pre- and post-construction concrete-con... | 08/05/2008 |
| 7396403 | Concrete reinforced with acrylic coated carbon fibers Concrete products and dry concrete mixes comprise cement, acrylic coated carbon fibers, and any optional components such as silica fumes, slag, stone, sand, and/or other aggregates. Preferably, the acrylic coated carbon fibers have a length of about 2½ inches to ab... | 07/08/2008 |
| 7393886 | Cement dispersant and concrete composition containing the dispersant A superior cement dispersant and a concrete composition containing the cement dispersant, the cement dispersant being a water-soluble amphoteric copolymer which contains an alkylene oxide adduct of a polyamide polyamine having an unsaturated group and at least two t... | 07/01/2008 |
| 7381252 | Anti-corrosion additive composition for concrete compositions for use in reinforced concrete structures An anti-corrosive additive composition is provided that includes an alkali-based salt of dioic acid and a defoamer agent. The defoamer agent is generally selected from the group consisting of a polyether modified polysilicane, a tri-alkane phosphate, a tri-alkene ph... | 06/03/2008 |
| 7350574 | Methods of retarding the setting of a cement composition using biodegradable monomers Methods of retarding the setting of a cement composition comprise including one or more secondary amines substituted with a carboxyl group or salts thereof (e.g., 3-hydroxy N,N′-iminodisuccinic acid) in the cement composition. The inclusion of such materials in ce... | 04/01/2008 |
| 7339531 | Multi frequency magnetic dipole antenna structures and method of reusing the volume of an antenna Various resonant modes of a multiresonant antenna structure share at least portions of the structure volume. The basic antenna element has a substantially planar structure with a planar conductor and a pair of parallel elongated conductors, each having a first end e... | 03/04/2008 |
| 7328756 | Settable fluids comprising particle-size distribution-adjusting agents and methods of use Settable fluids comprising particle-size distribution-adjusting agents, and methods of using such settable fluids in subterranean and surface applications are provided. In certain exemplary embodiments, the settable fluid comprises a cement, a set retarder, and a pa... | 02/12/2008 |
| 7303625 | Treatment fluids comprising chlorinated carbohydrates Treatment fluid compositions, and more particularly, treatment fluid compositions that include chlorinated carbohydrates. An example is a treatment fluid that includes: a hydraulic cement; water; and a chlorinated carbohydrate. Another example of a treatment fluid i... | 12/04/2007 |
| 7290611 | Methods and systems for cementing wells that lack surface casing Methods and systems for cementing casing in well bores drilled in subterranean formations, and more particularly, methods and systems for cementing casing in a well bore without surface casing or a well head are provided. A method provided herein may comprise sealin... | 11/06/2007 |
| 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 |
| 7273524 | Concrete composition method of producing concrete compositions and cement admixture The objective of the present invention is to provide a concrete composition in which the amount of air entrained can be maintained stably and which is excellent in strength and durability, a concrete composition which is excellent in freeze-thaw durability owing to ... | 09/25/2007 |
| 7261923 | Corrosion resistant composition for treatment of hardened concrete structures A composition of a solution of a metal salt of a dioic acid that provides corrosion resistance and moisture resistance is disclosed for application to post-construction materials. The composition may further include an effective amount of a thinning agent, e.g., iso... | 08/28/2007 |
| 7240732 | Dispersant compositions for cement compositions and related methods The present invention relates to cementing operations, and more particularly to improved cement dispersants for cement compositions and methods of cementing. In one embodiment, the present invention provides a method of cementing comprising the steps of: providing a... | 07/10/2007 |
| 7217441 | Methods for coating pipe comprising using cement compositions comprising high tensile strength fibers and/or a multi-purpose cement additive Among the methods provided is a method of coating the interior of a pipe comprising: providing a pipe having an interior surface; providing a cement composition comprising a cement component and high tensile strength fibers and/or a multi-purpose cement additive; co... | 05/15/2007 |
| 7166159 | Cement composition, its use for the production of a self-leveling liquid casting, and a casting thus obtained A cement composition for liquid casting, based on a binder comprising Portland cement and additives comprising at least a fluidizer and a combination of a thickening agent acting by steric exclusion and a gelling thickening agent. The composition can also include a ... | 01/23/2007 |
| 7147706 | Cementitious compositions and methods of making cementitious compositions Cementitious compositions having high compressive strength and high flexibility. An efficient method of making such strong cementitious compositions entails pre-mixing cement additives that can easily be added to a mixture of cement, silica, fibers and water. The ce... | 12/12/2006 |
| 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 |
| 7144456 | Cementing compositions and methods of cementing in a subterranean formation using an additive for preventing the segregation of lightweight beads Cementing compositions and methods of cementing in a subterranean formation are provided. The cement composition includes a hydraulic cement, lightweight beads, and a desegregating agent for inhibiting segregation of the beads. The lightweight beads may be, for exam... | 12/05/2006 |
| 7128781 | Cementitious compositions and methods of making cementitious compositions Cementitious compositions having high compressive strength and high flexibility. An efficient method of making such strong cementitious compositions entails pre-mixing cement additives that can easily be added to a mixture of cement, silica, fibers and water. The ce... | 10/31/2006 |
| 7073585 | Cement compositions with improved fluid loss characteristics and methods of cementing in surface and subterranean applications Cement compositions comprising an improved fluid loss control additive, and methods for cementing using such cement compositions, are provided herein. Exemplary embodiments of the cement compositions comprise a hydraulic cement, water, and a fluid loss control addit... | 07/11/2006 |
| 7055603 | Cement compositions comprising strength-enhancing lost circulation materials and methods of cementing in subterranean formations Cement compositions comprising a strength-enhancing lost circulation material, and methods for cementing using such cement compositions are provided. Exemplary embodiments of the cement compositions comprise cement, water, and a strength-enhancing lost circulation m... | 06/06/2006 |
| 7048873 | Composition and method for repairing metal reinforced concrete structures A composition and method for repairing metal reinforced concrete structures by applying a repair coating to surfaces of such damaged structures. The coating composition is a mortar/aggregate mixture blended with fiber reinforcements and containing a quantity of sele... | 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 |
| 7037369 | Accelerator composition An alkali-free accelerator for use with spray-applied cementitious compositions such as concrete and mortar is the reaction product in aqueous medium of amorphous aluminium hydroxide, aluminium sulphate, formic acid and phosphoric acid. These accelerators perform as... | 05/02/2006 |
| 7032663 | Permeable cement and sand control methods utilizing permeable cement in subterranean well bores This invention relates to improved methods for completing wells in unconsolidated subterranean zones. More specifically, the present invention relates to cement compositions useful in subterranean applications, and more particularly, to permeable cement compositions... | 04/25/2006 |
| 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 |
| 6992048 | Methods of generating gas in well treating fluids The present invention relates to methods of generating gas in and foaming well treating fluids during pumping of the treating fluids or after the treating fluids are placed in a subterranean zone, or both. A method of the present invention provides a method of makin... | 01/31/2006 |
| 6983800 | Methods, cement compositions and oil suspensions of powder Methods, cement compositions and oil suspensions of powders are provided. The oil suspensions of silica powder comprise silica powder, mineral oil, an oleophilic clay, an oleophilic surfactant and a hydrophilic surfactant. ... | 01/10/2006 |
| 6953090 | Cementing subterranean zones using cement compositions containing biodegradable dispersants Methods of cementing subterranean zones using cement compositions containing biogradable dispersants are provided. The methods are basically comprised of the steps of preparing a hydraulic cement, a biodegradable dispersant comprised of polyaspartic acid containing ... | 10/11/2005 |
| 6953505 | Stable and biodegradable foamed cement slurries, additives and methods The present invention relates to stable and biodegradable 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 a biodegradable foamin... | 10/11/2005 |
| 6942727 | High early-strength fiber reinforced cementitious composition Reinforced high early-strength cementitious members are made from water and strength generating ingredients, which include a hydraulic cement, a polycarboxylate dispersant and structural synthetic fiber. The strength generating ingredients provide corrosion resistan... | 09/13/2005 |
| 6939935 | Anionic polymers of acrylic and/or methacrylic acids and maleic esters, and salts thereof, and their use as cement/concrete additives Anionic polymers obtainable by: (a) esterifying maleic acid or its anhydride with alkyl polyalkylene glycols; (b) copolymerizing the esters obtained with (meth)acrylic acid; and (c) converting the polymers obtained into the salt form by addition of alkali metal base... | 09/06/2005 |
