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WO/1994/011461A1 |
The invention concerns a method, using a polyurethane, for sealing off points through which water enters underground excavations in loose rock and excavations at open-air building sites from the surrounding rock formations. The method ca...
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WO/1994/006884A1 |
A method is shown for stabilizing clay bearing soils in which a silica compound is incorporated into the soils in addition to the application of lime. The silica compound can be either an amorphous, silica fume, a crystalline silica, a s...
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WO/1994/006730A1 |
A water and soil treatment method comprising injecting SO2 into an aqueous media until substantially all of the bicarbonates are removed and the desired pH is achieved, and applying the SO2 treated aqueous media to soil until a soil pH o...
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WO/1994/005740A1 |
A mortar mixture, made up with mixing water, is used in particular for bitumen-bound road surfacings and consists of salt (preferably NaCl or KCl) having a grain size not exceeding 0.5 mm, mineral fines having a grain size not exceeding ...
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WO/1994/003411A1 |
The urine of livestock is introduced into and stored in a urine collector, and the solid matter is separated as necessary from the urine to take out completely liquid excrement having urine as a main component. This liquid excrement is i...
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WO/1994/002567A1 |
This invention relates to a method for preparing an earth stabilization fluid, a method for using such an earth stabilization fluid and to the earth stabilization fluid itself. This invention uses a continuous phase that has been added t...
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WO/1994/000672A1 |
A method for stabilizing a subterranean formation which includes introducing a stabilizing composition into a subterranean formation, for example, by pumping into and through cracks and crevices in the formation and allowing the stabiliz...
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WO/1993/023087A1 |
Methods and compositions comprising polyfunctional biowaste treatment complexes for treating biowastes in a manner which: (a) keeps noxious and toxic substances from being released from the biowaste, and (b) neutralizes such substances r...
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WO/1993/023494A1 |
The invention relates to a binding agent which is used for stabilizing soil materials and for reducing the water-permeability of water-permeable soils. This binding agent is gypsum-based and contains titanium hydroxide and iron hydroxide...
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WO/1993/021249A1 |
New, highly solid organomineral products are obtained by reacting polyisocyanates with aqueous alkali silicate solutions and cement. These products are characterized by shorter curing time during preparation, greater solidity and non-inf...
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WO/1993/017985A1 |
The magnetisable substance for purposefully affecting ground properties consists of the basic configurations MeO?.¿Fe¿2?O¿3? and Me¿3?Fe¿5?O¿12?. These magnetisable substance are mixed with suitable carrier substances and introduce...
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WO/1993/013182A1 |
A composition suited as the additive for an excavation stabilizing fluid capable of effectively preventing deterioration of properties due to inclusion of seawater or cement or bacterial putrefaction, an excavation-stabilizing fluid comp...
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WO/1993/011203A1 |
A method is shown for stabilizing sulfate bearing soils in which a silica compound is incorporated into the soils with the soils being further stabilized by the application of lime. The silica compound can be either an amorphous, flume s...
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WO/1993/010204A1 |
The invention concerns aqueous compositions, a method of manufacturing them and the use of acid hardenable melamine resins and/or urea-formaldehyde condensation products optionally containing added NaA zeolite and/or hydrosodalite. Also ...
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WO/1993/004140A1 |
An environmentally safe process and medium are disclosed for consolidating materials, in particular loose, possibly very aqueous soils. The disclosed medium is characterized in that it contains as a builder precursor alkoxysilane and/or ...
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WO/1993/003112A1 |
Liquid concentrate solution for improving plant root watering, comprising one or more humectants in aqueous solution which can be introduced to the main root areas of the plant root. Suitable humectants include sorbitol, glycerol, molass...
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WO/1992/021452A1 |
A weed eradicating substance, and a desalination substance. A method of use includes irrigating the soil with water, prior to planting, to cause the germination of weed seeds, and thereafter applying a desalination agent to increase weed...
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WO/1992/019095A1 |
A water-rententive matrix composition for growing plants. The composition comprises from about 50 % to about 99 % by dry weight of a bulking agent and from about 1 % to about 25 % by dry weight of a water-retentive polymer having a water...
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WO/1992/015539A1 |
Homogeneous, fine, pulverulent solids dispersions are produced by homogenizing an aqueous solids suspension with the educt of a reaction which requires water, e.g., calcium oxide, aluminium alcoholate, silicic acid esters or mixtures the...
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WO/1992/002596A1 |
A water-swelling polymer-mineral composite comprises bentonite clay and a linear polyanionic polymer, with molecular mass of 106 or more, taken at quantities at which the mass ratio between said polymer and the bentonite clay is 0.05 to ...
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WO/1991/019039A1 |
A controlled-release nutrient source is added at a low level to a bioremediation environment to enhance microorganism growth and activity and promote the effectiveness of the bioremediation in removing environmental contaminants.
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WO/1991/017227A1 |
The process serves for the long-term improvement of soil moisture retention for the cultivation of plants (22) in a water-permeable, rapidly drying soil. A layer of cellulose absorption pads (10) containing a superabsorber and/or chips (...
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WO/1991/015109A1 |
Disclosed is a process for the production of a porous granulated ceramic material with a pore size greater than 1 mm, in which clay is mixed with calcite, quartz sand, dolomite, feldspar, fireclay, kieselgur and/or sepiolite as aggregate...
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WO/1991/015440A1 |
Novel methods for biodegrading nitroaromatic compounds present as contaminants in soil or water using microorganisms are disclosed. Water is treatable directly; dry soil is first converted into a fluid medium by addition of water. The pr...
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WO/1991/009820A1 |
A carbonaceous material such as lignite is subject to the action of a bioactive agent comprising Actinomycetes and other microbial flora and enzymes capable of degrading the carbonaceous material. The resulting modified carbonaceous mate...
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WO/1991/008271A1 |
The description relates to a process for stabilising rock, e.g. in tunnelling and mining, by the injection of aqueous preparations of melamine resin and/or urea-formaldehyde condensates together with an acid curing agent. In the process,...
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WO/1991/006606A1 |
Bituminous binder emulsion formed from a dispersion of an organic phase consisting of a bituminous binder in an aqueous phase incorporating an emulsifying system made up of one or more emulsifying agents, a water-soluble thickener and po...
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WO/1991/005586A1 |
Hazardous waste material is stabilized and rendered non-hazardous by mixing the waste with an alcohol component, and a surfactant component, and then binding such mixture in a cementitious matrix.
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WO/1991/004105A1 |
A method of forming a temporary barrier between a substrate and the atmosphere to protect the atmosphere from deleterious materials (e.g. noxious fumes from spills) or to protect a substrate from adverse atmospheric conditions (e.g., pro...
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WO/1991/003605A1 |
A method of re-using a slurry, which is discharged at the time of ground improving construction work, as a grout (hardening material). The method comprises adding a magnetically permeable substance to the hardening material to be injecte...
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WO/1991/002778A1 |
A plant growth medium is formed by granulating tree barks, heating the granular bark so formed to kill heat labile plant pathogens, chemically treating the granular bark with an aqueous solution of an alkali material to form at least a p...
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WO/1990/014322A1 |
In a method for the production of a cement mixture for injection into fine gravel soils, porous or microfractured rocks and/or materials a commercial cement is reduced to fine grain size by milling to a required granulometry an aqueous s...
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WO/1990/013598A1 |
A sprayable composition and a method of protecting material with the composition is disclosed. The composition comprises a polymer such as hydroxyethyl cellulose, clay, and water to provide a cover layer which, after spraying, is tough, ...
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WO/1990/011978A1 |
Cellulosic pulp material is dewatered and/or dried to a water content of up to 20 % by weight. With its dry matter content of up to 55 % by weight of cellulosic fibres and not less than 45 % by weight of inorganic filler particles, the p...
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WO/1990/010780A1 |
The use of aqueous preparations of acid-curing malamine resins and/or urea formaldehyde condensates is facilitated if they contain a zeolite NaA and/or hydrosodalith additive. These preparations are particularly suitable for use in conso...
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WO/1990/008115A1 |
In a process for producing a granular agent for conditioning damaged and/or deficient soils, based on a substance containing magnesium, fine particle magnesium carbonate is mixed with fine particle magnesium oxide and water, the mixture ...
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WO/1990/008226A1 |
The stabilizing method of the invention comprises the impregnation of mineral substances present on the site with at least a mixture of a binder based on sodium and/or potassium alcaline silicates, at least a plastifying additive and at ...
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WO/1990/003958A1 |
The soil regenerating composition is of the type including at least one clay related to zeolites, benthonites and/or vermiculites, an organic material selected amongst organic materials of plant origin, organic materials or animal origin...
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WO/1990/001259A1 |
Substrate for plants containing 20 to 100 % of granular foamed clays or weakly fired ceramic materials, and its use.
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WO/1989/009197A1 |
Said product is obtained by mixing a slag compound in aqueous suspension and a silica solution with a SiO2/Na20 ratio of less than 2 and a silica content not below approximately 10 weight per cent. Said product, which can be injected, ha...
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WO/1989/009251A1 |
The present invention relates to a procedure for locally raising the ground artificially, wherein an equivalent quantity of the calcite (CaCO3) present in the porous underground limestone formations is converted into gypsum (CaSO4.2H2O) ...
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WO/1989/007635A1 |
A composition to be laid to form an exercise area for horses comprises a particulate material such as sand, cold or hot coated with a composition comprising granules of a plastics such as PVC coated with an oil component, e.g. bitumen pl...
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WO/1989/006223A1 |
Calcium sulphate is used together with montmorillonite and at least one phosphate to improve the fermentation of organic fertilizers and/or for conditioning soil.
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WO/1989/006263A1 |
A soil-conditioning material contains soil-compatible electrolytes and an invert sugar in a ratio of approximately 20:1 to 1:10. Said material is useful as a highly effective soil-conditioning material not only in the normal agricultural...
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WO/1989/001547A1 |
In the process described, sewage sludge or sludge from natural water sources is mixed with 30 to 70 wt. %, referred to the dry weight of the sludge, of a water-absorbent aggregate, the mixture so obtained is applied to the soil formation...
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WO/1989/001462A1 |
Soybean meal and urea compositions have been found to exhibit enhanced and commercially useful nematistatic and nematicidal activity in soils. Chitin-protein complex containing materials, e.g., crab shells, shrimp shell, fungal mycelia, ...
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WO/1989/000155A1 |
Soil conditioning and method for desalination and reclamation of irrigated soil by treating said soil with anionic low molecular weight polymeric compounds and/or organophosphorus compounds to inactivate or remove the salts and/or alkali...
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WO/1988/010184A1 |
A process for industrial production of stabilized aggregates comprises the folowing sequence of operations : mechanical reduction by nibbling machine, calibration, heat treatment in a rotary furnace at a decreasing temperature between 80...
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WO/1988/010246A1 |
Process for producing a granular soil conditioner by treating particles of a porous material with a potassium silicate solution, and use.
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WO/1988/004680A1 |
Method for stabilizing clayish formations by injection into the formation of a cationic polymer. The latter is formed by quaternisation of the product obtained from the reaction of a polyamine with a copolymer formed of patterns derived ...
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