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7147707 |
Composite for building material, and method of manufacturing building material using the same
To provide a composite for a building material capable of manufacturing a building material that is harmless to living environment and global environment and can be recycled. The composite for a...
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6881257 |
Machinable light weight sisal-based concrete structural building material
A machinable light weight sisal-based concrete structural building material and a method of making the same are disclosed. The material includes short sisal fibers in a range from about 22% (v/v)...
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6872246 |
Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances
This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the...
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6840992 |
Coatings for inkjet media
The present invention provides a coating for inkjet media, which includes at least one hydrophobic filler particle; and a binder. Another embodiment of the invention provides an inkjet media, which...
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6475275 |
Cement composition
A cement composition contains 35-85% by weight of a cement, 3-15% by weight of a clay, 1-50% by weight of an aggregate and/or a fibrous material, and 0.2-5% by weight of a high efficiency retarder....
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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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6241815 |
Gypsum-cement system for construction materials
A composition for use in construction materials, which may be substituted for high performance concrete, patching materials, joint compounds, and the like, such as backer boards or panels, which...
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5716448 |
Hydraulic composite
Excavated earth from construction sites may be recycled as backfilling material or grout by incorporating it into a hydraulic composite. This is done firstly by blending excavated soil with a...
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5711997 |
Semifluid mix and associated environmental restoration method
A semifluid mix for environmental reclamation, comprising peat, a hydraulic binder, resins, seeds, lime, and manure, the mix being particularly adapted to restore a covering of vegetation on...
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5637144 |
Asbestos replacer
An asbestos replacement is disclosed which includes water retention agents and finely divided mineral clays with high moisture retention capabilities. Combining the aforementioned ingredients in...
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5613558 |
Method for controlling the set time of cement
An oil and gas well cementing composition and method are shown utilizing hydraulic cement, water a cement hydration retarder and an additive which is effective over a selected time period to...
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5510310 |
Floor dry material and method of manufacture
A floor dry material and method of manufacturing same in which waste cellulosic fibrous material, such as waste paper, is finely shredded after which any metal component is removed and the shredded...
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5378279 |
Enhanced cement mixed with selected aggregates
A cement enhanced to obtain a self-smoothing, self-levelling, non-shrinking mortar or concrete, consisting of an artificial cement mixed with additives, including at least a combination of a...
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5108511 |
Non-emulsion masonry cement additives and method of producing masonry cement compositions containing same
Masonry cement additives are provided which, when interground with Portland cement, produce a masonary cement having superior workability, plasticity and board life, while unexpectedly also having...
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5049288 |
Set retarded cement compositions and methods for well cementing
Set retarded cement compositions for cementing across a zone or zones in a well having enhanced compressive strength and rapid gel strength development after placement. The cement compositions are...
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5028271 |
Vinyl grafted lignite fluid loss additives
A vinyl grafted lignite fluid loss additive comprising a lignite grafted with at least one vinyl monomer selected from the group consisting of: dimethylaminopropyl methacrylamide, methacrylamido...
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5006176 |
Coagulant for soil and/or sand method for preventing washout using the same
The present invention relates to a coagulant for soil and/or sand and method for preventing washout using the same. The coagulant comprises approximately 10 parts by weight of...
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4981521 |
Sprayable fireproofing composition
Fire retardant coatings for metal structural members are obtained by spraying onto the structural members settable plaster compositions which are air-containing pumpable aqueous slurries of...
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4935060 |
Hydraulic cement slurry
The cement slurry of the present invention is gas tight, very low strength retrogression at high temperature, and substantially no tendency to settle or segregate. The cement slurry is made with a...
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4840672 |
Lightweight insulating boards and process for manufacturing same
Lightweight insulating boards in accordance with the present invention comprise Portland cement, fibers and fillers including: (a) 50-75% by weight of cement, (b) 0-5% by weight of cellulose...
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4799961 |
Cementuous fiber impregnated construction composition and process for formation thereof
A construction composition comprising an alkalin earth oxide, such as calcium oxide, a siliceous material having a high surface area to volume ratio such as diatomite, cement, fiber and other...
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4662943 |
Cement compositions containing a polysaccharide and a salt and method of cementing casing in a well
A novel cement composition comprising (1) cement, (2) at least one salt, and (3) at least one polysaccharide or mixture of polysaccharides having a solution time greater than about 10 minutes;...
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4557763 |
Dispersant and fluid loss additives for oil field cements
Dispersants and fluid loss additives for inclusion in oil field cements and methods of using the resultant compositions in oil, gas and water well cementing operations are disclosed. Such...
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4524828 |
Method of using thixotropic cements for combating gas migration problems
A thixotropic cement composition comprising water, hydraulic cement, a titanium chelate and a crosslinkable agent and methods of using same to combat migration of formation fluids in oil, gas and...
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4523755 |
Surface for sports areas, particularly tennis courts, and its manufacture
A surface for sports areas, particularly tennis courts, is prepared by applying an intimate mixture of brick dust, other mineral material, non-hydrated tile cement, and water to a substantially...
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4478640 |
Well treating process and composition
A process for treating a subterranean zone by emplacing therein a hardenable aqueous slurry and then permitting the slurry to harden, where the slurry comprises a hydraulic cement, water, sodium...
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4464200 |
Plastic soil stabilizer composition and method of use
A composition and method of its use for stabilizing plastic soils which composition comprises from about 25 to about 85 weight percent portland cement, from about 0 to about 75 weight percent of a...
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4462837 |
Cement composition and method of cement casing in a well
A novel cement composition for the preparation of a novel aqueous slurry useful in cementing casing in the borehole of a well comprising (1) cement, (2) (a) a hydroxyethylcellulose ether having a...
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4455169 |
Salt water cement slurries and water loss reducing additives therefor
Salt water cement slurries having low water loss when in contact with water permeable earth formations and additives for reducing water loss from salt water cement slurries are provided. The...
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4447267 |
Dry set grout
A dry-set Portland cement based grout composition having less than 75% by weight of Portland cement, filler, bentonite clay, and no more than about 0.35% by weight of a composite of a cellulose...
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4402752 |
Dry-set mortar composition having enhanced bonding characteristics
Dry-set mortar compositions adapted to be mixed with water containing, in the dry state, sand, Portland cement and a cellulose ether improved by the inclusion of anionic polyacrylamide and...
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4363666 |
Reinforced cement sheet product containing fibers other than asbestos, clay and thickener
A fiber cement product consisting essentially by weight of a Portland cement binder in the amount of between about 40% and 80%, natural and/or synthetic fibers in an amount of between 1% and 15%,...
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4308070 |
Asbestos-free composition for millboard for use at high temperatures
An asbestos-free millboard formulation is provided which includes from about 5 to 20% of a cellulosic fiber, from 40 to 15% barytes, from 10 to 50% cement and from 15 to 40% of an inorganic filler...
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4225359 |
Acidic earthen cemented compositions for building materials and process
An improved earthen composition suitable for building construction comprises soil, a sulfonic acid, cellulose and a cementing agent comprising a calcium cement such as Portland cement, lime or...
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4196008 |
Aqueous gypsum composition
A composition for securing a fixing element such as a dowel in a drillhole in a rock mass comprises alpha gypsum gauged with a solution of a water-soluble salt of carboxy methyl cellulose...
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4188231 |
Methods of preparing iron oxide mortars or cements with admixtures and the resulting products
A mortar or cement composition is provided which is adapted for being mixed with water and thereafter set. The composition comprises cement mixed with iron oxide in a ratio of about 1:4. At least...
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4043827 |
Sag-resistant dry-set mortar composition
Portland cement mortar compositions containing sand and a cellulos ether are modified with certain clay, certain long-chain organic compounds, or mixtures thereof.
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4038093 |
Cement composition for high temperature wells and methods for producing the same
A cement composition suitable for cementing high temperature wells comprises dry cement grains coated with a tenacious film of a crosslinked hydroxyalkyl cellulose. The film resists high...
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3959003 |
Thixotropic cementing compositions
A thixotropic cementing composition for use in oil and gas wells comprises a hydraulic cement slurry including as an additive a complex reaction product of a water soluble carboxyalkyl,...
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3948672 |
Permeable cement composition and method
The invention relates to an improved method of and composition for the treatment of an incompetent formation penetrated by a wellbore to prevent the movement of sand particles from the formation to...
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3804174 |
WELL CEMENTING METHOD USING THIXOTROPIC
A thixotropic cementing composition for use in oil and gas wells comprises a hydraulic cement slurry including as an additive a complex reaction product of a water soluble carboxyalkyl,...
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3767433 |
CEMENT COMPOSITIONS AND METHODS
A "basic" cement of enhanced properties particularly useful in the cementing of wells, methods of making it, and methods of cementing geologic formations traversed by well bores are disclosed. The...
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3635742 |
CALCINING ALKALINE EARTH METAL CHLORIDES WITH CELLULOSE AND ADMIXING WITH PORTLAND CEMENT
A hydraulic composition for stabilizing soils comprising about 75 to about 95 parts by weight of a Component A and about 5 to about 25 parts by weight of a Component B. Component A comprises a...
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3502490 |
HEAT AND FIRE-RESISTANT PLASTER COMPOSITIONS
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3414420 |
Oil well cement and method of making the same
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3393261 |
Prehardening of cement bondedformed bodies
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3376146 |
Low density cement composition
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3245814 |
Cementing of high temperature wells
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3219112 |
Cement compositions and methods of utilizing same
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3215549 |
Binding composition and method of making same
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