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7628851 |
Bone cement compositions having fiber-reinforcement and/or increased flowability
The present invention relates in general to implantable compositions, and method for preparing same, containing a calcium salt-containing component, optionally demineralized bone, a plurality of...
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7608347 |
Modifiers for gypsum slurries and method of using them
An improved gypsum slurry that includes water, calcium sulfate hemihydrate, a polycarboxylate dispersant and a modifier. The modifier is chemically configured to improve the efficacy of the...
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7594963 |
Joint compound composition for building elements and method of producing a structure
The present invention relates to a joint compound composition for building elements, particularly paper-faced plasterboards. This composition comprises:
a) 50 to 60% of calcium sulphate...
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7572329 |
Method of making a gypsum slurry with modifiers and dispersants
In a method of making a gypsum slurry, a polycarboxylate dispersant, a modifier and a hydraulic material comprising stucco are selected for use in the slurry. These components are then combined...
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7572328 |
Fast drying gypsum products
A slurry is made including water, at least 50% by weight calcium sulfate hemihydrate, and a specific polycarboxylate dispersant prepared using at least three repeating units. A first repeating unit...
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7559987 |
Grouting material
A grouting material which comprises an ultrafine particle material having a maximum particle size of 15 micrometer or less, containing 3 to 40% by mass of cement clinker, 60 to 97% by mass of and...
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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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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...
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7527688 |
Cementitious compositions for oil well cementing applications
Cementitious compositions are provided that can be use in drilling oil and gas well applications. The compositions include a source of hydraulically settable cement, calcium carbonate, free lime...
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7504165 |
High strength flooring compositions
A composition is disclosed for a mixture to be used in conjunction with water for preparing a slurry that hydrates to form a high strength flooring compound. The mixture includes from about 50% to...
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7503430 |
Reduced dust acoustic panel
An acoustical panel includes an acoustical layer having an interlocking matrix of calcium sulfate dihydrate, polyethylene glycol and at least one of the group fibers, a lightweight aggregate and...
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7494950 |
Bone cement compositions having fiber-reinforcement and/or increased flowability
The present invention relates in general to implantable compositions, and method for preparing same, containing a calcium salt-containing component, optionally demineralized bone, a plurality of...
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7488383 |
Gypsum products and method for their manufacture
A method is provided which uses an improved emulsion to imparting water-resistance to gypsum products. In one embodiment, gypsum products comprise calcium sulfate dihydrate and an emulsion which...
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7455728 |
Method for retarding plaster setting and plaster preparation
A method for retarding plaster setting and plaster preparations, relies upon a composition including a. tartaric acid in an amount of at least 0.01 to 1.0 weight % (based on plaster amount); b....
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7407545 |
Cementitious veneer and laminate material
A cementitious veneer and laminate composition is provided. The cementitious laminate composition includes a substrate, a primer layer applied to the substrate, the primer layer comprising a...
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7402205 |
Composition comprising water- and air-hardenable binders and its use notably to the preparation of a product having the aspect of a natural stone
Composition comprising water- and air-hardenable binders and its use notably to the preparation of a product having the aspect and the properties of a natural stone. Composition comprising water-...
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7374611 |
Sprayable machinable media
In conjunction with water, a mixture can be used to prepare a sprayable slurry that hydrates to form a machinable plaster composition. The mixture includes from about 80% to about 98% by weight...
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7374610 |
Wax emulsions for gypsum products
Emulsions, useful for imparting water resistance to gypsum products are disclosed. The emulsions of the invention include at least one wax, an alkyl phenol and a hydrophyllic metallic salt,...
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7284930 |
Composition and method for forming a sprayable materials cover
An alternative cover for landfill may be formed from a slurry mixture of water, cementitious binder, adhesion enhancing admixture and fiber. These constituents may be mixed and applied to cover...
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7276115 |
Conformable coating
A conformable coating for application to a soil substrate for barrier, adhesive, and planting properties includes a mixture of recycled or virgin materials, including organic fibrous material from...
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7261772 |
Gypsum composition
A gypsum composition comprising water, stucco, clay, an amine compound, a polyoxyalkylene, and a comb-branched copolymer is disclosed. The gypsum composition has improved fluidity. A method for...
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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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7128780 |
Process for producing building materials from raw paint sludge
A process for producing building materials, such as asphalt, cement, concrete, mortar, or plaster board from liquid paint sludge containing water and paint solids produced from overspray in...
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7070648 |
Preparation of gypsum compositions
A gypsum composition containing a sulfonate-containing comb-branched copolymer is disclosed. The sulfonate-containing comb-branched copolymer comprises recurring units of a polyether macromonomer,...
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7070647 |
Cement composition
A novel cement is alkalescent, capable of solidifying a wide range of soil and applicable to biological environment. The cement composition contains 100 parts by weight of magnesium oxide, 5 to 25%...
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7052544 |
Low dust wall repair compound
A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust...
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7052543 |
Permeable cement composition and method for preparing the same
The current invention provides an improved permeable cement composition for formation of downhole sand screens. The improved composition includes an effective amount of a surfactant. Addition of...
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7044224 |
Permeable cement and methods of fracturing utilizing permeable cement in subterranean well bores
The present invention relates to methods of stimulating a subterranean formation. More particularly, but not by way of limitation, the present invention relates to methods of fracturing...
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7033431 |
Surfactant composition for gypsum plaster boards
A gypsum composition including gypsum, water, and a surfactant composition of alkyl sulfates of formula H(CH 2 ) n OSO 3 − M + , in which n is from 6 to 16, the mean number of carbon atoms in the...
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7033432 |
Plaster composition and method of making same
The present invention provides a plaster composition that includes calcined gypsum and a naphthalene sulfonate-aldehyde condensate alkali salt polymer having a weight average molecular weight from...
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6953626 |
Gypsum layered panels containing styrene butadiene latex additive
Gypsum wallboard compositions are disclosed which contain functionalized styrene butadiene latex polymers. Methods for the use of the compositions in the manufacture of wallboard panels and sheets...
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6902821 |
Methods of preparing gypsum wallboards containing styrene butadiene latex additive
Gypsum wallboard compositions are disclosed which contain functionalized styrene butadiene latex polymers. Methods for the use of the compositions in the manufacture of wallboard panels and sheets...
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6852159 |
Gypsum slurry compositions
A gypsum slurry composition contains gypsum, a dispersant and water. A graft copolymer substance of a specified kind, which is one or more of graft copolymers and their salts obtained by specified...
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6849118 |
Admixture for minimizing the presence of surface dust on cement and concrete structures
An admixture for minimizing or preventing dust on surfaces of cured cement and concrete structures comprises a shrinkage reducing additive in combination with a fatty alcohol. Cementitious...
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6805741 |
Ready-mixed setting-type composition and related kit
A ready-mixed composition, which sets when mixed with an activator for the reaction of calcined gypsum with water to form set gypsum, is disclosed. The composition comprises water and calcined...
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6776839 |
Slag cement
A slag cement having an improved early strength and containing aluminosilicates, blast furnace slag, clinker and CaSO 4 , has a content of 70 to 95% by weight of blast furnace slag used in the...
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6773822 |
Antifungal gypsum board
A novel gypsum board having antifungal properties is disclosed. The board comprises a gypsum core, front and back paper facings and an antifungal agent effective at inhibiting fungal growth. A...
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6767647 |
Antimicrobial wallboard
A gypsum wallboard that exhibits antimicrobial characteristics is disclosed. A method for making the wallboard is also disclosed. Suitable antimicrobial agents that may be applied to the wallboard...
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6755907 |
Gypsum composition with styrene butadiene latex additive
Gypsum wallboard made lighter and less dense, without sacrificing strength, by adding to the gypsum slurry used in making the board a styrene butadiene polymer latex substantially stable against...
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6746533 |
Quick drying plaster
A method for increasing the drying rate of set plaster by adding fatty alcohol sulfate to the slurry of calcium sulfate hemihydrate from which the plaster is made.
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6739806 |
Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations
The present invention provides cement compositions comprising an improved fluid loss control additive, and methods for cementing in a subterranean formation using such cement compositions. The...
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6699339 |
Gypsum plaster compositions with improved adhesion to plastic surfaces and metal surfaces
Gypsum plaster compositions with improved adhesion to plastic surfaces and metal surfaces comprise from 10 to 90% by weight of gypsum plaster, based on the total weight of the composition, and...
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6673144 |
Joint compound providing low dusting and good gloss retention
The present invention provides a low dusting joint compound comprising a filler, a binder, a thickener and one or more synthetic polymeric waxes that are at least slightly soluble in water and are...
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6663707 |
Water-resistant gypsum formulations
Emulsions are provided which are useful in imparting water resistance to gypsum products. In one embodiment, the emulsions comprise a plurality of waxes, at least one saponified wax, a complexed...
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6641660 |
Stable well cementing methods and compositions
The present invention provides stable well cementing methods and compositions for sealing subterranean zones penetrated by well bores. The improved thermally stable and degradation resistant well...
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6638356 |
Gypsum-based building material
A gypsum-based building material comprising gypsum as the main material and an anthraquinone compound incorporated.
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6613138 |
Manufactured granular substrate and method for producing the same
A manufactured granular substrate composition suitable for use as a carrier for active chemical agents. The composition includes one or more mineral components having a bulk density greater than...
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6572698 |
Activated aluminosilicate binder
An activated aluminosilicate binder containing aluminosilicates, calcium sulphate and an activator containing alkali metal salts is disclosed. The aluminosilicates are selected from a group...
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6565645 |
Water-resistant hydraulically setting compositions
A hydraulic setting composition is provided. The composition when set has improved water absorption properties. The composition contains a hydraulically setting inorganic material such as calcium...
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6554893 |
Fire door core
The present invention describes an improved building material composition, useful for example as a fire door core and to improved methods of making this composition. The building material of the...
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