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7576042 |
Salt water stable latex cement slurries
A method of servicing a wellbore comprising preparing a cement slurry by premixing at least one latex, at least one stabilizer, and optionally water to form a homogeneous solution, further mixing...
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7556685 |
Composition of architectural papier-mâché and articles made therewith
The invention is a composition of an architectural papier-mâché, and articles made therewith. Articles formed from using the architectural papier-mâché have excellent weather resistance, and...
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7462234 |
Wellbore servicing compositions
A wellbore servicing comprising a calcium aluminate cement and at least one gelation inhibitor wherein the calcium aluminate cement comprises less than about 50 wt. % alumina, greater than about 2...
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7420005 |
Photocurable resin composition, finely embossed pattern-forming sheet, finely embossed transfer sheet, optical article, stamper and method of forming finely embossed pattern
The photocurable resin composition in the first aspect of the invention comprises, as essential components, (A) a binder resin having photopolymerizable functional groups and (B) inorganic...
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7374699 |
Slurry rheology modifier
A slurry rheology modifier comprises a first water-soluble low-molecular compound [referred to hereinafter as compound (A)] and a second water-soluble low-molecular compound [referred to...
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7294194 |
Emulsion admixtures for improving cement elasticity
Methods and cement compositions for sealing a subterranean zone penetrated by a wellbore. The cement compositions include cementitious material, a mixing fluid, at least one polar monomer, and at...
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7250468 |
Polyvinyl-alcohol-stabilized redispersible powders with plasticizing properties
Polyvinyl-alcohol-stabilized redispersible powders which have plasticizing properties are obtained by drying polyvinyl-alcohol-stabilized aqueous dispersions of polymers of one or more monomers...
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7241818 |
Filler comprising fly ash for use in composites
The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that can be combined with a polymer or bitumen at higher filler loadings to...
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7183338 |
Tile grout
A durable, stain resistant tile grout comprised of naturally rounded quartz particles and water-borne polyurethane. The naturally rounded quartz particles are permanently colored and encapsulated...
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7150787 |
Polymer-modified gypsum composition
A composition including two components is provided. When the two components are admixed in the method of the invention a polymer-modified gypsum composition is provided. The admixture exhibits a...
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7105587 |
Method and composition for polymer-reinforced composite cementitious construction material
A method and composition for polymer-reinforced composite cementitious construction materials is described. In one embodiment, a crosslinking component is mixed with a high molecular weight...
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7037956 |
Water-soluble resin, process for its production and water-soluble resin composition
A water-soluble resin composition comprising a water-soluble resin and a colorant, which copolymer has a weight average molecular weight of at least 8,000 and is prepared by polymerizing an...
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6964986 |
Aqueous adhesive system, method for the production and use thereof
An aqueous adhesive system consisting of two separate components, A and B. Component A is an aqueous dispersion of polymer containing at least one olefinically unsaturated double bond and Component...
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6946504 |
Formulations containing polyvinyl alcohol and sulphonated melamine polycondensate for use in gypsum slurries
Aqueous formulation for enhancing flowability and setting properties of gypsum, slurries, comprising wax, polyvinyl-alcohol and a sulphonated melamine polycondensate are used for imparting water...
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6884746 |
Catalysts for olefin polymerization and method of olefin polymerization using the same
Described herein is a prepolymerized catalyst encapsulated with macromolecular monomers which is prepared by adding olefin mononers and diene compounds to a solid complex titanium catalyst for...
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6869987 |
Cementitious compositions and a method of their use
A settable composition which can be applied by spraying to form a coating on a surface such as the walls of a mine comprises (i) a cementitious composition comprising the following components: (a)...
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6867249 |
Lightweight and porous construction materials containing rubber
The present invention relates to a process for manufacturing a construction material by mixing a cementitious material, rubber bits and water. It also extends to a construction material comprising...
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6743830 |
Construction board materials with engineered microstructures
The present invention discloses a composition of matter for use in wallboard in the construction that has a morphology of pores and a network of interconnected inorganic particles that are coated...
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6730722 |
Cross-linkable polymer powder compositions
The invention provides cross-linkable polymer powder compositions containing a) at least one water-soluble polyhydroxy compound; b) at least one boric acid complex compound which is of limited...
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6727315 |
Copolymer for cement admixtures and its production process and use
The present invention provides: a copolymer for cement admixtures which displays high dispersibility with a small adding amount and excellent dispersibility particularly even in a high water...
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6716896 |
Method for production of esterified product and apparatus therefor
A method for the production of an esterified product which can prevent the occurrence of a gel-like substance during the separation and removal of the water formed by the reaction in the...
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6656263 |
Lightened cement slurries
A lightened cement slurry for cementation of a well includes cement, at least one mineral filler, water, and resin particles obtained by polymerization from vinyl aromatic, alkyl acrylate or...
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6653372 |
Preparation of addition-polymer powder
A process for preparing an addition-polymer powder suitable for modifying a binding mineral building material by drying an aqueous addition-polymer dispersion whose film has a glass transition...
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6648963 |
Composition for deactivating the surface of concrete or mortar and its process of application
The surface deactivating composition for concrete or mortar comprising a retardant, water and if desired a rheology modifying agent of the HASE type (emulsion, soluble in alkali, of a polymer with...
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6646093 |
Water-soluble polyurethane having comb-shaped hydrophobic group and application thereof
Water-soluble polyurethane according to the present invention is obtained from polyalkylene glycols, diisocyanates, and comb-shaped hydrophobic diols represented by the following general formula...
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6537366 |
Concrete admixture with improved durability and efflorescence control containing a highly resilient colorant
A composition for coloring concrete and methods for making the composition is provided, which includes a hydrophobic efflorescence control agent selected from the group consisting of calcium...
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6458870 |
Process for preparing an aqueous solution of sulfanilic acid modified melamine-formaldehyde resin and a cement composition
The present invention relates to a process for preparing an aqueous solution of sulfonated melamine-formaldehyde resin, and a cement composition in which the solution and a setting retarder are...
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6429239 |
Redispersible dispersion powder composition, process for its preparation and its use
The invention concerns a dispersion powder composition which is redispersible in water and is made from water-insoluble organic polymers, the composition being characterized in that it contains 0.1...
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6399678 |
Silicone-aggregate mixtures for pumping and spraying applications
A composition of matter, apparatus, and method relating to silicone-aggregate mixtures for pumping and spraying applications. Such mixtures include a solvent, a silicone or mixtures of silicones, a...
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6387176 |
Multipurpose cement dispersing polymers for high flow and high strength concrete
A new category of multi-purpose polymers is presented, the polymers being capable to serve as a cement dispersing agent and which at the same time are set-accelerating and do have shrinkage...
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RE37655 |
Additive for, method of adding thereof and resulting cured cement-type concreations for improved heat and freeze-thaw durability
An additive for, a method of adding thereof to uncured mixes for and resulting cured cement-type concreations such as cured embodiments of concrete, marcadam, and roof-top shingles each exhibiting...
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6364945 |
Methods and compositions for forming permeable cement sand screens in well bores
Methods and compositions for forming permeable cement sand screens in well bores are provided. The compositions are basically comprised of a hydraulic cement, an acid soluble particulate solid, a...
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6309457 |
Cement-Based Self-Leveling Composition
The present invention relates to a self-leveling composition for floor toppings, characterized in that it is based on Portland cement or on cement mix CM II or CM III, and in that it further...
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6303061 |
Sculpturing material composition
A new and improved composition includes a mixture of: a quantity of a nontoxic premixed mixture of ground cellulose-containing material, plaster of paris, and starch preservative; a quantity of a...
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6277900 |
Well cementing aids
The present invention relates to copolymers consisting of (a) 1-99% by weight of structural units of the formula (1) ##STR1## where R 1 is hydrogen or methyl, R 4 is C 1 -C 22 -alkylene,...
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6187841 |
Cement composition using the dispersant of (meth)acrylic esters, (metha)acrylic acids polymers
A cement dispersant having excellent ability to prevent slump loss and high water-reducing property which comprises a polycarboxylic acid type polymer having a specific molecular weight...
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6184304 |
Photoluminescent material from hydrogen silsequioxane resin
A photoluminescent material is prepared by preparing a gel from a solution of the resin in a solvent, and pyrolyzing the resin gel in oxygen by heating the gel to a temperature above approximately...
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6176921 |
Cement dispersants and method of producing concrete by using same
A cement dispersant composed of water-soluble vinyl copolymers which include specified kinds of constituent units at specified ratios and of which the weight average molecular weight pullulan...
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6172147 |
Additive for production of highly workable mortar cement
Mortar cement additives provide workability while retaining strength by employing a multi-stage polymer comprising a hydrophobically-modified, ionically-soluble polymer stage, the polymer being...
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6162839 |
Composition for producing light plaster, production of the foaming agent used therefor and its use
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6107368 |
Organic-inorganic mortar
A curable two-component composition with curable organic and curable inorganic constituents and with curing agents, the curing agents being separated from the respective curable constituent so as...
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6106956 |
Breathable extruded polymer films
A polymer film comprising at least first and second contiguous and coextruded portions, wherein the first portion is extruded from a first polymer composition containing a filler material in an...
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6089318 |
Method for control of fluid loss and gas migration in well cementing
This invention discloses a polymer composition, a cement slurry containing said polymer composition and a method of using the cement slurry to cement a borehole penetrating a subsurface earth...
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6085840 |
Method for control of liquid loss and gas migration in well cementing
This invention discloses a polymer composition, a cement slurry containing said polymer composition and a method of using the cement slurry to cement a borehole penetrating a subsurface earth...
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6048916 |
Method for dispersion of cement
A method for the dispersion of cement, which comprises incorporating in a cement composition consisting at least of cement and water a cement dispersing agent formed of a polymer obtained by...
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6032412 |
Moulded bodies comprising of humus-containing plant substrate consolidated with polyurethane/polyurea, a process for producing them and their use in plant cultivation
Moulded bodies are described which comprise a humus-containing plant substrate consolidated with polyurethane/polyurea, which are obtainable by slurrying a humus-containing plant substrate in...
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6028167 |
Use of phenolsulfonic acid-formaldehyde condensation products as drying aids
Phenolsulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions. Also described are a process for preparing polymer powders by drying, using these...
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6001903 |
Synthetic resin powder
There is disclosed a synthetic resin powder comprising a polymer made from an ethylenically unsaturated monomer or a diolefinic monomer and a polyvinyl alcohol chemically bonded through a sulfide...
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5962554 |
Use of polymers as assistants in the drying of aqueous polymer dispersions
Polymers composed of at least >80% by weight of monomers of the formula ##STR1## where R 1 , R 2 and R 3 are each C 1 -C 3 -alkyl, R 4 is C 1 -C 5 -alkyl and X is 0 or NH, are used as...
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5919881 |
Agents for and method of reducing the fluidity drop of hydraulic cement compositions and method of producing such agents
Water-soluble vinyl copolymers with number average molecular weight 500-20000, having two specified repetition units at a specified molar ratio and a specified end group can serve as an effective...
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