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| Number | Title | Issue Date |
| 8177908 | Binder for mine tailings, alluvial sand and the like A binder for mine tailings, alluvial sand and other aggregate used as a backfill for an underground void comprises ferrous slag, cement kiln dust and/or lime kiln dust, and Portland cement and/or lime; the binder displays strength characteristics better than or comp... | 05/15/2012 |
| 8177907 | Use of pulverized glass in a composite material The use of pulverized glass having a particle size of 0 nm to 100 μm as an ingredient in a composite material, said composite material is obtained by mixing a base component and a hardener, is disclosed. The pulverized glass is useful in composite materials, such a... | 05/15/2012 |
| 8137454 | Cementitious composition incorporating high levels of glass aggregate for producing solid surfaces A cementitious composition for high density, low porosity sheet-form building materials having solid surfaces is comprised of cement, pozzolans, and a high percentage of fine and/or coarse glass aggregate. ... | 03/20/2012 |
| 8088217 | Cement-based fire door core The present invention describes an improved building material composition, useful for example as a fire door core. The building material of the present invention is prepared by compressing an aqueous mixture of expanded perlite and a fast setting, cementitious compo... | 01/03/2012 |
| 8043426 | Method for treating cement kiln dust A method for treating cement kiln dust containing alkaline metal salts includes the steps of hydration (formation of calcium hydroxide), dehydration i.e. drying, fractionation by sieving and carbonation (reaction of the fractionated moistened cement kiln dust) with ... | 10/25/2011 |
| 7967908 | 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 magnesium silicate, sodium tall oil, sodium stearate... | 06/28/2011 |
| 7927419 | Settable compositions comprising cement kiln dust and swellable particles A variety of methods and compositions are disclosed herein, including, in one embodiment, a method comprising: introducing a settable composition into a subterranean formation, wherein the settable composition comprises: a cementitious component comprising a hydraul... | 04/19/2011 |
| 7771529 | Cementitious composition incorporating high levels of glass aggregate for producing solid surfaces A cementitious composition for high density, low porosity sheet-form building materials having solid surfaces is comprised of cement, pozzolans, and a high percentage of fine and/or coarse glass aggregate, preferably present in an amount which by weight is at least ... | 08/10/2010 |
| 7744691 | Energy conserving pozzolan compositions and cements incorporating same Pozzolan compositions incorporate glassy, amorphous particulates derived from byproducts of processes in which substantial energy was invested in generating those byproducts, at least one of which comprises amorphous calcium silicate slag generated as a byproduct of... | 06/29/2010 |
| 7695560 | Strong, lower density composite concrete building material with foam glass aggregate The present invention relates to a composite concrete building material comprising cementatious materials; and foam glass aggregates. The cementatious materials may comprise cement, sand and fly ash. The cementatious materials may also comprise other materials, incl... | 04/13/2010 |
| 7674332 | Extended settable compositions comprising cement kiln dust and associated methods An embodiment of the present invention includes a method of cementing in a subterranean formation comprising: providing an extended settable composition comprising hydraulic cement, cement kiln dust, water, and a set retarding additive, wherein the extended settable... | 03/09/2010 |
| 7468102 | Light-weight composition for masonry, mortar and stucco An application for a cement composition includes a cement (either Portland cement or hydraulic cement), hydrous magnesium silicate, sodium tall oil, sodium stearate, sodium C14-16 Alpha Olefin, linear alkyl benzene; and silicon dioxide. ... | 12/23/2008 |
| 7442249 | Cement compositions useful in oil and gas wells Cement compositions containing low reactivity materials are disclosed. The compositions are useful in conditions involving high temperatures, high pressures, and tectonic forces such as oil and gas wells. The cement compositions display increased compressive strengt... | 10/28/2008 |
| 7438756 | Method of improving material comprising a pozzolanic component The invention relates to a method of improving a material comprising a pozzolanic component. According to the invention the material is treated with an aqueous liquid resulting in treated, calcium-depleted material and a calcium-enriched aqueous solution, which are ... | 10/21/2008 |
| 7419540 | Swellable phyllosilicates A swellable layer silicate is described based on smectite or sepiolite/palygorskite for use in media containing di- or polyvalent cations that reduce swellability, characterized by a swelling volume of about 5 to 50 mL, measured by addition of 2 g layer silicate (ai... | 09/02/2008 |
| 7413602 | Production of glass powder from waste glass, and products made using the same, especially concrete A clean dry glass powder useful as a substitute for Portland cement in concrete, in paints, and for other known uses for glass powder produced conventionally can be produced from unsorted post-consumer waste glass, including a subsatantial fraction of non-glass item... | 08/19/2008 |
| 7387675 | Foamed settable compositions comprising cement kiln dust The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and com... | 06/17/2008 |
| 7381263 | Cement compositions comprising high alumina cement and cement kiln dust The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas. Methods of cementing also are provided that comprise: providing the c... | 06/03/2008 |
| 7350573 | Servicing a wellbore with wellbore fluids comprising perlite Wellbore fluids comprising an expanded and ground perlite and methods of using the same are disclosed. In one embodiment, the methods include a method of cementing comprising preparing or placing a cement composition comprising cement, water, and an expanded and gro... | 04/01/2008 |
| 7339120 | Electromagnetic wave shield It is an object of the invention to provide an electromagnetic wave shield for attenuating a electric far field while suppressing the attenuation of the vicinal magnetic flux of an electromagnetic wave discharged from a high frequency electromagnetic wave generator.... | 03/04/2008 |
| 7335252 | Lightweight settable compositions comprising cement kiln dust Settable compositions that comprise water, CKD, and microspheres, wherein the lightweight settable composition has a density less than about 13 pounds per gallon. Methods of cementing that comprise providing a lightweight settable composition having a density less t... | 02/26/2008 |
| 7320729 | Water resistant stucco product A water and flame resistant dry mix stucco is disclosed. The dry mix stucco includes water and flame resistant materials as an integral part of the mixture. The dry mix stucco is combined with water and applied to structures. ... | 01/22/2008 |
| 7227504 | Gate antenna device A gate antenna device has a plurality of loop antennas which supplies power and transmission data to an IC-integrated medium through electromagnetic induction and acquires reception data in the form of a fluctuation of a load from the IC-integrated medium. The plura... | 06/05/2007 |
| 7204307 | Methods of using settable compositions comprising cement kiln dust The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and com... | 04/17/2007 |
| 7204310 | Methods of use settable drilling fluids comprising cement kiln dust Settable drilling fluids comprising an aqueous-based drilling fluid and cement kiln dust. Methods of cementing in a subterranean formation comprising: providing a settable drilling fluid comprising an aqueous-based drilling fluid and cement kiln dust, introducing th... | 04/17/2007 |
| 7191834 | Foamed cement compositions and associated methods of use A method of cementing in a subterranean formation that comprises providing a foamed cement composition that comprises water, a cement, a gas, and an additive, the additive comprising an anionic foaming agent and at least one of an anionic foam stabilizer or a Zwitte... | 03/20/2007 |
| 7178597 | Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations. An example of a method of the ... | 02/20/2007 |
| 7169224 | Process for increasing the ductility of high performance fiber-reinforced brittle matrix composites, and composites produced thereby Purposeful addition of crack-initiating voids in the form of low tensile strength particulates, particulates having low matrix interaction, or gas bubbles formed by chemical reaction, in a size range of 0.5 mm to about 5 mm, and preferably of a size commensurate wit... | 01/30/2007 |
| 7156174 | Contained micro-particles for use in well bore operations The present invention relates to well bore operations, and more particularly, to contained micro-particles, and methods for using such contained micro-particles in cementing operations. An exemplary method of facilitating the use of micro-particles in a well bore fl... | 01/02/2007 |
| 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 |
| 7077203 | Methods of using settable compositions comprising cement kiln dust The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and com... | 07/18/2006 |
| 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 |
| 6951249 | 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... | 10/04/2005 |
| 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 |
| 6913010 | Reusable fire starter and method of use A method of using a fire starter includes providing a fire starter made of a calcium silicate hydrate with an inflammable liquid and a packaging at least partially surrounding the fire starter; removing a portion of the packaging to expose a portion of the surface a... | 07/05/2005 |
| 6913643 | Lightweight foamed glass aggregate A lightweight aggregate for use in concrete exhibiting a high weight to strength ratio comprising a mixture of hydrated cement and a low sodium closed-cell foamed glass comprised of between 51 and 65 weight percent silica, between 8 and 14 weight percent alumina, be... | 07/05/2005 |
| 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 |
| 6893496 | Cement compositions and admixtures therefore Blended cement compositions for mixture with aggregate and water to prepare cementitious products. Such blended cement compositions contain cement, calcined diatomaceous earth, calcined kaolin, fiberous material and reactive vinyl acetate co-polymers, with or withou... | 05/17/2005 |
| 6814798 | Storable water-microsphere suspensions for use in well cements and methods Storable water-microsphere suspensions for use in well cements and methods of cementing well bores are provided. The storable water-microsphere suspensions are basically comprised of water, microspheres and an effective amount of a suspending agent selected from the... | 11/09/2004 |
| 6776838 | White pozzolan composition and blended cements containing same A white pozzolan derived from by-products of manufacturing vitreous low alkali, low iron glass fibers, and to the method for producing the white pozzolan. The invention relates as well to cement compositions based on the white pozzolan, such as white and pigmented b... | 08/17/2004 |
