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WO/1996/025959A2 |
The invention pertains to sheet-like absorbents for water and aqueous solutions, containing A) at least one water-swellable, synthetic and/or natural superabsorbent polymer and B) at least one water-soluble, synthetic and/or natural poly...
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WO/1996/025958A2 |
The invention pertains to layered bodies used to absorb water and aqueous fluids and made from at least one water-soluble polymer foam layer and particulate superabsorbent polymers in a 1:500 to 50:1 ratio of polymer foam to superabsorbe...
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WO/1996/025475A1 |
Stable and water-resistant aqueous foam composition containing (1) a long-chain cationic organic compound and (2) a long-chain anionic organic compound in a weight ratio of from 0.05:1 to 15:1. The stable foam composition of the inventio...
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WO/1996/024566A1 |
Pyrazol derivatives having general formula (I) are disclosed, as well as their use as nitrification inhibitors. In said formula (I): residues R1, R2, R3 and R4 may be substituted once or twice by halogen and/or hydroxyl; the residues R1,...
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WO/1996/023849A1 |
This invention relates to an earth stabilization fluid and to a method for using such an earth stabilization fluid. This invention uses a continuous phase that has been added to a borehole and a polymer material that forms gel masses hav...
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WO/1996/022011A1 |
The weed-suppressing agent proposed comprises at least one fibrous biodegradable base material such as wood, straw, flax, wool, peat or peat substitutes and at least one added substance such as compost, horn meal, rock meal or slaughterh...
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WO/1996/019546A1 |
Compositions for the prolonged slow release of acetylene in the presence of water comprise a hydrophobic polymer matrix having dispersed throughout it finely ground calcium carbide. The compositions are useful for treating soil to reduce...
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WO/1996/017516A1 |
An inexpensive composition effective for forming a long lasting, erosion controlling, germination promoting, pliable film over bare soil. The composition may be formulated in dry or liquid form and applied as either a dry powder or liqui...
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WO/1996/017900A1 |
A material for greening and soil stabilization is prepared by mixing 100 pts. by wt. of ash with 10 to 50 pts. by wt. of an additive comprising 1 to 20 wt.% of aluminum sulfate, 1 to 20 wt.% of potassium sulfate, 1 to 20 wt.% of powdered...
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WO/1996/016141A1 |
A composition for soil stabilisation or treatment of contaminated soils which comprises a coagulant, preferably a salt of a polyvalent cation, for aggregation of soil particles and preferably a flocculent such as a polyacrylamide for agg...
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WO/1996/015173A1 |
Biodegradable polyesters P1 obtainable by the reaction of a mixture consisting essentially of (a1) a mixture essentially of 35 to 95 mol% adipic acid or ester-forming derivatives thereof or mixtures thereof, 5 to 65 mol% terephthalic aci...
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WO/1996/013560A1 |
A mat (11) for use in horticultural applications formed of shredded paper (13). The mat (11) is formed by treating the paper (13) with an adhesive, depositing the paper (13) onto a conveyor (15) and compressing the paper (13) between rol...
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WO/1996/012559A1 |
Methyl iodide is employed as a soil fumigant for the effective control of plant pathogens, nematodes, bacteria and weeds. Methyl iodide is employed in substantially the same manner as is customary for use of methyl bromide, and is at lea...
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WO/1996/009355A1 |
The invention provides a covering material for agricultural soil, which material contains starch or a derivative or fraction thereof as binder together with a structure-improving amount of an acid and/or an oil, and a finely divided vege...
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WO/1996/008611A1 |
Disclosed is a method for sealing soil formations, wherein a mineral sealing layer consisting of cohesive soil and an additive is deposited on the soil formation and then mechanically compressed, the additive used being dry, sewage or wa...
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WO/1996/005268A1 |
Fatty acids, fatty alcohols and/or their at least largely water-insoluble esters, ethers and/or salts with in particular polyvalent cations that are solid at ambient temperature and/or hardenable in contact with air are used as degradabl...
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WO/1996/004426A1 |
The proposed composite material comprises the following components in wt.%: natural or industrially produced earth: 8.0-75; dispersed waste slag produced in ferrous metallurgy and from which metal impurities have been removed: 10.0-79.5;...
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WO/1996/002479A1 |
A method wherein a feedstock consisting of a powdered and/or particulate material with a variable particle size is impregnated with a solution of a polyelectrolyte that is capable of being chemically combined with at least one of the com...
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WO/1996/001048A1 |
Microspheres containing an agriculturally active material are produced by mixing a liquid phase containing the agriculturally active material and optionally an emulsifying agent and an aqueous phase containing polyvinyl alcohol and addin...
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WO/1996/000818A2 |
A filling up process is disclosed for water-proofing engineering objects buried in the ground. In a first embodiment, an aqueous solution of non-polluting, water-soluble polyvalent metals salts is led onto or into the engineering object ...
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WO/1995/033702A1 |
The pH and moisture values of the proposed water-soluble humic acids, which have mean molecular weights of 5000-100,000, are given by the formula W 100 - 25 (pH - 2), where 2 < pH 6. A method is proposed for obtaining water-soluble humic...
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WO/1995/028456A1 |
A method of stabilising soil and aggregate for structural purposes including the step of mixing with water: (a) a soil aggregate base material; (b) a stabilisation composition comprising: (i) an alkali metal silicate or other suitable ge...
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WO/1995/025759A1 |
Graft polymers containing N-vinyl units in which the graft base is a polymer which contains at least 5 wt % units of formulae (I), (II) in which R1, R2 = H or C1 to C6 alkyl, monoethylenically unsaturated monomers are grafted on the graf...
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WO/1995/021966A1 |
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 homogeneous mixture is prepared f...
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WO/1995/021228A1 |
The bioremediation of hydrocarbon contaminated soil is enhanced by applying to the soil a hydrocarbon solution of a surfactant selected from the group consisting of: (a) mixture of a sorbitan ester of a C7 to C22 monocarboxylic acid and ...
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WO/1995/018070A1 |
A composition for treating water and soils contains (A) CaCO3; (B) CaCl2 and/or Ca(NO3)2 and if required magnesium salts; (C) NaHCO3 and if required KHCO3. The quantitative ratio between components A and B lies between 0.1: 1 and 2: 1 an...
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WO/1995/017455A1 |
The invention relates to cross-linked synthetic polymers based on acrylic acid and its derivatives with a high absorbency and improved absorbency rate for water, aqueous solutions and bodily fluids, a process for their production by radi...
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WO/1995/015986A1 |
Powdery polymers based on n-vinyl caprolactams are produced by polymerising (A) 50 to 100 % by weight N-vinyl caprolactams with (B) 0 to 50 % by weight other N-vinyl lactams, vinyl heteroaromatics, vinyl esters, C1 to C10 alkyl acrylates...
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WO/1995/015931A1 |
The present invention relates to a cement-based injection grout containing microcement and water for consolidation and/or water proofing fine granular soils, finally fissured soils and cracks in rocks or concrete structures. In addition ...
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WO/1995/012560A1 |
A process for treating wood, particularly wood wastes (such as sawdust and the like), and/or paper, particularly waste paper (such as newsprint), and/or other types of polysaccharides (matter composed essentially of cellulose and lignin)...
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WO/1995/011269A1 |
The invention concerns a method of producing low-viscosity water-soluble water-based polymer dispersions containing high concentrations of a polymer (A) with an average molecular weight Mw of at least 5 x 105 Daltons made from water-solu...
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WO/1995/009138A1 |
There is disclosed a method of treating all types of green organic material including small timber pieces, shrubbery, grass cuttings and other green organic material mixing various size components of such organic material together with f...
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WO/1995/009014A1 |
The invention concerns insoluble powder-form water-swellable crosslinked polymers capable of absorbing aqueous or serous fluids, the polymers being made up of: a) 55-99.9 % by wt. of polymerized insaturated acid-group-containing monomers...
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WO/1995/008523A1 |
The present invention provides an enhanced biodegradation process by applying to petroleum-contaminated soil or water essential microbial nutrients in a form capable of releasing the nutrients over time at a rate which, at 25 �C, is su...
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WO/1995/007016A1 |
Process for producing novel mulching pellets from waste paper scrap by incorporating particulate water-insoluble, swellable, gel-forming polymer into the pellet-forming composition. The formed pellets swell and disintegrate after being s...
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WO/1995/006715A1 |
First the contaminated soil is treated by spraying of an N/P type aerobic bacterial flora nutrient in an oleophililic form, and then by the addition of hay and an N/P/K type hydrophilic nutrient mixed into the soil by mechanical means. T...
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WO/1995/003373A1 |
A three-part dry blended soluble mixture which includes a water soluble hydroxyl group bearing polymer, a covalent crosslinking agent, and a catalyst is made into an aqueous solution which is then applied to any underlying material of ch...
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WO/1995/003371A1 |
A method for the manufacture of a peat moss alternative comprises the steps of treating granules of tree or plant bark at an elevated temperature in an aqueous alkaline medium to kill heat labile plant pathogens and to partially dissolve...
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WO/1995/003372A1 |
The description relates to the use of glycerine triesters with lower aliphatic mono-carboxylic acids, citric acid triesters with lower aliphatic monofunctional alcohols and/or epoxidised triglycerides of at least olefinically unsaturated...
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WO/1995/003259A1 |
Novel methods for biodegrading nitroaromatic compounds present as contaminants in soil or water using microorganisms are disclosed. Water is treatable directly; dry soil (22) is first converted into a fluid medium by addition of water. T...
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WO/1995/002565A1 |
Proposed is a mixture intended for use as a recultivation material for covering waste dumps, spoil heaps, excavations, areas of subsidence or hollows in the ground as well as contaminated zones, the mixture forming a layer which enables ...
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WO/1995/002002A1 |
The invention concerns powder-form, water-swelling cross-linked polymers with a high capacity for absorbing, under pressure, aqueous liquids, in particular body fluids, the polymers being made from (a) monomers containing 55-99.9 % by wt...
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WO/1994/028248A1 |
Material for forming soils, layers or subbases used in the preparation of roadways and grounds. The material includes an ungraded granulated material such as sand or industrially derived powder materials to which are added glass filament...
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WO/1994/026503A1 |
The invention concerns weldable drawn plastic strip characterized in that it has at least one surface in which are embedded absorptive particles which have a significantly higher absorptive power for electromagnetic radiation in the 10 t...
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WO/1994/025519A1 |
A polymer composition, in particular an absorbent material composition or an active substance-containing depot material, substantially consists of a water-soluble and/or water-swellable polymer based on polysaccharides as main polymer co...
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WO/1994/022929A1 |
A unique polymer was synthesized via copolymerization of vinylpyridine and acetoxystyrene under radical-initiated conditions followed by acidic or basic hydrolysis of the acetoxy group to afford the corresponding hydroxy group. The built...
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WO/1994/021746A1 |
The present invention relates to a process for the integration of mineral surfaces in an ecological environment by application of a water-based composition, grains, ameliorators, containing at least one pigment, at least one dispersible ...
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WO/1994/018284A1 |
A clay-containing mixture which comprises a powdered or ground smectite and/or a smectite-containing natural rock and 1-10 % by weight of a water-soluble polymer, or a blend which additionally comprises a diluting agent, both capable of ...
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WO/1994/015886A1 |
A sprayable composition and a method of protecting material with the composition is disclosed. The composition comprises a bulking/setting material, a water soluble polymer and water to provide a cover layer which, after spraying, is tou...
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WO/1994/016195A1 |
A process is provided for reducing the inhibiting effect of gas coning on liquid hydrocarbon production into a production wellbore penetrating a subterranean formation having a gas cap overlying a liquid hydrocarbon producing zone in flu...
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