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8183182 |
Composition of microemulsion and method for advanced recovery of heavy oil
A composition of a microemulsion including a mixture of a combination of surfactants and co-surfactants, an oil phase and an aqueous phase is described. In addition, a method for the advanced...
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8148303 |
Surfactant additives used to retain producibility while drilling
A method comprises providing a drilling fluid comprising: an aqueous fluid; and a microemulsion surfactant; and drilling a well bore in a subterranean formation comprising an oleaginous fluid using...
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8124658 |
Surfactants for tertiary mineral oil extraction based on branched alcohols
Surfactants of the general formula R1—X where R1 is an aliphatic C17H35-alkyl radical and X is a hydrophilic group, and the mean degree of branching of the R1 radical is from 2.8 to 3.7. Mixtures w...
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8080588 |
Surfactants for tertiary mineral oil extraction based on branched alcohols
Surfactants of the general formula R1—X where R1 is an aliphatic C17H35-alkyl radical and X is a hydrophilic group, and the mean degree of branching of the R1 radical is from 2.8 to 3.7. Mixtures w...
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7977389 |
Microemulsions and use thereof as a fuel
The invention relates to bicontinuous microemulsions and to the use thereof as a fuel, combustion or heating fluid. Said fuels permit an increased efficiency of internal combustion systems and...
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7854263 |
Surfactant package for well treatment and method for using same
A surfactant blend for servicing wells includes a first non-ionic surfactant having a hydrophilic-lipophilic balance of between about 10 and about 15; a second non-ionic surfactant having a...
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7854802 |
Surfactant package for well treatment and method using same
A surfactant blend for servicing wells includes a first non-ionic surfactant having a hydrophilic-lipophilic balance of between about 10 and about 15; a second non-ionic surfactant having a...
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7846876 |
Surfactant composition
The present invention relates to a surfactant composition containing a cationic surfactant (hereinafter referred to as a compound (A)), one or more compounds (hereinafter referred to as a compound...
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7374699 |
Slurry rheology modifier
A slurry rheology modifier comprises a first water-soluble low-molecular compound [referred to hereinafter as compound (A)] and a second water-soluble low-molecular compound [referred to...
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7105579 |
Method for controlling the stability of emulsions
The invention concerns a method for controlling the stability of an emulsion comprising a hydrophobic phase dispersed in an aqueous phase, or an aqueous phase dispersed in a hydrophobic phase, and...
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7098250 |
Surfactant for emulsion polymerization
The invention provides a surfactant for emulsion polymerization represented by the formula (I), (II) or (VI). The invention also provides a method of producing a polymer emulsion using this...
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6984610 |
Acid based micro-emulsions of surfactants and solvents
Acid based micro-emulsions are disclosed comprising water, an acid blend, an anionic surfactant, a nonionic surfactant, a co-solvent, a solvent and an oxidizer. The micro-emulsions have particular...
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6905540 |
Lubricating polyorganosiloxane oil, aqueous emulsion containing same, preparation and use thereof for stripping metals
The invention concerns a lubricating organo-functional silicone oil, whether or not in emulsion. The invention aims at improving oils and lubricating silicone emulsions, in terms of emulsion...
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6870001 |
Emulsifier mixture for emulsion polymerization
An emulsifier mixture comprising an emulsifier I of the formula in which X is O, S, CH2, NH or NR7, one or two of the radicals R1 to R6 are a group SO3⊖K⊕ and the remainder of R1 to R6 are H or a C...
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6838485 |
Treatments for drill cuttings
An emulsifier composition for treating marine cuttings, preferably in situ, to convert free hydrocarbons to isolated hydrocarbons; drill cuttings treated with the emulsifier composition; droplets...
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6828281 |
Surfactant blends for aqueous solutions useful for improving oil recovery
The present invention relates to an aqueous fluid useful for the recovery of a liquid hydrocarbon from subterranean reservoirs comprising an aqueous media and a surfactant blend. The aqueous fluid...
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6616936 |
Composition comprising an oil-in-water emulsion and an inorganic agent
The invention concerns a composition comprising: 10 to 80 wt. % of at least an emulsion in water of a linear polydimethylsiloxane having a viscosity ranging between 1 and 5000 mPa.s at 25° C., the ...
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6593376 |
Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups on a di-,oligo- or polyene base
A process for preparing amphiphilic compounds having at least two hydrophilic and at least two hydrophobic groups by reacting an olefinic substrate having at least two double bonds with an organic...
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6593279 |
Acid based micro-emulsions
Acid based micro-emulsions are disclosed comprising water, an acid blend, an anionic surfactant, a nonionic surfactant, a co-solvent, a solvent and an oxidizer. The micro-emulsions have particular...
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6562875 |
Aqueous defoamer composition
An aqueous emulsion containing from about 0.1 to about 70 weight percent of a mixture of a) one or more alkoxylated alcohols of formulaRO(C2H4O)x(C3H6O)yZ wherein R is straight or branched C4-C40...
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6515030 |
Determining production parameters of scale flow device
A device for producing disperse mixtures by ultrasound, containing a housing, and a reaction chamber within the housing and at least one sonotrode having a free emitting surface which is directly...
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6500862 |
Stable microemulsions for the administration of fatty acids to humans or to animals, and use of these microemulsions
The present invention relates to a stable, nondetergent composition based on fatty acids, in microemulsion form, for administration to humans or animals, comprising: from 5 to 30% by weight of one...
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6475408 |
Shear-stable mist-suppressing compositions
Aqueous metal working fluids containing a water-soluble mist suppressing copolymer are disclosed. The copolymer includes styrene or hydrocarbyl-substituted styrene hydrophobic monomers and...
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6465568 |
Anionic and cationic silicone emulsions
Emulsions and microemulsions containing particles of siloxane polymers are prepared by an emulsion polymerization process involving (i) the formation of a mixture by combining a siloxane oligomer,...
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6437008 |
Aqueous organopolysiloxane emulsion and method for the preparation thereof
Disclosed is an aqueous organopolysiloxane emulsion for use as an adjuvant to hair-care treatment toiletry preparations suitable in respect of the good storage stability and relatively large...
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6380302 |
Surfactant composition for emulsion polymerization
The present invention provides a surfactant composition for emulsion polymerization. The surfactant composition for emulsion polymerization comprises a compound (a) represented by the formula (I)...
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6369016 |
Heavy oil remover
A heavy oil remover comprises a hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a volatility stabilizer, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, an...
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6340662 |
Aqueous foam regulator emulsion
The problem addressed by the invention was to provide a foam regulator system containing silicone and/or paraffin and bis-fatty acid amide which would have a low viscosity, which could be handled...
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6319980 |
Method for preparing organic silicon compound emulsion
An organic silicon compound emulsion for quickly imparting excellent water-repellent properties to the surfaces of porous inorganic base materials such as concrete, mortar, and masonry. The...
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6245852 |
Preparation of organopolysiloxane emulsion
A stable organopolysiloxane emulsion is briefly prepared by emulsifying and dispersing a low molecular weight organopolysiloxane (A) in water in the presence of an organic sulfonic acid or organic...
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6194354 |
Drilling fluid concentrates
A pourable concentrate suitable for forming structured surfactant drilling muds on dilution with aqueous electrolyte comprises: a) from 30 to 80% by weight, based on the weight of the composition,...
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6166095 |
Method of preparing a drilling fluid comprising structured surfactants
A pourable aqueous composition for use as, or for dilution to form, a drilling mud comprises a least 2% by weight of a water soluble polyvalent metal salt of an alkyl polyoxyalkylene sulphuric or...
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6165259 |
Aqueous dispersions of hydrophobic material
The invention relates to an aqueous dispersion containing a dispersant and a disperse phase containing a hydrophobic material, the dispersant comprising an anionic compound having a molecular...
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RE36983 |
Pre-atomized fuels and process for producing same
Methods and compositions are provided to facilitate the transportation and combustion of highly viscous hydrocarbons by forming reduced viscosity hydrocarbon-in-water emulsions, and in particular,...
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6103786 |
Process for preparing stable, finely divided polymer dispersions
Stable polymer dispersions with polymer particle sizes of 0.1 to 10 μm are prepared by dissolving a water-in-oil emulsion, comprising a polymer dissolved in an organic solvent which is immiscible ...
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6087317 |
Particle size stable silicone emulsions
By using a nonionic surfactant as the primary emulsifier having an hydrophilic-lipophilic balance (HLB) greater than about 13, at a concentration sufficient to provide about 0.5-3 molecules per 100...
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6071975 |
Method of preparing silicone oil-in-water microemulsions
A classical method of microemulsion formation involves mixing an oil and water with a surfactant (S1), and a co-surfactant (S2). The oil is mostly preferably a cyclic siloxane. The oil is added to...
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6008261 |
Aqueous surfactant compositions with a high viscosity
Aqueous surfactant compositions, with a high viscosity, comprising an anionic surfactant or a mixture of anionic surfactants, an alkyl ester of lactic acid or a mixture of alkyl esters of lactic...
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5964692 |
Functional fluids and liquid cleaning compositions and suspending media
Aqueous structured surfactants, e.g., lamellar, or preferably spherulitic systems optionally containing suspended solids are used as functional fluids, such as drilling fluids, cutting fluids,...
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5938581 |
Emulsion manufacturing process
The invention concerns a process for preparing a secondary emulsion consisting of droplets of a phase A, dispersed in a phase B, A being immiscible in B, starting with a polydispersed primary...
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5871666 |
Non-V.O.C. emulsifier for methyl esters
An emulsifier composition containing: (a) from about 7 to about 15% by weight of an alkyl polyglycoside of formula I: R1 O(R2 O)b (Z)a (I)wherein R1 is a monovalent organic radical having from...
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5830483 |
Emulsions
An oil-in-water emulsion comprising (A) from about 50 to about 99% by weight of water; (B) from about 1 to about 30% by weight of an oil phase; and (C) an emulsifying effective quantity of an...
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5746810 |
Aqueous emulsion of alkylalkoxysilane, process for the production thereof, and use thereof
An aqueous emulsion of alkylalkoxysilane which has a stable emulsion state for a long period of time and is useful as an infiltrative preventer of water absorption into a porous inorganic...
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5728320 |
Chemical dispersant for oil spills
An improved dispersant formulation for dispersing oil which contains a mixture of a sorbitan monoester of an aliphatic monocarboxylic acid, a polyoxyethylene adduct of a sorbitan monoester of an...
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5698138 |
Microemulsions based on three immiscible liquids comprising a perfluoropolyether
Microemulsions substantially consisting of: an aqueous solution, a perfluoropolyether having perfluoroalkyl end groups, a hydrocarbon compound, a fluorinated surfactantand optionally also of a...
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5693255 |
Oil-in-water type emulsion composition
An oil-in-water type emulsion composition comprising: an amphiphile and a surfactant selected from the substances which can form a gel in an amphiphatic substance-surfactant-water system at a...
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5612300 |
Microemulsion for the decontamination of articles contaminated with chemical warfare agents
A method is described for the decontamination of equipment contaminated with chemical warfare agents. The warfare agents are not destroyed by aggressive chemicals, as is usual, but instead are...
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5549847 |
Flowable aqueous dispersions of polycarboxylic acid corrosion inhibitors
Highly concentrated flowable dispersions of corrosion inhibitors can be prepared by stirring a filter cake of the corrosion inhibitor with a dispersant and a thickener. These dispersions are...
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5543073 |
Microemulsion cleaning composition
A microemulsion cleaning composition having superior solubilizing power and cleaning performance and low concentration of active ingredients has been developed which comprises an organic anionic...
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5539021 |
Process for preparing high internal phase ratio emulsions and latexes derived thereof
The present invention is a method of preparing a high internal phase ratio emulsion without phase inversion comprising the steps of: a) continuously merging into a disperser and in the presence of...
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