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| Number | Title | Issue Date |
| 7163358 | Injection grouting The invention relates to the use of a composition for injection grouting obtainable by mixing an alkali metal silicate or an organic silicate, colloidal silica particles, and at least one gelling agent, wherein the weight ratio of colloidal silica to silicate is fro... | 01/16/2007 |
| 6897186 | Composition and method for dual function soil grouting excavating or boring fluid An excavation fluid composition useful for enlarging a cavity in the earth includes a synthetic polymer and sodium silicate. The excavation fluid composition is formulated so as to enable the fluid in contact with unstable or sandy soils in the selected areas of the... | 05/24/2005 |
| 6248697 | Composition and method for a dual-function soil-grouting excavating or boring fluid Compositions and methods useful in creating boreholes, tunnels and other excavations in unstable soils and earth formations, especially those composed partially or wholly of sand, gravel or other granular or permeable material are disclosed. The fluids in... | 06/19/2001 |
| 6245850 | Reflective asphalt emulsions and method A reflective asphalt emulsion is formed by dispersing asphalt into a slurry of colloidal clay at high shear and thereafter blending titanium dioxide and diatomaceous earth filler, and optionally acrylic latex, at low shear into the emulsion of clay and as... | 06/12/2001 |
| 6059036 | Methods and compositions for sealing subterranean zones The present invention provides methods and compositions for sealing subterranean zones. The methods of the invention basically comprise the steps of preparing a sealing composition comprised of an aqueous alkali metal silicate solution, a gelling agent an... | 05/09/2000 |
| 5624208 | Process for sealing soil formations A process for sealing soil formations, wherein a mineral sealing layer of a cohesive soil with the addition of powdery silicate of sodium is applied and mechanically compacted, and wherein: (a) firstly a homogenous mixture is prepared from a cohesive soil... | 04/29/1997 |
| 5624599 | Liquid hardeners for soil grouting formulations Liquid hardeners for soil grouting formulations having an acid content no more than 0.1 mg KOH per gm in the form of dimethyl ester mixtures of dimethyl succinate, dimethyl glutarate and dimethyl adipate at a concentration in the mixtures lying within a b... | 04/29/1997 |
| 5611853 | Composition of matter and solid medium based-on naturally-occurring humic allophane soil useful in treatment of fluids A composition of matter comprising naturally-occurring humic allophane soil or Ando soil as an essential ingredient admixed with a binder material, said composition is useful in preparation of solid media effective as deodorant, absorbent, adsorbent and t... | 03/18/1997 |
| 5569323 | Inorganic liquid filler compositions for consolidation/sealing of ground formations and building materials Inorganic liquid filler compositions, well suited for the sealing or consolidation of ground formations or construction/building materials by injecting such composition into the fissures, cavities or interstices thereof (void volume) and permitting the co... | 10/29/1996 |
| 5431728 | Inorganic injectable slurries and consolidation of ground formations/construction materials therewith Inorganic settable slurries well suited for the sealing and/or consolidation of unstable soil/ground formations, or for the sealing/repair of defective building materials, include (a) an aqueous solution of an alkali metal silicate, (b) a water-soluble ca... | 07/11/1995 |
| 5422143 | Coating composition This invention provides an improved water-based coating composition. The said coating composition comprises a light mineral such as expanded perlite, dilute sodium metasilicate solution, and a metal oxide. The coating composition of the invention has one ... | 06/06/1995 |
| 5389702 | Soil hardening mortar and method for making the same A soil hardening method is for stabilizing soil through the process of drying and grinding the soil, and applying a first agent and a second agent to the soil until the agents are uniformly infiltrated between soil particles to improve hardening, water pr... | 02/14/1995 |
| 5336315 | Soil stabilization process This invention is concerned with a soil stabilization process in which soil particles comprising the soil surfaces to be stabilized are contacted or treated with an aqueous solution of an alkali metal silicate, such as sodium silicate, and a carbonate rea... | 08/09/1994 |
| 5168928 | Preparation and use of gelable silicate solutions in oil field applications A gelable silicate solution prepared by mixing fumed silica and an alkali metal hydroxide with water is provided. The silicate solution is used to form a seal or plug in one or more subterranean formations or in a well bore penetrating the formations by p... | 12/08/1992 |
| 5059251 | Injection product for sealing and/or consolidating soils and building materials, and a method for its employment Impermeabilization and/or consolidation product for soils and building materials, usable by injection, characterized by the fact that it is obtained by mixture of a compound of slag in suspension in water and of a silica liquor having a ratio of SiO2... | 10/22/1991 |
| 5017233 | Method of rendering soils impervious and products for carrying out the method The invention relates to a method of rendering a soil or another material like a mortar, a binder, or a concrete impervious by injecting it with a silica solution. A finely ground powdered compound containing calcium with a solubility in water of between ... | 05/21/1991 |
| 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 carboxymethylcellulose, approximately 10 parts by weight of calcium chloride, a... | 04/09/1991 |
| 4983218 | Composition and method for hardening an aqueous alkali metal silicate solution Aqueous solutions of alkali metal silicate are hardened using blends of alkylene carbonates and aliphatic alcohols such as alkylene diols, polyalkylene glycols, or hydroxyalkyl ethers. The aliphatic alcohol decreases the set time from that obtained using ... | 01/08/1991 |
| 4948428 | Grouting composition and method for grouting conduits in well bores A pumpable, rehydratable grout composition comprising a water-swellable clay and an aqueous mixture comprised of a hectorite, an alkaline metal tetraborate, an alkaline metal carbonate and an alkaline metal chloride, the grout composition being useful in ... | 08/14/1990 |
| 4755226 | Sealing and/or stabilizing and/or binding preparations comprising alkali metal silicate solutions Sealing and/or stabilizing and/or binding preparations comprising modified alkali metal silicate solutions having a molar ratio of SiO2 to Me2 O of from 2 to 4.5 wherein Me represents sodium or potassium; sodium metaborate and/or pot... | 07/05/1988 |
| 4734134 | Cement slurries, unaffected by salts of magnesium, for cementing wells traversing salt formations, and related cementing processes The slurries according to the invention contain: >18% NaCl; Na silicate and an agent of compatibility with magnesium consisting of H3 PO4 and HEDP diphosphonate. Thickening time is not affected by the presence or absence of salts of ... | 03/29/1988 |
| 4697961 | Process for consolidating soils Soils are consolidated with formation of a top layer having compressive strength by treating soil particles with cement, alkali silicate and a dialdehyde, at ambient temperature.... | 10/06/1987 |
| 4696698 | Flexible grout composition and method A flexible grout composition is used to cement a conduit within a bore hole to prevent fluid loss, for sealing and grouting well casings, plugging abandoned wells, and waterproofing earthen structures. The flexible grout composition includes a water-swell... | 09/29/1987 |
| 4696699 | Flexible grout composition and method A flexible grout composition is used to cement a conduit within a bore hole to prevent fluid loss, for sealing and grouting well casings, plugging abandoned wells, and waterproofing earthen structures. The flexible grout composition includes a water-swell... | 09/29/1987 |
| 4640361 | Thermally responsive aqueous silicate mixtures and use thereof A thermally responsive aqueous silicate composition consisting essentially of an aqueous solution containing an alkali metal silicate and a thermally responsive silicate gelation activator. The thermally responsive silicate gelation activator is a reducin... | 02/03/1987 |
| 4609487 | Gel-forming mixture based on an alkali silicate and a trialkoxysilane The present invention relates to liquid mixtures of alkali metal silicates, water, and trialkoxysilanes of the general formula R--Si(OR')3, which harden to form silica-containing gels within a predetermined length of time. The mixtures can cont... | 09/02/1986 |
| 4597796 | One-component alkali metal silicate cement composition A dry one-component alkali metal silicate cement composition contains the following components: (a) condensed aluminum phosphate or condensed aluminum/iron phosphate as hardener in amounts between 2-10% by weight, (b) rounded quartz sand having a grain size be... | 07/01/1986 |
| 4561898 | Hardener for silicate soil stabilizers A time-delayed hardener composition for aqueous alkali metal silicate solutions, the total formulation, and its application for soil stabilization, in which the hardener composition consists essentially 20 to 60% by weight of dimethyl carbonate and the ba... | 12/31/1985 |
| 4505751 | Process for utilizing a silicate/silica cement in oil field applications A process for formulating and applying a silicate/silica cement composition to the treatment of a wellbore comprising the steps of mixing an appropriate silica compound with an aqueous water-soluble silicate solution and injecting the mixture into the wel... | 03/19/1985 |
| 4391643 | Rapidly dissolvable silicates and methods of using the same Rapidly dissolvable powdered silicates having a molar ratio of silicon dioxide to alkali metal oxide in the range of from about 1.5:1 to about 3.3:1 wherein the alkali metal is selected from the group consisting of sodium, potassium and mixtures thereof. ... | 07/05/1983 |
| 4354875 | Controlling the curing time of alkali metal silicates using derivatives of glyoxal A liquid alkali metal silicate composition comprises water, an alkali metal, e.g., sodium silicate, and as curing agent for said alkali metal silicate, a derivative of glyoxal which is 2,3-dihydroxy-1,4-dioxane or glyoxal trimer. The composition optionall... | 10/19/1982 |
| 4328035 | Construction of building materials A process for the production of construction material comprising the steps of: 1. heating soil to a temperature sufficient to destroy substantially the property of the soil to swell with changing levels of moisture without causing any of the soil constitu... | 05/04/1982 |
| 4293340 | Composition and process for stabilizing soil An easily pumpable, liquid alkali metal silicate composition of controlled gelling characteristics comprises water, an alkali metal silicate, glyoxal optionally a Group I-III metal salt, e.g., calcium chloride and from 0.025 to 0.18 mole of hydrogen perox... | 10/06/1981 |
| 4083407 | Spacer composition and method of use A composition comprising water, a water soluble alkali metal silicate, and a water soluble metal compound capable of releasing a multivalent metal cation to react with the soluble silicate to form a pumpable gel is employed as a spacer for displacing a dr... | 04/11/1978 |
| 4056937 | Method of consolidating soils In a method of consolidating soils by injecting a hardner thereinto, a mixture of an aqueous solution of water glass and acidic reactant is employed as the hardener, the aqueous solution being prepared to be within the range of from weak acidity to weak a... | 11/08/1977 |
| 4004428 | Process for stabilizing soil In the stabilization of soil which comprises injecting into soil a mixture of (A) an aqueous sodium silicate solution and (B) at least one compound selected from the group consisting of chlorides, sulfates and nitrates of aluminum, magnesium and iron, and... | 01/25/1977 |
