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| Number | Title | Issue Date |
| 7329355 | Method for absorption of hydrocarbons and low-polarity chemicals The present invention relates to methods of recovering hydrocarbons or low polarity organic chemicals from hard surfaces, water and water surfaces, in their vapor state and from porous substrates. The hydrocarbons or low-polarity organic chemicals may be included in... | 02/12/2008 |
| 7309438 | Mitigation of environmental pollution A process for mitigating the pollution caused by a potential polluting agent comprises binding the potential polluting agent with a product obtained by calcining skeletal material and hydrating the calcined skeletal material. ... | 12/18/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 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 |
| 6841077 | Separation of hydrocarbons from hydrocarbon containing liquid A novel filtration media employing polymeric absorbents comprising a material selected from the group consisting of styrene, pentadiene, cyclopentadiene, butylene, ethylene, isoprene, butadiene, propylene and mixtures thereof; and a filtration enabler intimately mix... | 01/11/2005 |
| 6716366 | Chemical composition for treatment of nitrate and odors from water streams and process wastewater treatment Novel compositions are described for use in nitrate removal and treatment of water such as water and wastewater streams produced by processes in mining operations, agriculture industries operations, industrial operations, military operations, etc. These novel compos... | 04/06/2004 |
| 6660698 | Methods for extinguishing petroleum-based fires, suppressing petroleum-released vapors and cleaning petroleum-contaminated surfaces Compositions and methods for emulsifying a petroleum product that has been spilled upon a portion of the earth's surface or that is burning are based upon use of a nonionic, primary surfactant composition comprising a first ethoxylated sorbitol oleate and... | 12/09/2003 |
| 6645930 | Clean room wipes for neutralizing caustic chemicals Clean room wipe products, methods of preparing them, and methods of using them are described. The clean room wipes are intended for use in cleaning up alkaline contaminants in clean room environments. The wipes contain impregnated acidic solutions, e.g., ... | 11/11/2003 |
| 6602181 | Treatments for drill cuttings The invention provides a method for treating drill cuttings, preferably marine cuttings, preferably in situ, so that the cuttings can be discharged into the environment, preferably back into marine waters without causing oxygen depletion of marine sedimen... | 08/05/2003 |
| 6517726 | Contaminant slick dispersal apparatus and methods Method and apparatus for depositing a chemical over a body of water. In one embodiment the invention includes collecting and concentrating a floating contaminant between two floating booms pulled by one or more surface vessels. The booms define an apertur... | 02/11/2003 |
| 6512014 | Compositions containing bioemulsifiers and a method for their preparation A bioemulsifier composition useful for forming and stabilizing oil-in-water emulsions, comprising an esterase protein of 32.5 KD, found in association with emulsan in the bacteria Acinetobacter. The esterase, or parts of it, are isolated from cell extract... | 01/28/2003 |
| 6264398 | Process for the recovery of oil Heavy oil or crude oil spills in sea water are recovered without polluting environment. A natural rubber latex and a coagulant are scattered around lumps of oil spills to coagulate the latex with the coagulant, so that a membrane of the latex is formed ar... | 07/24/2001 |
| 6261463 | Water based oil dispersant An effective and non-toxic oil spill dispersant combines a predominately oil-soluble surfactant (eg., polyethylene glycol mono-oleate) with a predominately water-soluble surfactant (eg., cocoamide) and a co-solvent for coupling a mixture of the predominat... | 07/17/2001 |
| 6224534 | Treatments for cuttings from offshore rigs The invention provides a method for treating marine cuttings, preferably in situ, so that the cuttings can be discharged back into marine waters without causing oxygen depletion of marine sediment. In a preferred embodiment, the treatment emulsifies and t... | 05/01/2001 |
| 6194473 | Chemical dispersant for oil spills (LAW898) A formulation of chemical surfactants, solvents and inorganic salts is effective for dispersing heavy oils in both salt and fresh water. The formulation comprises a mixture of a sorbitan ester of an aliphatic monocarboxylic acid, a polyoxyethylene adduct ... | 02/27/2001 |
| 6180011 | Method for removing hydrocarbon products from water surfaces A method for removing hydrocarbon products from water surfaces, which entails contacting the hydrocarbon products with a crystalline polypropylene, which when observed under a microscope of 2500 magnetization, exhibits a spongy surface having relatively h... | 01/30/2001 |
| 6143172 | Methods for ameliorating hydrocarbon spills in marine and inland waters A plurality of water- and oil-porous sacks are partially filled with a number of generally toroidal bodies of a polymer material that entraps oil and including mesh fragments scattered throughout the bodies. Each sack is sewn with a perimeter stiffening r... | 11/07/2000 |
| 6077322 | Retardation of dispersion of bitumen-in-water emulsions Methods and additive compounds for retarding the dispersion in water of bitumen-in-water emulsions, and in particular ORIMULSION, are disclosed. Methods include applied mixing at high speed and changing the pH of the emulsion. Additives include salts and ... | 06/20/2000 |
| 6054055 | Oil congealing composition The invention discloses oil congealing compositions to coagulate oil that has been spilled on water. The congealing composition is oliophilic based and floats on the water surface to contract and congeal oil spills in both salt and fresh water, which incl... | 04/25/2000 |
| 6036849 | Process for the removal of hydrocarbons from soils A method of removing hydrocarbons from soils contaminated with various hydrocarbons such as gasoline, diesel fuel, solvents, motor oil and crude oil. The process first screens the soil to remove oversized rocks and debris and to reduce the contaminated so... | 03/14/2000 |
| 6030536 | Disposal method for fuel oil and crude oil spills A method for easily decomposing viscous, solidified spilled fuel oil or crude oil containing sea water and other disposal inhibiting substances. Titanium dioxide particles are added to viscous spilled fuel oil recovered in drums in a weight ratio of at le... | 02/29/2000 |
| 6030467 | Surfactant-aided removal of organics The present invention relates to a surfactant solution, and to using an aqueous solution of the surfactants, optionally with an antifoaming additive, for removing or washing MFAC contaminants from equipment, sludge, scale, and soil, among others. Examples... | 02/29/2000 |
| 6027653 | Method of removing organic compounds from air and water columns A method for the removal of organic compounds from columns of air or water. The method utilizes a solidifying organic polymer-based filtration media and activated carbon placed in separate containers and arranged in an in-line, two phase process to extrac... | 02/22/2000 |
| 5993660 | Method of remediation of contaminants in porous media through minimization of bouyancy effects A method for controlling vertical migration of contaminants in an aquifer includes introduction of a solubilizing solution having a surfactant and an alcohol or other light co-solvent. The surfactant is selected to solubilize the contaminant. The alcohol ... | 11/30/1999 |
| 5977189 | C7 -C12 diol and diol alkoxylates as coupling agents for surfactant formulations Disclosed are stable monophasic liquid compositions comprising water, one or more cationic, anionic, amphoteric and/or nonionic surfactants, exhibiting partial solubility in water or in concentrated formulations, and one or more coupling agents which are ... | 11/02/1999 |
| 5961823 | Oil coagulant products and methods of use therefor Oil coagulant compositions, and methods of using such compositions to coagulate the oil that has been spilled on water are prepared from a thermal reaction utilizing an oil component selected from the group consisting of glycerides, fatty acids, alkenes a... | 10/05/1999 |
| 5948266 | Hand manipulable skimmer system for removing an oil sheen from the surface of a body of water A portable liquid surface skimmer efficiently removes small spills of petroleum derivatives from the surface of water, and is useful, for example, on thin sheen spills of oil or gasoline, in boating marinas. The skimmer is controlled by a long handle held... | 09/07/1999 |
| 5908558 | Method and apparatus for removing contaminants from fluid columns A method and apparatus for removal of contaminants from fluid columns utilizes a solidifying polymer-based filtration media to extract pollutants, such as organic compounds and metals. Dissolved, emulsified or suspended contaminants are absorbed and solid... | 06/01/1999 |
| 5876631 | Fluorinated organic gelation agents The present invention generally relates to the formation of organic gels by dissolving organic gelling agents in organic solvents. The aryl cyclohexanol gelling agents employed in this invention are not structurally related to previously known gellation a... | 03/02/1999 |
| 5863440 | Methods for ameliorating oil spills in marine and inland waters A plurality of water- and oil-porous sacks are partially filled with a number of generally toroidal bodies of a polymer material that entraps oil and including mesh fragments scattered throughout the bodies. Each sack is sewn with a perimeter stiffening r... | 01/26/1999 |
| 5849193 | Surface active metal chelated nutrients for bioremediation of hydrocarbon contaminated soils and water The present invention provides for enhanced bioremediation of hydrocarbon contaminated soils and waters by treating soil or water with a composition comprising of a metal chelated macrocyclic amido amines or mixtures thereof represented by the structural ... | 12/15/1998 |
| 5840211 | Oil slick dispersants A composition for dispersing oil slicks comprises a surfactant or a mixture of surfactants having the general formula: ##STR1## wherein R1 and R2 may be the same or different oxyalkylene or polyoxyalkylene groups, and wherein R | 11/24/1998 |
| 5837146 | Oil coagulant products and methods of use therefor Oil coagulant compositions, and methods of using such compositions to coagulate the oil that has been spilled on water are prepared from a thermal reaction utilizing an oil component selected from the group consisting of glycerides, fatty acids, alkenes a... | 11/17/1998 |
| 5833862 | Method of removing organic compounds from air and water columns A method for the removal of organic compounds from columns of air or water. The method utilizes a solidifying organic polymer-based filtration media and activated carbon placed in separate containers and arranged in an in-line, two phase process to extrac... | 11/10/1998 |
| 5797700 | Polyoxyethylene glycol and polyglycerol twin tail surfactant formulations for dispersion of crude oil The present invention provides a composition for dispersing oil slicks comprising a twin tail surfactant or mixture of twin tail surfactants having the general formula: ##STR1## wherein R1 and R3 may be the same or different alk... | 08/25/1998 |
| 5788865 | Process for separating a hydrophobic liquid from a liquid contaminated therewith Disclosed herein is a process for separating a hydrophobic liquid from a substantially polar medium through the application of expanded graphite particles. Upon contacting the hydrophobic liquid floating agglomerates of expanded graphite and hydrophobic l... | 08/04/1998 |
| 5772877 | Apparatus for magneto-fluidic water/oil separation A system for extracting oil from aqueous solutions or for extracting aqueous solutions from oil. The system imparts magnetic properties to the medium being extracted, using a multi-layer surfactant magnetic colloid. The system uses magnetic traps designed... | 06/30/1998 |
| 5769777 | Method for absorbing organic pollutants The invention concerns a method for absorbing organic, ecologically stressed pollutants (1) such as oil, tar and phenols on grounds (12), rubble or solid disposal site surfaces which are floating on or in waters of a disposal site with liquid and/or sludg... | 06/23/1998 |
| 5753127 | Compositions and methods for dispersing and biodegrading spilled petroleum oils and fuels Compositions and methods for emulsifying a petroleum product that has been spilled upon a portion of the earth's surface are based upon use of a nonionic, primary surfactant composition comprising a first ethoxylated sorbitol oleate and, preferably, a sec... | 05/19/1998 |
| 5744046 | Process for the treatment of an aqueous medium polluted with hydrocarbons and a de-emulsifying and dispersing composition based on polyglycerol esters A process is described for the treatment of an aqueous medium which has been polluted with hydrocarbon compounds, termed crude oil, and a demulsifying and dispersing composition. The crude oil is brought into contact with a solution of a mixture of polygl... | 04/28/1998 |
