|
Match
|
Document |
Document Title |
|
|
5556458 |
Cementitious compositions
A cementitious composition comprising (a) a cementitious material; (b) a fly ash which has a calcium oxide content of from 15-45% by weight; (c) a hydroxycarboxylic acid; and (d) a...
|
|
|
5557031 |
Use of electric arc furnace by-products in concrete
Improved concrete or mortar materials wherein cement in the precursors for these is replaced by electric arc furnace dust in amounts from 0+% to 4% or more based on the amount of cement by weight....
|
|
|
5536310 |
Cementitious compositions containing fly ash
A cementitious composition comprising (A) 10-30 parts cementitious material; (B) 50-80 parts fly ash weight; and (C) 1.5-8 parts hydroxycarboxylic acid and/or salt thereof.
|
|
|
5534058 |
Structural products manufactured from fly ash
A structural product fabricated from waste materials and a method for making the product. The product includes fly ash, cellulose-based material and an adhesive binder. The product advantageously...
|
|
|
5531824 |
Method of increasing density and strength of highly siliceous cement-based materials
High-strength, high-hardness concrete, mortar, or grout is prepared by blending portland cement, water, and aggregate with a source of reactive silica, pouring the concrete mixture into a form,...
|
|
|
5494514 |
Weather resistant soil cement
A weather resistant soil cement with an open pore structure for resisting freeze-thaw damage is formed of cement, fly ash, Free aggregates, water, and an aqueous foamed surfactant, and other...
|
|
|
5490889 |
Blended hydraulic cement for both general and special applications
A blended hydraulic cement binder, is disclosed, consisting of water, fly ash, Type III portland cement, Type I portland cement, slag cement, ground silica, boric acid, borax, citric acid and an...
|
|
|
5489574 |
Cementitious composition for the cementation of oil wells
A cementitious composition for oil well cementation able to prevent fluid migration comprises water, hydraulic cement, surfactant or organic dispersant, and carbon black.
|
|
|
5489334 |
Process for producing a hydraulic cement binder for both general and special applications
A process is disclosed for producing a hydraulic cement binder for both general and special applications, consisting of water, cementitious materials, boric acid, borax, citric acid, an alkali...
|
|
|
5484479 |
Method of manufacturing synthetic aggregate
A method for making synthetic aggregate. Fly ash is combined with water to form a soil-like mixture. The mixture is then compacted into slabs and allowed to set. After setting, the material is...
|
|
|
5482550 |
Structural building unit and method of making the same
The present application is directed to a structural building unit formed from a set solid mixture consisting essentially of about 30% to about 75% by weight portland cement, about 1% to about 25%...
|
|
|
5482549 |
Cement, method of preparing such cement and method of making products using such cement
A homogeneous dry particulate cement mixture in ready-to-use form is provided, which comprises ground blast-furnace slag having a specific surface area of 500-750 m 2 /kg and ground fly ash having...
|
|
|
5472499 |
Lightweight cementitious formulations and processes
A lightweight cementitious composition comprising a dry mixture of a hydraulic cement component and a lightweight aggregate component of about 75 ppcf or less and a process involving mixing with...
|
|
|
5439518 |
Flyash-based compositions
Binder compositions are provided which are principally composed of a lime-containing flyash, and optionally hydratable gypsum, with a small amount of a property improving additive. The compositions...
|
|
|
5435842 |
Vibration damping thick-film coating composition and method of forming the coated film
Vibration damping thick-film coating composition comprising a coating composition comprising 100 parts by weight of a binder, from 20 to 200 parts by weight of a hydraulic inorganic filler, from 10...
|
|
|
5424099 |
High strength pourable gypsum floor underlayments and methods of providing same
The invention relates to a gypsum-based cementitious composition capable of upon mixing with fine aggregate in a weight ratio to said gypsum-based cementitious composition of from about 1.25:1 to...
|
|
|
5391417 |
Asphaltic roofing material with Class F fly ash filler
Asphaltic roofing material, such as roll or shingle roofing, employs Class F fly ash as the filler to the asphaltic base material. The fly ash is more readily heated than conventional crushed...
|
|
|
5387739 |
Treatment of municipal waste ash
Ash obtained from incineration of municipal waste is mixed with small quantities of water, from 10-35% by weight of the ash, and the product so formed is compacted and extruded. Where required,...
|
|
|
5383521 |
Fly ash cementing compositions and methods
The present invention provides fly ash cementing compositions and methods which are useful in any cementing application, and are particularly suitable for cementing in subterranean zones penetrated...
|
|
|
5377604 |
Method for the obtaining of molded stabilized materials from wastes
Disclosed is a method for obtaining stabilized molded materials from wastes, said method consisting of mixing the waste with a soldification agent and in extrusion molding the material obtained...
|
|
|
5374307 |
Fly ash composition and process for making articles therefrom
The present invention relates to a novel composition which is useful for forming construction blocks and encapsulating hazardous materials, a process for producing blocks and encapsulating the...
|
|
|
5372640 |
Tectoaluminosilicate cement and a process for its manufacture
A tectoaluminosilicate cement which consists of K, Ca and aluminosilicates plus, optionally, Li, Na and Mg, contains: a phyllosilicate dehydroxylated at a temperature between 500° and 900° C.,...
|
|
|
5366547 |
Setting control for alkali-activated silicate binders
An alkali-activated silicate based cement or binder has a cure characteric which is modified by a phosphate additive which retards the set time of the cement or binder. The phosphate allows a...
|
|
|
5364572 |
Process for making high-strength synthetic aggregates
A process for making high-strength aggregates including hydrating calcium oxide containing coal combustion ash for a sufficient period of time to convert a high percentage of the calcium oxide to...
|
|
|
5362319 |
Process for treating fly ash and bottom ash and the resulting product
The invention provides a novel, environmentally stabilized formed product and to a method of producing a hard, dry, e.g., agglomerated or formed, environmentally stabilized product useful as a...
|
|
|
5362320 |
Sandable low shrinkage mortar patching/coating compound
A polymer modified cement, low shrinkage mortar patching and/or coating compound that can be sanded after drying and has the consistency of drywall compound for coating, patching or taping drywall,...
|
|
|
5346548 |
Highly durable cement products containing siliceous ashes
Compositions particularly suitable for use in preparation of concrete and mortar products comprising at least one cement and from about 5% to about 30% by weight of the cement of siliceous ash from...
|
|
|
5330572 |
Method of slaking quicklime contained in ash
According to the method fly ash is pre-hydrated using cold water and the mixture is then treated in a receptacle under pressure from superheated or saturated steam at a temperature lying between...
|
|
|
5328507 |
Light weight cementitious formulations
A light weight cementitious composition comprising a dry mixture of a hydraulic cement component and an aggregate component and which, upon mixing with water, produces a paste which is easily...
|
|
|
5302200 |
Hydrating and plasticizing admixture for dense concrete
An admixture for a dense and durable concrete mix consisting essentially of diatomaceous earth and silica fume in the ratio of from 1 to 1 up to 1 to 8. Optionally, fly ash and lignosulfonate...
|
|
|
5294255 |
Pumpable backfill grout
A pumpable backfill grout which hardens into a controlled low strength material and an additive for making up such a backfill grout. The grout consists essentially of portland cement, a smooth...
|
|
|
5286292 |
Method of treating fly ash and fly ash cement
Commercially available fly ash is prepared and charged in a vessel. A halogen gas is supplied to the vessel and is brought into contact with the fly ash in the vessel.
|
|
|
5269975 |
Solidification of organic waste materials in cement
A process for solidifying organic waste in cement for transport and storage in solid form by mixing organic waste, water, and a cationic amine to form an emulsion, mixing the emulsion with cement...
|
|
|
5256197 |
Abrasion-resistant synthetic article and method of making
A process for the production of a water-insoluble, abrasion-resistant, synthetic solid article or aggregate, as well as the products produced thereby. Fly ash, lime, water and FGD sludge are mixed...
|
|
|
5252127 |
Process for the insolubilization and aggregation of smoke purification waste materials
Smoke purification waste materials (SPW), rich in lime, are mixed with a product containing at least 60% silica and/or aluminum to bring the pH to a value of between 7 and 11.5 and with a quantity...
|
|
|
5239936 |
Low-temperature ashing of hazardous plastic waste
System and method for low temperature treatment of organic wastes containing potentially toxic concentrations of metals is described which comprises forming the waste material into pellets of...
|
|
|
5236500 |
Homogeneous composition of cementitious and tar components and process for forming shaped articles therefrom
Improved cementitious compositions having increased flexural, tensile and shear-bond strength, increased wear resistance, decreased water permeability and enhanced workability than previous cement...
|
|
|
5196620 |
Fixation and utilization of ash residue from the incineration of municipal solid waste
Municipal solid waste ash is utilized in the manufacture of an aggregate and is processed to form a cold bonded pellet which, when tested by means of TCLP leaching extraction tests using TCLP No. 2...
|
|
|
5177305 |
Waste incineration process
The process is the type wherein the solid portions of waste materials of all origins are crushed and ground to a granulometry of under 5 mm and then are heated to between 750° C. and 1,350° C....
|
|
|
5169617 |
Method of treating produced gypsum
A method for treating produced gypsum and, in particular, a method for treating flue-gas desulfurization gypsum forms highly active, modifiable gypsum binders of high strength with simultaneously...
|
|
|
5166109 |
Utilization of slag from coal gasification systems
A low density aggregate product and method for making the same utilizing coal ash slag resulting from a typical coal gasification system wherein the resulting aggregate product has a lower density...
|
|
|
5152837 |
Building component containing coal ash
Described is the process for forming a hardenable mixture of a coal ash comprising free CaO and free CaSO 4 .0 H 2 O. In order to remove all free CaO the coal ash is mixed with a fly-ash...
|
|
|
5137753 |
Pelletizing ash
Ash from a fluidized bed combustor in which limestone particles are suspended in the presence of carbonaceous fuel being burned is pelletized. Lime-containing bed ash ("FBCR") is produced in the...
|
|
|
5108679 |
Process for the production of concrete building products
A process for the production of concrete roofing products of reduced weight loading having a thickness in section of not greater than 15 mm. The process involves forming an asbestos-free...
|
|
|
5106422 |
Rapid-setting flowable backfill composition and method of using
The subject invention relates to a rapid-setting self-hardening backfill composition and method of installation. The composition comprising a minor amount of Class C fly ash as a primary...
|
|
|
5104451 |
Use of fluidized bed ash in a finishing mortar
A mortar for the production of a floor is prepared from a mixture of anhydrite binder, sand, fluidized bed ash from the fluidized bed firing of a sulfur-bearing fuel such as coal, water and a...
|
|
|
5100473 |
Process for producing hardened materials from combustion ash of fluidized bed
The present invention relates to processes for producing a material usable as a suitable civil engineering and construction material by treating a combustion ash formed by the combustion of a...
|
|
|
5096498 |
Construction material containing catalytic cracking catalyst particles
A composition for use as a road base or levee fill. The composition comprises catalytic cracking catalyst particles in the size range of 1 to 200 microns and a binder the type and amount of which...
|
|
|
5092929 |
Process of treating residues obtained by purification of exhaust gas
For a treatment of the residues which become available as dry dust in the purification of exhaust gas and contain, inter alia, 5 to 12% by weight CaO and have a conductance in excess of 6000...
|
|
|
5091349 |
Utilization of slag from coil gasification systems
A low density aggregate product and method for making the same utilizing coal ash slag resulting from a typical coal gasification system wherein the resulting aggregate product has a lower density...
|