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| Number | Title | Issue Date |
| 7438500 | Erosion resistant barrier with varying permeabilities The invention relates to a barrier cap material including a blend of: a plurality of aggregate particles, and a plurality of manufactured composite particles including a hydratable sealant material. In a particular embodiment, the segregation of a blend of aggregate... | 10/21/2008 |
| 7226501 | Process for the manufacture of a bitumen-aggregate mix suitable for road pavement The present invention relates to an aqueous quick-setting bitumen-aggregate mix suitable for cold pavement of roads, parking places, sidewalks and the like. The bitumen-aggregate mix is manufactured by mixing a mineral aggregate, water, a de-emulsifier, containing h... | 06/05/2007 |
| 6340385 | Clay-containing mixture of dry solids to be used in forming a moisture resistant gel and method for treating a surface A clay-containing mixture of dry solids to be used in forming a moisture-resistant gel, and a method for directly forming a moisture-resistant gel on a surface to be treated, using such a mixture. The present invention furthermore relates to the use of su... | 01/22/2002 |
| 5868202 | Hydrologic cells for recovery of hydrocarbons or thermal energy from coal, oil-shale, tar-sands and oil-bearing formations A system for recovery of hydrocarbons or thermal energy from host-rock fotions bearing coal, oil-shale, tar-sands or oil by use of a hydrologic cell which conveys a reacting fluid under pressure to a source-aquifer, thereafter extracting thermal energy o... | 02/09/1999 |
| 5116413 | Process and sealing agent for producing a watertight and/or gastight bushing of lines in a water-resistant and/or gas-blocking wall, and device for use thereof A process is provided for feeding cables, wires, pipes etc. through a wall in such a way that the water- and/or gas resistance of the wall is maintained and that later on additional cables etc. can be passed through. The process uses a sealing agent compr... | 05/26/1992 |
| 5078543 | Storage system for solid waste material A storage system for solid waste material has a sloped storage basin with a subgrade covered by a 3-layer liner comprising top and bottom liquid impermeable layers separated by a drainage layer. The top layer drains into a leachate collection site and the... | 01/07/1992 |
| 5006013 | Granular type structure with moisture retaining top surface The disclosure is directed to a built-up granular structure having a stable moisture content controlled upper layer. The preferred granular structure includes an improved fine aggregate upper surface layer, a coarse aggregate reservoir layer having a topm... | 04/09/1991 |
| 4844662 | Sealing barrier for subterranean purposes A barrier in a subterranean structure is provided by the form of a sealing wall consisting of glass panels or panes in spaced-apart relationship within the packing mass between the panes and also embedding the sealing wall in the slit which is found in th... | 07/04/1989 |
| 4781490 | Method of pothole repair An improved method of pothole repair is described wherein the bond between the pothole area and the asphaltic patch repair material is significantly improved. The method is characterized by applying an aqueous solution of a water soluble acid salt of a fa... | 11/01/1988 |
| 4701070 | Method of pothole repair An improved method of pothole repair is described wherein the bond between the pothole area and the asphaltic patch repair material is significantly improved. The method is characterized by applying an aqueous solution of a water soluble acid salt of a fa... | 10/20/1987 |
| 4423088 | Method for depositing asphalt A method for depositing asphalt from an asphalt emulsion onto an aggregate is disclosed comprising wetting the aggregate with water containing between about 0.01 weight percent and about 1.0 weight percent of coupling agent selected to have charge opposit... | 12/27/1983 |
| 4266885 | Method of constructing a continuous cut-off wall and a core of a fill-type dam The present invention relates to a method of constructing a continuous cut-off wall and a core of a fill-type dam in the ground by placing or grouting at a normal temperature a mixture of a cold-setting property comprising a cement, coarse and fine aggreg... | 05/12/1981 |
| 4194023 | Controlled deposition of asphalt emulsions There is provided a method for depositing asphalt from an asphalt emulsion onto an aggregate, as in road construction. Prior to applying the asphalt emulsion, the aggregate is wetted down with water containing a minor amount of an anionic or a cationic co... | 03/18/1980 |
| 4192963 | Grounding electrode and method of reducing the electrical resistance of soils A first solution of an electrolyte is injected underground into a volume of soil having negative surface charges on its particles. A cationic surfactant suspended in this solution neutralizes these surface charges of the soil particles within the volume. ... | 03/11/1980 |
| 4075853 | Soil injection machine A machine for the injection of liquid into the surface of soil comprises a sledge having a surface compacting base bounded by two runners, the lower surface of each runner being below the level of the compacting base. The base has a transverse slot dimens... | 02/28/1978 |
| 4073152 | System for laying a subterranean water impervious asphalt layer A system for laying a subterranean water impervious asphalt layer which is mounted on a tractor and includes a liquidized asphalt supply tank and a subterranean plough provided with a plurality of outlet ports so that liquidized asphalt is fed from the ta... | 02/14/1978 |
| 4041712 | Method for reducing water loss through soil by seepage A composition and method for reducing the loss of liquids by seepage through permeable ground surfaces is shown. The composition comprises an aqueous emulsion of asphalt including a cationic emulsifier, a nonionic surface active agent and elastomer solids... | 08/16/1977 |
| 4028897 | Soil stabilization composition The invention relates to a soil stabilization composition comprising a rubber latex of solids content at least 40% by weight and a compatible oil which is prepared by admixing the oil and the latex in the presence of additional emulsifier and in the subst... | 06/14/1977 |
| 4002204 | Timing the deposition of an asphalt plugging material from an asphalt-cationic emulsion In plugging a relatively low temperature subterranean earth formation by injecting a cationic emulsion that contains an asphalt and a pH-increasing reactant that subsequently breaks the emulsion, the timing of the emulsion breaking is improved by using a ... | 01/11/1977 |
| 3979916 | Product and method for reducing water loss through soil by seepage A composition for reducing the loss of liquids by seepage through permeable ground surfaces is shown. The composition desirably comprises an aqueous emulsion of asphalt including a cationic emulsifier, a nonionic surface active agent and elastomer solids.... | 09/14/1976 |
