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| Number | Title | Issue Date |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 7279017 | Method for converting heavy oil residuum to a useful fuel A method for enabling the use of heavy oil residuum by conversion to a useful product. The method, in one embodiment, involves the use of a heavy oil residuum which is substantially non flowable. The viscosity of the residuum is reduced by heat or a combination of h... | 10/09/2007 |
| 6786961 | Stabilizer for asphalt emulsion The present invention provides a stabilizer for asphalt emulsion by which asphalt emulsion having a good chemical stability and being excellent in stationary stability and storage stability can be obtained. A polyoxyethylene adduct compound having a terminal group A... | 09/07/2004 |
| 6685765 | Water based protectant containing UV absorbers A water-based protective composition for automotive surfaces and the like is disclosed, comprising UV absorbers and light stabilizers. A method of using a water-based protective composition as well as methods of applying said compositions are also disclos... | 02/03/2004 |
| 6669763 | Water based protectant containing a reaction product of two ionic surfactants A composition for application to a surface and a method of making the same, said composition comprising at least one wax; at least one reaction product derived from a first surfactant and a second surfactant; and between 40% and 99.8% water by weight. The... | 12/30/2003 |
| 6548558 | Contaminant dispersants useful in recycling of treated containers Methods for controlling wax and other contaminants by improving the dispersion of these materials through the addition of contaminant dispersants to the process of recycling paper and paperboard are disclosed. A preferred contaminant dispersant comprises:... | 04/15/2003 |
| 6300508 | Thickened aqueous surfactant solutions Fatty acid esters of alkylene glycols corresponding to the formula R1 COO(AlkO)n H are thickeners for aqueous surfactant solutions, particularly for personal care products.... | 10/09/2001 |
| 6248793 | Contaminant dispersants useful in recycling of treated containers Methods for controlling wax and other contaminants by improving the dispersion of these materials through the addition of contaminant dispersants to the process of recycling paper and paperboard are disclosed. A preferred contaminant dispersant comprises:... | 06/19/2001 |
| 6197837 | Method for fluidizing tars A process for the preparation of an aqueous tar suspoemulsion includes the steps of mixing a mixture including (a) a viscous tar composition formed from a tar, from inorganic solids and, optionally, from water; (b) water (W); (c) a surface-active agent (S... | 03/06/2001 |
| 6162453 | C7 -C12 Diol & Diol alkoxylates as coupling agents for surfactant formulations A stable monophasic liquid composition characterized by the ability to solubilize increased amounts of surfactant into the composition while retaining a monophasic state, the composition comprising: one or more surfactants selected from the group consisti... | 12/19/2000 |
| 6114418 | Nonionic emulsifier for asphalt The present invention provides an oil-in-water asphalt emulsion having excellent stability in a stationary state. That is, the present invention provides a method for emulsifying an asphalt in water, which comprises the step of mixing the asphalt and wate... | 09/05/2000 |
| 6065903 | Enhancing load bearing characteristics of compacted soil Methods are disclosed for preparation of chemically-stabilized emulsions of tall oil in water. Temperature and pH are controlled during preparation of the emulsions so as to prevent saponification and neutralization of acids in the tall oil component. The... | 05/23/2000 |
| 6027634 | Process for stable aqueous asphaltene suspensions A petroleum derived oil is subjected to propane deasphalting to yield a solid asphaltene residue. The residue is crushed to 425 micron diameter particle or less at a crushing temperature in the range of 77° F. to 122° F. The asphaltene particles are sus... | 02/22/2000 |
| 6001886 | Process for stable aqueous asphalt emulsions A petroleum derived oil is subjected to crude oil distillation or propane deasphalting to yield a viscous asphalt residue. The viscous asphalt residue is combined with an aqueous emulsifier comprising an EO-PO-EO block copolymer and passed through a mixer... | 12/14/1999 |
| 5984519 | Fine particle producing devices In a fine particle producing device, particles of a substance contained in a fluid are caused to collide with each other under extremely high pressure, whereby the particles are emulsified, dispersed or reduced to finer particles in the fluid in an instan... | 11/16/1999 |
| 5895347 | Chemically stabilized organic emulsions Methods are disclosed for preparation of chemically-stabilized emulsions of tall oil in water. Temperature and pH are controlled during preparation of the emulsions so as to prevent saponification and neutralization of acids in the tall oil component. The... | 04/20/1999 |
| 5856680 | Process for forming stable aqueous asphalt emulsions A petroleum derived oil is subjected to crude oil distillation or propane deasphalting to yield a viscous asphalt residue. The viscous asphalt residue is combined with an aqueous emulsifier comprising an EO-PO-EO block copolymer and passed through a mixer... | 01/05/1999 |
| 5843334 | Method of producing emulsions and an emulsification apparatus There is provided a method of producing an emulsion by which an emulsion consisting of uniform and microfine globules can be easily obtained with a reduced energy input as compared with the conventional technology. This method of producing an emulsion comprise... | 12/01/1998 |
| 5596032 | Slow-setting bituminous emulsions This invention relates to the manufacture and application of uniquely suitable emulsifiers for anionic bituminous emulsions. In particular, this invention relates to emulsifiers for slow-setting aqueous emulsions suitable for use in applications where a h... | 01/21/1997 |
| 5248598 | Lipase single reagent system A single system reagent for the determination of lipase, formulated as an emulsion comprising a lipase-active fatty acid source; a first lipase activator comprising colipase; a second lipase activator; a lipoprotein lipase inhibitor; a first emulsion stab... | 09/28/1993 |
| 5196129 | Stable, single-phased solutions of water-in-oil microemulsions derived from crude oil and allied products and which contain microorganisms and/or parts thereof Stable, single-phased solutions of water-in-oil microemulsions which contain microorganisms and/or parts thereof are described. They are obtained by adding to crude oil and/or at least one product of the refining of same an aqueous concentrated solution o... | 03/23/1993 |
| 5173512 | Method for preparing perfluorinated heterocyclic compounds, and compounds prepared by this method A method for preparing perfluorinated heterocyclic compounds corresponding to the formulas Ia and Ib ##STR1## wherein m represents 3 or 4, and X is a --CF2 --O--CF2 -- group, a --CF2 --CF2 --CF2 ... | 12/22/1992 |
| 5156652 | Low-temperature pipeline emulsion transportation enhancement Stable oil-in-water emulsions for pipeline transmission are formed at a temperature of from about 100° F. to about 200° F. preferably using at least one ethoxylated alkylphenol compound and a freezing point depressant for water to enable pipeline transm... | 10/20/1992 |
| 5154754 | Oil-in-water emulsions and a process for their preparation and their use Oil-in-water emulsions (microemulsions) containing 0.01-80% by weight of at least one agrochemical active substance of low water-solubility, one active substance for combating pests in the domestic and hygiene sector and/or one pharmacologically active su... | 10/13/1992 |
| 5122194 | Methods and compositions for removing polychlorinated biphenyls from a contaminated surface A method and compositions for removal of polychlorinated biphenyls (PCBs) from a surface by treatment of the surface with an extraction solvent, and encapsulating solution and an aqueous wash are disclosed. The extraction solvent includes a mixture of ker... | 06/16/1992 |
| 5120708 | Non-poluting anti-stick water-base drilling fluid modifier and method of use A water-based drilling fluid additive composition comprising a water soluble polyoxyalkylene compound selected from polyoxyalkylene glycols, monoalkylethers of polyoxyalkylene glycols, and mixtures thereof, which have a cloud point in the range from about... | 06/09/1992 |
| 5057276 | Process for the preparation of reagent layers containing hydrophobic reagents Process for the preparation of stable dispersions of hydrophobic reagents in aqueous material, which process involves dissolving an ionomeric polymer, together with hydrophobic reagent substance, in a suitable organic solvent, adding water to the resultin... | 10/15/1991 |
| 5051192 | Dispersant compositions for treating oil slicks Compositions for dispersing oil slicks on water are disclosed comprising a solution of surface-active agents in a mixture of viscosity modifier, water, and hydrocarbon solvent. The surface-active agents are a mixture of emulsifying agents and a lower amou... | 09/24/1991 |
| 5013462 | Method for improving production of viscous crude oil This invention concerns methods for improving the mobility and pipeline transport of a viscous crude oil and the productivity of viscous crude oil producing wells by forming an oil-in-water emulsion with said oil and from 20 to 80% by weight of water in t... | 05/07/1991 |
| 4993448 | Crude oil emulsions containing a compatible fluorochemical surfactant A transportable crude oil in water emulsion which is stable to both breakdown and phase inversion up to at least about 50° C., containing an effective, compatible emulsion stabilizing amount of an anionic, nonionic or amphoteric fluorochemical surfactant... | 02/19/1991 |
| 4978365 | Preparation of improved stable crude oil transport emulsions A process for the production of an oil-in-water emulsion for pipeline transmission. The process comprises producing a hydrocarbon crude, and mixing the produced hydrocarbon crude with an emulsifying composition(s) which contains water and is capable of as... | 12/18/1990 |
| 4957511 | Coal-water dispersion agent A dispersing agent for solid particles in water, which is a tall oil pitch partially esterified with a polyalkylene glycol mainly composed of ethylene oxide units of a molecular weight of above 600 or a monoester or monoether thereof and optionally also a... | 09/18/1990 |
| 4936917 | Water based mold release compositions containing poly(siloxane-glycol) surfactants for making polyurethane foam article in a mold The incorporation of a poly(siloxane-glycol) surfactant having a cloud point ranging from 25°-50° C. into a water-based mold release composition comprising an aqueous emulsion or dispersion of at least one release effective substance and desirably at le... | 06/26/1990 |
| 4891177 | Water-flood surfactant A water-flood surfactant and the method of making it which comprises the steps of mixing, in a reactor, sodium hydroxide with a sulfonated natural petroleum crude, the sodium hydroxide being in excess of the amount required to convert the sulfonate to phe... | 01/02/1990 |
| 4810259 | Method to minimize viscosity and improve stability of coal-water fuels A coal aqueous slurry having a lower viscosity and resistance to thickening with time is provided. The coal aqueous slurry includes water, particulate coal comprising carbonaceous material and water-soluble minerals, a surfactant present in the coal aqueo... | 03/07/1989 |
| 4801304 | Process for the production and burning of a natural-emulsified liquid fuel A process for the preparation of a natural liquid fuel and, more particularly, a process that allows a high sulfur natural fuel to be converted into energy by combustion with a substantial reduction in sulfur oxide emissions.... | 01/31/1989 |
| 4783198 | Coal water slurry compositions based on low rank carbonaceous solids The invention relates to a coal water slurry composition based on low rank carbonaceous solid, characterized in that it contains a minor portion of high rank carbonaceous solid, the high rank carbonaceous solid being milled to a finer average size than th... | 11/08/1988 |
| 4725287 | Preparation of stable crude oil transport emulsions A process for the production of an oil-in-water emulsion for pipeline transmission. The process comprises producing a hydrocarbon crude, and mixing the produced hydrocarbon crude with an emulsifying composition(s) which contains water and is capable of as... | 02/16/1988 |
| 4675025 | Aqueous coal dispersions Pumpable free-flowing aqueous coal dispersions containing a special non-ionic dispersant which is a polyalkylene oxide bisphenol A derivative, and the use of the said dispersant in coal/water dispersions.... | 06/23/1987 |
| 4634450 | Coal-water dispersion A coal-water dispersion comprising coal particles dispersed in water and a dispersing agent comprising polymerized fatty acids, polymerized rosin acids and/or polymerized fatty or rosin acid derivatives which have been partially esterified with a polyalky... | 01/06/1987 |
