Class / Patent application number | Description | Number of patent applications / Date published |
252880100 | DUST SUPPRESSANTS FOR BULK MATERIALS, OR PROCESSES OF PREPARING (E.G., FOR CONSOLIDATING DUST IN COAL MINES, CONTROLLING SOIL EROSION, ETC.) | 33 |
20090065736 | CHEMICAL MODIFICATION OF MALEATED FATTY ACIDS - Chemically modified maleated fatty acid compositions and the salts thereof, especially chemically modified tall oil fatty acid containing compositions are useful in formulating corrosion inhibitors, as emulsifiers, as collectors in mining applications, and as cross-linking agents, such compositions find particular utility for petroleum-related applications. | 03-12-2009 |
20090090890 | Compositions for dust suppression and methods - The present invention relates to compositions useful for the suppression of fugitive dust emissions and methods of suppressing dust emissions by application of an aqueous solution comprising a surfactant, wetting agent and an acrylic copolymer. The compositions of the invention are effective in wetting, penetrating and improving particle cohesion and reducing water evaporation. They can also be used as a knockdown agent for airborne dust and for minimising soil and dust erosion, blowing and loss from roads and bulk solids, mineral flotation processes, waste management applications and as a binding agent. | 04-09-2009 |
20090134355 | Composition for Dust-Preventive Treatment - A composition for dust-preventive treatment including an aqueous dispersion of fluorine-containing polymer showing a low potential for environmental concerns and a dust prevention effect as high as that of known composition for dust-preventive treatment. The composition for dust-preventive treatment includes an aqueous dispersion of fluorine-containing polymer containing 50 ppm or less of a fluorine-containing emulsifier. The composition for dust-preventive treatment comprising aqueous dispersion of fluorine-containing polymer containing 50 ppm or less of a fluorine-containing emulsifier can preferably be obtained by removing the fluorine-containing emulsifier from a polymer dispersion prepared by polymerizing tetrafluoroethylene using the fluorine-containing emulsifier. | 05-28-2009 |
20090173911 | Liquid for preventing dispersion of or for fixing dispersible dust - A fixing liquid for properly and economically suppressing or preventing dispersion of dust (asbestos dust) generated through weathering or demolition of a sprayed-on material containing asbestos is prepared by homogeneously incorporating a surfactant and a thickener (e.g., CMC) into a solution of a polysaccharide (e.g., gum arabic). When an appropriate amount of the fixing liquid is sprayed onto a sprayed-on material containing asbestos, dust due to weathering of the sprayed-on material is wetted and retained, and dispersion of dust generated during demolition of the material is suppressed or prevented. Even after drying of the fixing liquid, the viscosity of the liquid is restored by re-wetting with water, and dispersion of dust generated during demolition of the thus-treated material is suppressed or prevented. Since the thickener has an increased volume in the presence of water, the thus-treated material is readily removed. | 07-09-2009 |
20090189113 | Suppression for Dust - A method of suppressing dust formation in a particulate mineral material, which particulate mineral material has been dewatered from a suspension of said material, comprising the steps of transferring the suspension of particulate mineral material as a fluid to a deposition area, and in which the suspension is allowed to stand and dewater at the deposition area to form a dewatered particulate mineral material, wherein suppression dust formation of the material is achieved by adding a dust suppressing amount of a polymer to the suspension of the particulate mineral material while it is being transferred as a fluid to the deposition area, wherein the polymer is either a synthetic water-soluble polymer formed from one or more ethylenically unsaturated monomers having an intrinsic viscosity of at least 4 dl/g or a water-soluble polymer that is a natural polymer or semi natural polymer. | 07-30-2009 |
20090236560 | Method for Dust-Preventive Treatment of Material Having Dusting Property - A method for dusting-preventive treatment of a dusting material using a dust-preventive treatment agent including a PTFE aqueous dispersion having lower potential for environmental concerns, which method is as effective as a known method and further has a lower possibility of environmental concerns, and the dust-preventive treated material obtained by treating the dusting material by the method. The method involves mixing a dust preventing treatment composition composed of an aqueous dispersion of polytetrafluoroethylene containing 50 ppm or less of a fluorine-containing emulsifier with the dusting material and then forming fibrils of polytetrafluoroethylene by applying a compression/shear force to the mixture above at a temperature of about 20° C. to 200° C. | 09-24-2009 |
20090250657 | Soil consolidation composition - A soil consolidation composition with a first part of an alkali metal silicate solution and a second part of a metal alcholate mixture. The alkali metal silicate of the first part is chosen from the group of alkali metal silicates including sodium, silicate, lithium silicate and potassium silicate, either individually or in combination. The metal alcholate mixture of the second part is a mixture of tri-acetine, di-acetine and tri-glycerol-di-acetine. | 10-08-2009 |
20100025625 | PITCH EMULSIONS - An emulsion of pitch in water characterized by having a lower level of tack on drying by virtue of the incorporation of a finely divided filler, where the emulsion is useful for reducing the development of fugitive dust in a dust-forming material. | 02-04-2010 |
20100078590 | SOLUBLE SALT PRODUCED FROM A BIOPOLYMER AND A PROCESS FOR PRODUCING THE SALT - Modifications to the extracellular polymeric substance, predominantly extracellular polysaccharide, of a biopolymer produced by | 04-01-2010 |
20100090160 | COMPOSITION FOR DUST CONTROL AND LIMITING MOISTURE RE-ABSORPTION - The current invention relates to a composition that allows for the reduction of dust in an environment through application to a hard surface in that environment or dispersal of dust into the environment is minimized. The composition allows for instant reduction of dust and for the elimination of the absorption of moisture on surfaces that are prone to this over time. The invention is usable with mined minerals or synthesized materials that are prone to produce dust and absorb moisture during storage and transport so the composition can allow for a safer environment and longer storage of products. | 04-15-2010 |
20100140539 | METHOD AND COMPOSITION TO FORM A FLEXIBLE CRUST ON A SUBSTRATE - The invention relates to a compound of two main components, a polysaccharide and a borate provider, that form a flowable, penetrating liquid when mixed, then cross-link and gel to form a stable, flexible crust when applied to a substrate. The crust stabilizes the substrate and prevents loss of particulate matter, but can be softened or mechanically worked to allow access to the substrate, for example for further processing. Additives may be used to control specific properties of the crust. | 06-10-2010 |
20100301266 | Coal Topper Dust Control Formulation, System and Method - This disclosure describes formulations, systems and methods for coal topping, a term which refers to the application of liquid products to the top of coal loads, such as those in open topped coal hopper railcars as commonly used today to transport coal. Disclosed herein are controlled viscosity fluid formulations suitable for use as a coal topper. The fluids include water as a base solvent, polymer and, optionally, crosslinking agents and plasticizer. The polymer is a water-soluble polymer with reactive groups capable of producing viscosity in the solvent and reacting with crosslinking agents and the plasticizer. The polymer is one capable of manipulation to produce appropriate viscosity levels on a consistent basis. Crosslinking agents consist of chemicals capable of reacting with the reactive polymer to produce complexes that become essentially insoluble on drying. The plasticizer is an agent capable of providing for a dried matrix with flexibility without loss of strength. | 12-02-2010 |
20110049417 | DEDUSTING COMPOSITIONS AND METHODS FOR MAKING AND USING SAME - Compositions for reducing the formation of dust and methods for making and using same are provided. The composition can include an emulsion comprising one or more pitches, one or more fatty acids, one or more rosins, or any combination thereof. The composition can also include one or more film forming polymers, one or more oils, or a combination thereof. | 03-03-2011 |
20110168943 | Pitch Emulsions - An emulsion of pitch in water preferably characterized by having a lower level of tack on drying by virtue of using as the emulsifying agent a fatty acid, a chemically modified fatty acid, a rosin acid, a chemically modified rosin acid, or combinations thereof, especially a tall oil fatty acid, or a chemically modified tall oil fatty acid, where the pitch emulsion is useful for reducing the development of fugitive dust in a dust-forming material. | 07-14-2011 |
20110272626 | CHEMICAL METHOD AND COMPOSITION FOR SOIL IMPROVEMENT - A composition for chemical soil improvement includes a synthetic fluid or base oil, a pour point depressant, polyisobutylene, and synthetic fibers, and various combinations thereof. | 11-10-2011 |
20110272627 | CHEMICAL METHOD AND COMPOSITION FOR SOIL IMPROVEMENT - A composition for chemical soil improvement includes a synthetic fluid or base oil, a pour point depressant, polyisobutylene, and synthetic fibers, and various combinations thereof. | 11-10-2011 |
20120168673 | DUST SUPPRESSION AGENT - A composition for dust suppression including an acrylic polymer, a polyvinyl acetate polymer, glycerin, and water is herein disclosed. | 07-05-2012 |
20120248369 | CHEMICAL BINDER FOR COATING PAYLOAD IN OPEN TOP HOPPER CARS, TRUCKS, PILES, AND SIMILAR STORAGE/SHIPPING CONTAINERS - The invention is directed towards methods and compositions for treating piles of particulate materials to inhibit and prevent the loss of valuable fuel or mineral dust from being released from storage piles or open containers. The method involves applying to the pile a binder coating containing VAE and crude glycerin. The binder coating cures and hardens slowly so it is able to remain flexible while the pile or payload is still settling, jostling, being bumped, and otherwise moving around. This coating is especially effective for coal piles and also for piles within and for being moved by open topped railroad cars. The coating's flexibility prevents the coating from becoming brittle and shattering. The coating has better performance than its ingredients do alone. The coating is effective both when it is flexible and after it cures. As a result the invention can both prevent unwanted dust pollution as well as save its users money by avoiding loss of blown away material. | 10-04-2012 |
20120267565 | ROAD AND SOIL TREATMENT APPLICATIONS - A composition and method for stabilising an unsealed surface, the composition comprising hygroscopic material and one or more cationic or non-ionic emulsions. | 10-25-2012 |
20130140486 | CHEMICAL METHOD AND COMPOSITION FOR SOIL IMPROVEMENT - A composition for chemical soil improvement includes a synthetic fluid or base oil, a pour point depressant, polyisobutylene, and synthetic fibers, and various combinations thereof. | 06-06-2013 |
20130256589 | COMPOSITION FOR DUST CONTROL AND LIMITING MOISTURE RE-ABSORPTION - The invention provides methods and compositions for the reduction of dust in an environment through application to a hard surface in that environment or dispersal of dust into the environment is minimized. The composition allows for instant reduction of dust and for the elimination of the absorption of moisture on surfaces that are prone to this over time. The invention is usable with mined minerals or synthesized materials that are prone to produce dust and absorb moisture during storage and transport so the composition can allow for a safer environment and longer storage of products. | 10-03-2013 |
20140034871 | DEDUSTING COMPOSITIONS AND METHODS FOR MAKING AND USING SAME - Compositions for reducing the formation of dust and methods for making and using same are provided. The composition can include an emulsion comprising one or more pitches, one or more fatty acids, one or more rosins, or any combination thereof. The composition can also include one or more film forming polymers, one or more oils, or a combination thereof. | 02-06-2014 |
20140138573 | Chemical Method and Composition for Soil Improvement - A composition for chemical soil improvement includes a uniform molecular structure synthetic fluid with a substantially uniform molecular structure, a pour point depressant, polyisobutylene, and synthetic fibers, and various combinations thereof. | 05-22-2014 |
20140231705 | AQUEOUS POLYMER COMPOSITION FOR REMOVING DUST - The present invention relates to an aqueous polymer composition for removing dust. The composition comprises a cellulose ether and water, and the cellulose ether can be dissolved in water to produce a dust removing cellulose ether aqueous solution which then exhibits a long-term dust removing effect due to the water-retention properties and the film forming properties of the cellulose ether. | 08-21-2014 |
20140264156 | COMPOSITION FOR MINERAL SUPPLEMENT ANTICAKING AND DUST CONTROL - The invention is directed towards methods and compositions for simultaneously preventing caking and dusting problems in mineral supplement. The method involves treating the mineral supplement with a composition comprising sorbitan N-esters (of fatty acids), mineral oil, and microcrystalline wax. This invention allows a user to solve two different problems each of which is often made worse by the cure for the other with a single composition. Best of all the single composition requiring minimal heating for application. | 09-18-2014 |
20150008362 | COMPOSITION FOR CHEMICAL IMPROVEMENT OF SOIL AND ROAD BASE MATERIALS - A treatment for soils and road base materials including applying to the soil or road base materials an organosilicon waterproofing agent, and applying to the soil or road base material a soil stabilizer binder including an acrylate ester polymer emulsion. | 01-08-2015 |
20150060724 | USE OF A POLYMER DISPERSION AS DUST CONTROL AGENT - The present invention relates to the use of polymer dispersions for dust control, wherein these polymer dispersions can be obtained by radically initiated emulsion polymerisation of the components a to e: a. 2-75% by weight styrene and/or substituted styrene and b. 0 to 75% by weight acrylic acid C1-C2 ester and/or methacrylic acid C1 to C12 ester and c. 0 to 50% by weight acrylonitrile and/or methacrylonitrile and d. 0 to 50% by weight of at least one further copolymerisable ethylenically unsaturated monomers with one or more C—C double bonds in the presence of e. 10 to 7% by weight starch and/or modified starch and/or degraded starch and/or degrated modified starch wherein the polymerisation is carried out in water. | 03-05-2015 |
20150115197 | DUST SUPPRESSION COMPOSITION AND METHOD - A dust suppression composition includes a combination of a crusting agent, a dust suppression agent and a carrier. A method of suppressing dust of an aggregate material includes the step of contacting aggregate material with an effective amount of that dust suppression composition. | 04-30-2015 |
20150144836 | COMPOSITION FOR DUST CONTROL - The invention is directed towards methods and compositions for preventing dusting problems in mineral supplement. The method involves treating the mineral supplement or a dust releasing material with a composition comprising polymerized organic acid. | 05-28-2015 |
20150299545 | DUST SCATTER PREVENTING AGENT AND DUST SCATTER PREVENTING METHOD USING SAME - Provided is a dust scatter preventing agent capable of preventing scattering of dust for a long period of time, by improving the strength of a coating layer formed on a surface of a tailing at a tailing accumulation site. A dust scatter preventing agent comprising an aqueous solution or aqueous dispersion that includes a hydrophilic polymer such as polyvinyl alcohol or a synthetic resin emulsion that has a property of being solidified and that has a contact angle with water of 45 degrees to 78 degrees, and an insoluble fiber material such as vinylon that has a cut length that is within a range of 0.5 mm to 30 mm, and a fineness that is within a range of 0.1 dtex to 20 dtex, with an amount of the insoluble fiber material with respect to the hydrophilic polymer being 0.1 to 1 by mass ratio, is spread over a surface of an object that includes fine particles having a particle size of 100 μm or less and hardened to form a coating layer on the surface of the object. | 10-22-2015 |
20150376410 | CATIONIC ASPHALT EMULSION FOR PRIME COAT - A cationic asphalt emulsion for prime coat according to this invention can be used as prime coat for road base course—both untreated base course and treated base course. Once the asphalts dry, they will securely adhere to the base course. It's convenient to use since no need to heat asphalt emulsion while using. The viscosity can be altered by adding the water, so no fire hazardous during heating. The traffic can be back to normal without spreading sand. Besides, the cost is much lower compared to the cutback asphalts, and also less volatile hydrocarbon solvent emissions into the atmosphere. Other than road construction, it can also be applied in other applications, such as temporary covering road in the mine or road under construction, covering open space to reduce airborne dust generated by wind, and covering ground under the building to prevent termite entry into the building, etc. | 12-31-2015 |
20160200954 | Suppression for Dust | 07-14-2016 |
20180021980 | Composition Comprising Calcium Magnesium Compound(s) as Compacts | 01-25-2018 |