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| Number | Title | Issue Date |
| 8114004 | Method and device for evaporate/reverse osmosis concentrate and other liquid solidification A Method and Device for solidification of waste liquids and fluids is disclosed, which is particularly well suited to processing radioactive waste fluids. Set forth is a receiving unit or subassembly for housing solidification agent, and one or more manifold units o... | 02/14/2012 |
| 7922644 | Hazardous particle binder, coagulant and re-aerosolization inhibitor A copolymer and water/ethanol solvent solution capable of binding with airborne contaminants or potential airborne contaminants, such as biological weapon agents or toxic particulates, coagulating as the solvent evaporates, and adhering the contaminants to a surface... | 04/12/2011 |
| 7662081 | Apparatus, composition, and methods to remediate an acid and/or liquid spill A method to remediate a release of one or more acidic materials, by supplying a powder composition comprising a polyacrylamide, and disposing that powder onto a liquid spill comprising one or more acidic materials. ... | 02/16/2010 |
| 7213411 | Method and device for the rapid solidification of aqueous substances A method and devices for the solidification of aqueous substances by the direct evaporation of water from the substance and the sorption of the water vapor in a sorption agent in a vacuum system, wherein the aqueous substance and the sorption agent are evacuated fro... | 05/08/2007 |
| 7197266 | Ink disposal in cartridges An apparatus for assisting in the removal or waste or excess ink and a method for disposal of ink from electrophotographic printers comprises providing electrophotographic ink from a source, combining the ink with an absorbable material in a container to form a soli... | 03/27/2007 |
| 7128780 | Process for producing building materials from raw paint sludge A process for producing building materials, such as asphalt, cement, concrete, mortar, or plaster board from liquid paint sludge containing water and paint solids produced from overspray in commercial paint booth operations. The preferred embodiment comprises adding... | 10/31/2006 |
| 6999702 | Ink disposal in cartridges An apparatus for assisting in the removal or waste or excess ink and a method for disposal of ink from electrophotographic printers comprises providing electrophotographic ink from a source, combining the ink with an absorbable material in a container to form a soli... | 02/14/2006 |
| 6955638 | Process for disposing of solvent-containing liquids A process for disposing of solvent-containing liquids so that they do not contaminate ground water. An absorbent blend is mixed into a water-containing solvent mixture at the rate of about 1 lb. of blend per gallon of liquid. The blend is made up of a swellable poly... | 10/18/2005 |
| 6936745 | Selective polymer wrapping of radioactive materials A selective polymer-wrapping process is disclosed which is capable of exclusively wrapping radioactive particles from solid waste streams at room temperature. Accordingly, separation of wrapped radioactive particles from unwrapped non-radioactive particles is facili... | 08/30/2005 |
| 6926837 | Process for the treatment of waste materials The invention relates to a mixture and a process for the treatment of waste materials and the use of the mixture for the treatment of waste materials and waste material treated therewith. The mixture comprises (A) at least one zinc salt of a saturated o... | 08/09/2005 |
| 6907213 | Ink disposal in cartridges An apparatus for assisting in the removal or waste or excess ink and a method for disposal of ink from electrophotographic printers comprises providing electrophotographic ink from a source, combining the ink with an absorbable material in a container to form a soli... | 06/14/2005 |
| 6902002 | Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations The present invention relates to subterranean cementing operations and, more particularly, to cement composition that include improved lost circulation materials, and methods of using such cement compositions in subterranean formations. In certain exemplary embodime... | 06/07/2005 |
| 6518477 | Simplified integrated immobilization process for the remediation of radioactive waste A method for remediating non-homogeneous radioactive waste to significantly reduce the waste mass/volume and to convert such waste to products that meet federal regulatory compliance standards is disclosed. High level waste (HLW) stored in underground tan... | 02/11/2003 |
| 6388163 | Method for chemically inactivating energetic materials and forming a nondetonable product therefrom A method for rendering nondetonble energetic materials, such as are contained in or removed from decommissioned ordnance. The energetic materials are either combined with epoxy hardener or are combined with other compounds, preferably amine compounds, to ... | 05/14/2002 |
| 6251058 | Treatment of soil contaminated with hazardous residues A method for removal of organic contaminants from solid particulate soil contaminated with the organic contaminants. The method comprises forming an aqueous slurry of a mixture of a hydrophobic adsorbent selected from foamed synthetic materials or natural... | 06/26/2001 |
| 6203484 | Methods for disinfecting wastes The invention provided relates to the use of polyvinylpyrrolidone-iodine complexes in combination with gelling agents to produce strong disinfectants which not only physically stabilize biohazardous and infectious wastes but also kill pathogens contained ... | 03/20/2001 |
| 6153809 | Polymer coating for immobilizing soluble ions in a phosphate ceramic product A polymer coating is applied to the surface of a phosphate ceramic composite to effectively immobilize soluble salt anions encapsulated within the phosphate ceramic composite. The polymer coating is made from ceramic materials, including at least one inor... | 11/28/2000 |
| 6121039 | Composition, method and apparatus for safe disposal of oil contaminated filter media There is provided compositions, methods and apparatus (kits) for treating petroleum and petro-chemical based contaminants within expended filtration components, wherein the filtration components are exposed to a coagulant which forms a solid or gel with t... | 09/19/2000 |
| 6087548 | Method and assembly for sterilizing contaminated waste The invention relates to a disposable assembly for collecting contaminated waste, comprising a heat-stable container (1), for example made of metal, in order to withstand, without deformation, the conditions, particularly the temperature conditions, of a ... | 07/11/2000 |
| 6077212 | Process for the confinement of solid materials A process for the confinement of generally harmful solid materials is disclosed and claimed. The solid materials are immobilized and confined within a solid matrix for an unlimited storage free from pollution risks. The solid materials are mixed with at l... | 06/20/2000 |
| 6071043 | System for securing landfills The invention provides a method for securing waste landfills so as to prevent seepage of fluids into natural formations. A coating composition containing rubber crumb is sprayed onto polymeric liners enclosing the waste so as to encapsulate the ends or se... | 06/06/2000 |
| 6010444 | Infectious waste containment system A method for containing potentially infectious devices. The potentially infectious devices are deposited in a container which contains a monomer, a reducing agent and water. An oxidizing agent is later added to cause polymerization of the monomer to immob... | 01/04/2000 |
| 5993372 | Method and apparatus for collecting and containing hydrocarbon spills and leaks A method and apparatus for collection and containment of hydrocarbons that may be spilled or leaked by equipment utilizing an internal combustion engine, transmission or fuel tank prevents pollution of the environment. Hydrocarbons accumulated in a spill ... | 11/30/1999 |
| 5972470 | Absorption mat and method of making same An absorption mat 1 receives organic hydrocarbons in liquid, paste-like or solid form, for example, oil, fats, fuels and solvents. The absorption mat includes a plate-like molded body 2 made of rubber granulate 3 or rubber shavings 3 bonded to each other ... | 10/26/1999 |
| 5968814 | Portable system and method for controlling and absorbing spills of petroleum products The present invention relates to a portable system for controlling and absorbing petroleum spills, such as occurs upon accidental damage to a diesel fuel tank of a truck. The system has a collapsible containment pool which can be stowed when not in use an... | 10/19/1999 |
| 5969209 | Process and composition for soil remediation Compositions and methods are provided for the decontamination of waste matter, in particular for soil remediation. The methods include making and applying a polymer composition to waste matter and subjecting the waste matter and polymer composition to rad... | 10/19/1999 |
| 5962630 | Process and material that encapsulates solid hazardous waste A method of encapsulating mixed waste in which a thermoplastic polymer having a melting temperature less than about 150° C. and sulfur and mixed waste are mixed at an elevated temperature not greater than about 200° C. and mixed for a time sufficient to... | 10/05/1999 |
| 5926772 | Composition and process for the encapsulation and stabilization of radioactive, hazardous and mixed wastes The present invention provides a composition and process for disposal of radioactive, hazardous and mixed wastes. The present invention preferably includes a process for multibarrier encapsulation of radioactive, hazardous and mixed wastes by combining su... | 07/20/1999 |
| 5916122 | Solidification of aqueous waste This invention involves the solidification of aqueous waste with neutralized cross-linked polyacrylates prior to landfill disposal and to further minimize leachate treatment from landfills through the direct application of a neutralized cross-linked polya... | 06/29/1999 |
| 5906572 | Liquid hydrocarbon sorbing and solidifying pillow A device for collection and containment of spilled or leaked liquid hydrocarbons absorbs pollutants that come in contact. The absorbed material is solidified-within the pillow into a rubber-like mass. An impermeable layer-of material may be utilized in fo... | 05/25/1999 |
| 5862494 | Method for entrapping and minimizing moisture bearing low-level radioactive and mixed waste material The present invention provides an encapment process for rapidly stabilizing and substantially reducing the volume of moisture bearing radioactive and mixed hazardous waste materials. The present process effectively utilizes polyacrylate encapsulating mate... | 01/19/1999 |
| 5851278 | Method of nonhazardous removal of paint containing heavy metals and coating preparation for performing the same The present invention involves a method of removing paint containing heavy metal from a surface without the production of hazardous wastes. Specifically, this method involves applying a coating preparation to the heavy metal containing paint prior to its ... | 12/22/1998 |
| 5844008 | Process for treating municipal solid waste A foamed solid product characterized in that said product is produced and prepared by a continuos process comprising mixing water permeated municipal solid waste (MSW) with a solidification reagent, wherein said solidification reagent initiates a polymeri... | 12/01/1998 |
| 5769938 | Waste-treating agent To treat waste containing harmful netals such as lead, cadmium, mercury, chromium, copper, nickel, zinc, etc., the waste is mixed with a treating agent containing, as the essential constituent component, solid acid(s) and/or cement and additionally a caki... | 06/23/1998 |
| 5732363 | Solidifying material for radioactive wastes, process for solidifying radioactive wastes and solidified product There are provided a solidifying material used for radioactive waste which comprises a latent hydraulic material, an ultra-fine powder substance and a dispersing agent, and a process for the solidification of radioactive wastes which comprises kneading th... | 03/24/1998 |
| 5730558 | Liquid hydrocarbon sorbing and solidifying pillow A device for collection and containment of spilled or leaked liquid hydrocarbons absorbs pollutants that come in contact. The absorbed material is solidified within the pillow into a rubber-like mass. An impermeable layer of material may be utilized in fo... | 03/24/1998 |
| 5732364 | Composition and process for the encapsulation and stabilization of radioactive, hazardous and mixed wastes The present invention provides a composition and process for disposal of radioactive, hazardous and mixed wastes. The present invention preferably includes a process for multibarrier encapsulation of radioactive, hazardous and mixed wastes by combining su... | 03/24/1998 |
| 5674175 | Point-of-use infectious waste disposal system A method for containing potentially infectious devices. The potentially infectious devices are deposited is a container to which is added an MDI-based urethane prepolymer-containing composition to at least partially envelope the potentially infectious dev... | 10/07/1997 |
| 5663477 | Hydrocarbon disposal method A method for the disposal of a hydrocarbon. The hydrocarbon is intimately mixed with an aqueous solution. The aqueous solution includes a hydrophilic monomer, a cross-linking agent and an emulsifier. The emulsion is then solidified for disposal through th... | 09/02/1997 |
| 5649323 | Composition and process for the encapsulation and stabilization of radioactive hazardous and mixed wastes The present invention provides a composition and process for disposal of radioactive, hazardous and mixed wastes. The present invention preferably includes a process for multibarrier encapsulation of radioactive, hazardous and mixed wastes by combining su... | 07/15/1997 |
