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| Number | Title | Issue Date |
| 7238229 | Methods and compositions for cementing in well bores Methods of cementing in well bores using cement compositions having elasticity or high compressive strength and low permeability are provided. The cement compositions basically include particulate acid-degradable glass, water, at least one water-soluble polymerizabl... | 07/03/2007 |
| 7182808 | Accelerator admixture An accelerator composition for use with sprayed cementitious compositions, which is an aqueous solution or dispersion of a blend of the essential Components 1–3 Component 1—aluminium sulphate Component 2—at least one of an alkanolamin... | 02/27/2007 |
| 7118666 | Protecting an inert anode from thermal shock A method for protecting anode assemblies in an electrolytic cell from thermal shock is disclosed. The method generally involves applying a thermal insulating layer (8, 16) to the anode (2) prior to preheating the anode assembly in a furnace, where the ... | 10/10/2006 |
| 7005006 | Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using same A coating liquid for an electrophotographic photoconductor intermediate layer comprising a titanium oxide and a polycarboxylic acid polymer in a solvent is provided. The content of the polycarboxylic acid polymer is 0.3 to 10 parts by weight in respect to 100 parts ... | 02/28/2006 |
| 5573587 | Process for producing building materials from paint sludge An process for manufacturing a admixture for concrete, mortar or asphalt out of paint sludge is discussed; The preferred embodiment utilizes the chemical drying of paint sludge through the addition of lime. The resulting powder contains a mixture of slake... | 11/12/1996 |
| 4915740 | Hydraulic material composition having high strength A hydraulic material composition having high strength contains a hydraulic material containing as main ingredients an alkaline earth metal oxide and aluminum oxide (Al2 O3), ultra-fine particles having a mean particle size smaller by... | 04/10/1990 |
| 4840671 | Process for chemical stabilization of heavy metal bearing dusts and sludges as EAF dust This invention is directed to a process for the chemical stabilization of heavy metal bearing dusts and sludges. A preferred use for such process is the treatment of dust from an electric arc furnace (EAF). In the production of steel by the electric arc f... | 06/20/1989 |
| 4781760 | Method for improving the properties of cement mortar and concrete The present invention relates to a method for improving the water separation and compression strength of cement mortar and concrete, and for extending the time taken for the cement mortar and concrete to stiffen, by adding to the mortar and concrete a was... | 11/01/1988 |
| 4647499 | Shaped body of calcium silicate and process for producing same A calcium silicate shaped body which comprises a multiplicity of interconnected secondary particles of calcium silicate crystals, voids interspersed between the secondary particles, and at least one inorganic inactive substance selected from among carbona... | 03/03/1987 |
| 4617059 | Demolition agent for brittle materials A demolition agent for brittle materials which is prepared by pulverizing a quick lime clinker including 0.5 to 10.0% by weight of phosphorus components in terms of P2 O5.... | 10/14/1986 |
| 4536216 | Cement for the manufacture of cores and moulds and method for preparing same The cement of the invention comprises chemically combined oxides, percent by mass: CaO, 50 to 60; Al2 O3, 28 to 37; Fe2 O3, 0.01 to 1; SiO2, 0.1 to 8; Na2 O, 0.1 to 1; K2 O, 0.1 to 0.... | 08/20/1985 |
| 4484949 | Cement compositions A water hardenable cement composition comprising a fluorine-free calcium alumino silicate glass in particulate form in which the individual particulates have a particle size of less than 100 microns consisting essentially of 25-35% silica, 27-35% calcium ... | 11/27/1984 |
| 4432800 | Beneficiating kiln dusts utilized in pozzolanic reactions The method of beneficiating kiln dusts which has insufficient reactive properties to produce desired pozzolanic reactions which method comprises adding small amounts of a material selected from the group consisting of CaO, calcium hydroxide and sodium hyd... | 02/21/1984 |
| 4295893 | Alumina-containing calcium silicate and process for producing same Alumina-containing calcium silicate being in the form of secondary particles, shaped bodies and a process for preparing the same, said secondary particles being composed of alumina-containing calcium silicate crystals having an index of crystallite antigr... | 10/20/1981 |
| 4115140 | Lime silicic acid mixtures and methods of making building materials therefrom Improved building compositions are prepared by including in CaO-containing components/SiO2 -containing components admixtures a small amount of chemically precipitates silicic acid containing flourine as an impurity. A steam-cured building material p... | 09/19/1978 |
| 4048276 | Structural building components and method for production on the basis of laterite Production of high strength structural building components by steam curing a compressed mixture of laterite, lime and water at a temperature preferably between 70° and 100° C.... | 09/13/1977 |
