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| Number | Title | Issue Date |
| 7517405 | Composition for solidifying soil and industrial waste Disclosed herein is a composition for solidifying soil and industrial waste. The solidifying composition contains 16-24 wt % of straight asphalt, 0.06-0.10 wt % of an emulsifier for asphalt, 0.8-1.2 wt % of light oil, heavy oil or a mixture thereof, 0.01-0.03 wt % o... | 04/14/2009 |
| 7387674 | Method for solidifying soil and industrial waste, and solidified materials prepared thereby Disclosed herein are a method for solidifying soil and industrial waste and a solidified material prepared thereby. The solidified material of soil and industrial waste is prepared by adding 2-6 parts by weight of a 3-5-fold dilution of a solidifying agent and 3-15 ... | 06/17/2008 |
| 7371277 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materia... | 05/13/2008 |
| 7276114 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materia... | 10/02/2007 |
| 7258733 | Viscosity stable smectite clay slurries A clay slurry is described using smectite clay, water, and a defined phosphonate additive that is hydrolytically stable over time. The viscosity of the clay slurry remains pourable and relatively unchanged over time compared to prior art slurries. The slurry is usef... | 08/21/2007 |
| 7232482 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material. Hydration and mixing of the waste materials along with a binder, will... | 06/19/2007 |
| 7118624 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materia... | 10/10/2006 |
| 6706108 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material. Hydration and mixing of the waste materials along with a binder, will... | 03/16/2004 |
| 5597409 | Bituminous reinforcing material for grouting The invention relates to a reinforcing material suitable for repairing cavities in the ground surrounding an underdrain through which sewers are laid down, and provides a bituminous reinforcing material for grouting excellent in workability and durability... | 01/28/1997 |
| 5340396 | Preparation of asphalt concrete with organic contaminated soil A method for the preparation of asphalt concrete from organic contaminated soils such as petroleum contaminated soils in batch mix processing, with reduced levels of pollution emissions. The resultant asphalt concrete is also either strengthened or the as... | 08/23/1994 |
| 5184917 | Method of hydrocarbon decontamination The method of treating a waste liquid or solid hydrocarbon to reduce risk of environmental contamination by the waste hydrocarbon, that includes forming a flowable cementitious paste of Portland cement and additives; introducing the hydrocarbon into the m... | 02/09/1993 |
| 5106424 | Decontamination method and use of contaminant Decontamination of a beach or soil area that has hydrocarbon contamination including removing hydrocarbon contaminated sand or soil from an area; mixing the contaminated soil or sand with cement and water; and forming concrete from the mix.... | 04/21/1992 |
| 4964918 | Grouting composition A grouting composition for sealing a borehole or other cavity comprising 90-99.9% finely divided water swellable clay and 0.1-10% thinner. The grouting composition is mixed with fresh water to provide a completely reswellable, unflocculated, easily placed... | 10/23/1990 |
| 4944804 | Plaster of Paris (Stucco) as mixing aid for aqueous bituminous emulsion aggregate slurries Improved mixability (extended set time) and adhesion (asphalt coating on aggregate) are disclosed for cationic and anionic bituminous emulsion-aggregate paving slurries by the addition to the emulsion-aggregate mixture of small amounts of calcium sulfate ... | 07/31/1990 |
| 4938803 | 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 propyltrimethyl ammonium chloride, N-vinylformamide, N-vinyl... | 07/03/1990 |
| 4547224 | Emulsifiers for bituminous emulsions Reaction products of polyamines with certain polycarboxylic acid anhydrides are disclosed which give emulsions capable of producing medium set mixing grade asphalt emulsions, rapid set asphalt emulsions, and quick set slurry seal emulsions. Solventless as... | 10/15/1985 |
| 4452638 | Marker fluid composition for spotting cement in offshore wells Cementing casing in an offshore well by displacing a drilling fluid with a settable cement slurry wherein there is injected into the annulus between the sidewall of the well and the casing ahead of the cement slurry a slug of a visually identifiable marke... | 06/05/1984 |
| 4395289 | Process for producing concrete A process for producing concrete comprising mixing barkhan sand with a fuel selected from the group consisting of a liquid fuel and a solid fuel, and a plastic binder selected from the group consisting of clay, loess, loam and a surfactant liquifying the ... | 07/26/1983 |
| 4385935 | Method of producing light weight cement for use of cementation of oil and gas wells A cement slurry of low specific density for cementation of oil-and gas wells is produced by mixing oil-well cement with finely divided emission products comprising amorphous silica dust which has been obtained during the electrothermal preparation of ferr... | 05/31/1983 |
| 4242144 | Bituminous mixed composition and filler for same containing non-hygroscopic crystal water-containing substances Hot processed bituminous mixed composition, particularly for road construction, characterized by containing non-hygroscopic, crystal water-containing substances, that upon heating to the mixing temperature of the mixed bituminous composition will complete... | 12/30/1980 |
| 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 calcium carbonate and/or an asphalt cement such as asphaltic c... | 09/30/1980 |
| 4209337 | Preparation of hardenable binding agents based on cement and bituminous emulsions Hardenable binding agents which are composed of cement and emulsions of bituminous products wherein the emulsifier is a surface-active betaine. This composition is particularly suitable for use in roadway surfaces because it possesses both excellent elast... | 06/24/1980 |
| 4144077 | High temperature cement system A high temperature cement system including a carbon-containing, low volatile material additive admixed with cement in proportions sufficient to provide a fixed carbon content of at least 0.02 weight percent. Additives include anthracite, calcined coke, un... | 03/13/1979 |
| 4105458 | Road surfaces A road surface comprising a blend of at least two aggregate materials disposed in a binder matrix and having different rates of wear as judged by the aggregate test B.S.812 1967, each aggregate material comprising individual aggregate particles of a size ... | 08/08/1978 |
| 3980489 | Soil stabilizing agent comprising a sulfuric acid source-calcium source reaction product and method Disclosed is a soil stabilizing agent consisting of a source of calcium, such as calcium carbonate, and a source of sulfuric acid, in a water solution and a method for applying the same. Certain chloride and sulfate materials, such as aluminum and ferric ... | 09/14/1976 |
