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8915997 Durable concrete and method for producing the same  
A concrete mix for producing freeze-thaw durable concrete having enhanced strength properties, like compressive strength, abrasion resistance, impact strength, toughness, is disclosed. The novel...
8801851 Foamed concrete  
A foamed concrete having a density from 100 to 800 kg/m3 including by mass relative to the total mass of the concrete: a cement; water; from 0.01 to 5% of a water-reducing agent, plasticizer or...
8574358 Geopolymeric particles, fibers, shaped articles and methods of manufacture  
Shaped geopolymeric particles, fibers, and articles incorporating at least one geopolymer are provided; the geopolymeric particles, fibers, and articles having a structure that is solid, foamed,...
8523997 Cellular phosphate ceramics and methods of manufacture and use  
Embodiments of the present invention provide cellular phosphate bodies formed using specialized steps to ensure a specific strength range, and specifically a compressive strength less than 100...
8475585 Stable foamed cement slurry compositions and methods for making and using same  
A foamed cement composition is disclosed for utilization in performing a variety of well cementing operations, and to methods for making and using same. The foamed cement composition basically...
8454742 Artificial stone and method of making same  
A lightweight artificial stone system comprises a plurality of artificial stones, each of the artificial stones formed of at least some portion of cement, expanded glass, and styrene, the...
8414699 Light weight additive, method of making and uses thereof  
Low density additives and methods of making said additives for composite materials are provided. The low density additives have at least a partial or complete water repellant property that reduces...
8361219 Air-curing expanded concrete composed of binder-containing mixtures  
The invention relates to an expanded concrete composed of binder-containing mixtures, preferably having binders composed of Portland cement as specified in DIN EN 197 or of mixtures of hydraulic,...
8287640 Stable foamed cement slurry compositions and methods for making and using same  
A foamed cement composition is disclosed for utilization in performing a variety of well cementing operations, and to methods for making and using same. The foamed cement composition basically...
8261827 Methods and compositions comprising kiln dust and metakaolin  
The present invention provides settable compositions and methods of using settable compositions that comprise a hydraulic cement; a partially calcined kiln feed comprising SiO2, Al2O3, Fe2O3, CaO,...
8202614 Additive particles having superhydrophobic characteristics and coatings and methods of making and using the same  
Additive particles may be employed in sufficient amounts to impart superhydrophobicity to a coating system in which the additive particles are incorporated. The additive particles include carrier...
8172937 Lightweight drainable cellular concrete  
A lightweight pervious cellular concrete is provided. The concrete has an internal structure comprising interconnected channels, resulting in a permeability K value of less than about 1×10−5, and...
8172938 Heat resistant and fire retardant materials and methods for preparing same  
A silica cement blend having an insulating, fire retarding and high temperature characteristic capable of withstanding temperatures ranging from ambient to greater than 40000 F without degradation...
8167994 Cellular cementitious composition  
A cementitious slurry and method of making the cementitious slurry comprising mixing a pozzolanic component, a foaming agent of hypochlorite, and a hydroxide solution of soluble hydroxide...
8118926 Self-foaming cement for void filling and/or delivery systems  
A self-foaming bone cement is described herein. In one variation, the bone cements include a self setting calcium phosphate cement formulation which when cured, forms macroscopic pores of varying...
8105433 Cement admixture, and cement composition and concrete containing the cement admixture  
It is an object of the invention to provide a cement admixture that can form concrete having a sufficient self-healing capability and satisfactorily maintaining its self-healing capability for...
8080105 Methods of manufacturing and using a flowable cement-based material  
Methods of manufacture and use of flowable materials are provided. The flowable fill materials include a cement-based fill material with a cement component and an aggregate component that are...
8038789 Pervious concrete comprising a geopolymerized pozzolanic ash binder  
A process for making a pervious concrete comprising a geopolymerized pozzolanic ash. Generally, the process includes mixing a solid aggregate and a geopolymerized pozzolanic ash binder together to...
8030253 Foamed cement compositions comprising oil-swellable particles  
Of the many compositions provided herein, an embodiment includes a foamed cement composition comprising a cementitious component, an oil-swellable particle comprising at least one swellable...
8021476 Gypsum mortar with added expanded vermiculite and method for obtaining same  
The invention relates to gypsum mortar with expanded vermiculite added with citric acid and tartaric acid and to the method for obtaining same, containing the following elements in the following...
7964272 Lightweight compositions and articles containing such  
A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2...
7846250 Geopolymer composition and application for carbon dioxide storage  
The invention provides geopolymeric compositions intended for use in carbon dioxide injection or production wells or storage reservoirs and preferably in a supercritical carbon dioxide conditions....
7819993 Method for producing light gypsum board  
Provided is a method of manufacturing a weight-saved foamed gypsum board having a gypsum core with high strength and excellent adhesion properties of the gypsum core with base papers for gypsum...
7799129 Lightweight structural concrete provided with various wood properties  
A lightweight structural concrete with screw-ability and nail-ability similar to wood is composed of a non-structural and ultra lightweight aggregate such as expanded perlite or a combination of...
7794537 Geopolymer composition and application in oilfield industry  
The invention provides geopolymeric compositions, which have controllable thickening and setting times for a wide range of temperatures and a large range of geopolymer slurry densities. The...
7758955 Mineral insulation element and process for producing it  
A mineral, aluminum-blown insulation element, in particular insulation slab, comprising calcium silicate hydrates as framework and blown pores surrounded by the framework, wherein more than 40% by...
7744693 Lightweight composite materials and methods  
Lightweight composite or “mineral foam” composite materials can be made from reactive materials such as metal oxides. The materials can be prepared from a reaction of metal oxide(s), phosphate(s)...
7731792 Method of producing recycled hardened materials using waste gypsum  
Disclosed herein is a method for producing a recycled hardened material using waste gypsum. The method comprises treating acidic wastewater generated in the production of copper, zinc or titanium...
7732032 Lightweight, fiber-reinforced cementitious panels  
Lightweight, fiber reinforced, cementitious panels possessing exceptional toughness for use as building components in applications such as roofing elements, siding elements, framing and sheathing...
7678189 Foaming plaster  
A method of producing a foamed plaster comprises the following steps: (a) mixing plaster of Paris and calcium carbonate; (b) supplying water, and (c) adding phosphoric acid. The phosphoric acid...
7658794 Fiber cement building materials with low density additives  
This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low...
7651563 Synthetic microspheres and methods of making same  
A building product incorporating synthetic microspheres having a low alkali metal oxide content is provided. The synthetic microspheres are substantially chemically inert and thus a suitable...
7648575 Providing freezing and thawing resistance to cementitious compositions  
An improved freeze-thaw durability cementitious composition is provided that uses at least partially degradable polymeric particles that are blended directly into the cementitious composition...
7607484 Foamed cement compositions comprising oil-swellable particles and methods of use  
Of the many compositions and methods provided herein, an embodiment of a method comprises introducing a foamed cement composition into a subterranean formation, wherein the foamed cement...
7544242 Effective use of dispersants in wallboard containing foam  
Effective use of dispersants in wallboard containing foam results from a method where stucco is mixed with a first dispersant and a first quantity of water to form a gypsum slurry. A soap is...
7507286 Self-foaming cement for void filling and/or delivery systems  
A self-foaming bone cement is described herein. In one variation, the bone cements include a self setting calcium phosphate cement formulation which when cured, forms macroscopic pores of varying...
7494544 Polymer shell encapsulated gas as a cement expansion additive  
Cement compositions containing an expandable material are disclosed. The compositions are suitable for use in oil and gas wells. An example of such an expandable material is a polymer encapsulated...
7395860 Methods of using 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...
7288147 Providing freezing and thawing resistance to cementitious compositions  
An improved freeze-thaw durability wet cast cementitious composition is provided that uses in-situ production of gas by gas generating additives and optionally polymeric microspheres that are...
7270183 Cementing methods using compressible cement compositions  
A method of cementing at least two casing strings in a well bore, the method having steps as follows: filling the well bore and the inner diameters of the at least two casing strings with a cement...
7174961 Methods of cementing using cement compositions comprising basalt fibers  
Methods of using cement compositions that comprise basalt fibers in subterranean formations are provided. An example of such a method may comprise providing a cement composition that comprises...
7174962 Methods of using 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...
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...
7063738 Permeable cements  
A permeable cement composition comprises an aqueous slurry of a hydraulic cement including a water-immiscible dispersed fluid phase, such as oil or gas, and a hollow particulate material, the...
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...
6969423 Lightweight strain hardening brittle matrix composites  
Fiber reinforced lightweight concrete composites employ less than 4% by volume of reinforcing fibers in conjunction with small particulate lightweight aggregates or voids, and cure to composites...
6936099 Lightweight joint compound containing stable air pockets  
Low density joint compounds, and methods for their use are disclosed. Joint compounds comprising water, calcium carbonate, a foaming agent, and a rheology modification agent contain a plurality of...
6858566 Methods of generating gas in and foaming well cement compositions  
The present invention relates to methods of generating gas in and forming cement compositions that may be introduced into a subterranean zone. A method of the present invention provides a method...
6833091 Method for injecting of foamed concrete and a foamed concrete  
A method for stabilizing gravel, sand, crushed stone, rock and concrete structures which have cracks by injecting a pumpable, low viscous aqueous aerated concrete with a pore volume of at least...
6824607 Cement-bound active substance  
The invention relates to a novel cement-bound material with a mineral binding agent, a mineral filler and/or mineral aggregates. Said cement-bound material has a proportion of a mass hydrophobing...

Matches 1 - 50 out of 194 1 2 3 4 >