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Class 516/22 - Three or more phases (e.g., w/o emulsion also containing solid particle suspension)


Subclass of Class 516 - Colloid systems and wetting agents; subcombinations thereof; processes of
Definition: Subject matter in which the colloid system contains three
No. of patents: 120
Last issue date: 01/25/2011


1      
NumberTitleIssue Date
7875654System for forming janus particles
The invention is a method of forming Janus particles, that includes forming an emulsion that contains initial particles, a first liquid, and a second liquid; solidifying the first liquid to form a solid that contains at least a portion of the initial particles on a ...
01/25/2011
7652074Oil-in-water-in-oil emulsion
An oil-in-water-in-oil emulsion (O/W/O) comprising a first oil-in-water emulsion dispersed in a second oil, and a method of preparing the same. The O/W/O emulsion can be used as a drive fluid in an enhanced oil recovery process. The O/W/O emulsion of this invention ...
01/26/2010
7652073Oil-in-water-in-oil emulsion
An oil-in-water-in-oil emulsion (O/W/O) comprising a first oil-in-water emulsion dispersed in a second oil, and a method of preparing the same. The O/W/O emulsion can be used as a drive fluid in an enhanced oil recovery process. The O/W/O emulsion of this invention ...
01/26/2010
7582682Removal of PCB and other halogenated organic contaminants found in ex situ structures
Emulsified systems of a surfactant-stabilized, biodegradable water-in-solvent emulsion with bimetallic particles contained with the emulsion droplets are useful at removing PCBs from ex situ structures. The hydrophobic emulsion system draws PCBs through the solvent/...
09/01/2009
7442356Process for producing inorganic spheres
To provide a process for producing inorganic spheres having a substantially uniform particle size with high productivity. In a process for producing inorganic spheres, which comprises a step of injecting an alkaline aqueous liquid containing an inorganic compound in...
10/28/2008
7419938Process for treating an oil well
A method of treating a subterranean formation, the method comprising: (A) injecting down a well bore into the formation an admixture of (a) an emulsion having an internal aqueous phase comprising a water-soluble oil or gas field chemical or an aqueous dispersion of ...
09/02/2008
7417010Process for treating an oil well
A method of treating a subterranean formation, the method comprising: (A) injecting down a well bore into the formation an admixture of (a) an emulsion having an internal aqueous phase comprising a water-soluble oil or gas field chemical or an aqueous dispersion of ...
08/26/2008
7407915Polymer hydration method using microemulsions
Long-chained polymer compounds are useful to viscosify aqueous brine fluids so that they can function as drilling fluids, completion/workover fluids, fracturing fluids, agricultural products, cleaning compounds, etc. These polymers may be hydrated with a microemulsi...
08/05/2008
7358215Quaternary ammonium salts as thickening agents for aqueous systems
This invention relates to the use of alkyl amido quaternary ammonium salts, and formulations thereof, as thickening agents in aqueous based fluids, especially those used in oil field applications. The quaternary ammonium salts of the present invention exhibit improv...
04/15/2008
7338924Oil-in-water-in-oil emulsion
An oil-in-water-in-oil emulsion (O/W/O) comprising a first oil-in-water emulsion dispersed in a second oil, and a method of preparing the same. The O/W/O emulsion can be used as a drive fluid in an enhanced oil recovery process. The O/W/O emulsion of this invention ...
03/04/2008
7307104Process for forming an emulsion using microchannel process technology
The disclosed invention relates to a process for making an emulsion. The process comprises: flowing a first liquid through a process microchannel, the process microchannel having a wall with an apertured section; flowing a second liquid through the apertured section...
12/11/2007
7276184Surfactant assisted nanomaterial generation process
A process for the preparation of nanoscale particulate material is described comprising: (i) combining one or more functional material to be precipitated as nanoscale particles and one or more surface active material in a compressed CO2 phase with a densi...
10/02/2007
7271199Removal of PCB and other halogenated organic contaminants found in ex situ structures
Emulsified systems of a surfactant-stabilized, biodegradable water-in-solvent emulsion with bimetallic particles contained with the emulsion droplets are useful at removing PCBs from ex situ structures. The hydrophobic emulsion system draws PCBs through the solvent/...
09/18/2007
7250448Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaC...
07/31/2007
7229632Topical compositions with outer phase and preparation method
An emulsion having one oily outer phase, and two aqueous inner phases, one of which is a gel. The emulsion may be used for cosmetic, pharmaceutical, veterinary and detergent purposes. ...
06/12/2007
7226580Topical compositions with an oily outer phase and process for their preparation
A topical composition containing one oily outer phase and two aqueous inner phases, one of which is a gel and a process for its preparation. In a preferred embodiment, the topical composition is a sunscreen emulsion containing one or more sunscreen filter substances...
06/05/2007
7211230Process for producing nanometer grade powders
The present invention discloses a process for producing nanometer powders, comprising the following steps: (a) providing reactant solution A and reactant solution B that can rapidly react to form precipitate; (b) continuously adding said solution A and solution B in...
05/01/2007
7186673Stability enhanced water-in-oil emulsion and method for using same
A method for enhancing the stability of a water-in-oil emulsion pretreating at least a portion of the oil prior to emulsification. The pretreatment step may consist of adding polymers to the oil, biotreating the oil, photochemically treating the oil, or combinations...
03/06/2007
7182950Nano-sized self-assembled liquid dilutable vehicles
The present invention relates to nano-sized self-assembled structured concentrates and their use as effective suitable carriers for transferring active components into the human body. The nano-sized self-assembled concentrates are composed of an aqueous phase, an oi...
02/27/2007
7129277Emulsions including surface-modified inorganic nanoparticles
The invention is related to emulsions containing surface-modified inorganic nanoparticles. ...
10/31/2006
7121339Solids-stabilized oil-in-water emulsion and a method for preparing same
A solids-stabilized oil-in-water emulsion and a method for preparing the solids-stabilized oil-in-water emulsion. The oil-in-water emulsion is formed by combining oil, water, solid particles and a pH enhancing agent and mixing until the solid-stabilized oil-in-water...
10/17/2006
7109247Stabilized particle dispersions containing nanoparticles
In one aspect, the invention provides a stable dispersion comprising a continuous phase comprising a continuous liquid phase and a plurality of organic nanoparticles; and a dispersed phase comprising particles dispersed in the continuous phase. ...
09/19/2006
7074395Cosmetic formulations of quaternary ammonium compounds incorporating polyhydric alcohols
Cosmetic, dermatological and pharmaceutical compositions containing quaternary ammonium compounds, particularly for hair-treatment, require low setting points, good solubility and dispersibility in aqueous media and a low flash point. It has now been found that such...
07/11/2006
7049347Method for making fine and ultrafine spherical particles of zirconium titanate and other mixed metal oxide systems
Disclosed is a method for making amorphous spherical particles of zirconium titanate and crystalline spherical particles of zirconium titanate comprising the steps of mixing an aqueous solution of zirconium salt and an aqueous solution of titanium salt into a mixed ...
05/23/2006
7037946Zero-valent metal emulsion for reductive dehalogenation of DNAPLs
A zero-valent metal emulsion is used to dehalogenate solvents, such as pooled dense non-aqueous phase liquids (DNAPLs), including trichloroethylene (TCE). The zero-valent metal emulsion contains zero-valent metal particles, a surfactant, oil and water. The preferred...
05/02/2006
7022642Electrocatalyst and method of manufacturing the same
An electrocatalyst contains a conductive support which loads a noble metal thereon. In the electrocatalyst of the present invention, the noble metal is formed by adding a reducing agent for an ion of the noble metal to a reversed micellar solution containing an aque...
04/04/2006
7008964Contaminant removal from natural resources
A zero-valent metal emulsion containing zero-valent metal particles is used to remediate contaminated natural resources, such as groundwater and soil. In a preferred embodiment, the zero-valent metal emulsion removes heavy metals, such as lead (Pb), from contaminate...
03/07/2006
6964941Cleaning composition and device for electronic equipment
A chemical cleaning composition for cleaning electronic equipment and electric or electronic appliances, a device for the application of such composition, and a method of cleaning such equipment are disclosed. ...
11/15/2005
6962897Fluorine-containing lubricants
The invention relates to the use of formulations containing selected fluorinated components for reducing friction between conveyor systems and the containers transported thereon. ...
11/08/2005
6919074Cosmetic formulations of quaternary ammonium compounds free of short-chain alcohols
Cosmetic, dermatological and pharmaceutical compositions containing quaternary ammonium compounds, particularly for hair-treatment, require low setting points, good solubility and dispersibility in aqueous media and a low flash point. It has now been found that such...
07/19/2005
6914081Rheology modified compositions and modification agents
A method of making a rheology modified aqueous composition, particularly useful for drilling, milling and mining applications, is disclosed. The method includes admixing, with a clay and water, a material or materials whose constituents substantially conform to the ...
07/05/2005
6869584Synthesis of nanometer-sized particles by reverse micelle mediated techniques
The present invention relates to a method of producing particles having a particle size of less than 100 nm and surface areas of at least 20 m2/g where the particles are free from agglomeration. The method involves synthesizing the particles within an emu...
03/22/2005
6806295Sol-gel processing with inorganic metal salt precursors
Methods for sol-gel processing that generally involve mixing together an inorganic metal salt, water, and a water miscible alcohol or other organic solvent, at room temperature with a macromolecular dispersant material, such as hydroxypropyl cellulose (HPC) added. T...
10/19/2004
6734144Solids-stabilized water-in-oil emulsion and method for using same
A method for enhancing the stability of a solids-stabilized water-in-oil emulsion by pretreating the oil prior to emulsification. The pretreatment step can be accomplished by adding dilute acid to the oil, adding a lignosulfonate additive to the oil, sulfonating the...
05/11/2004
6692650Magnetorheological fluid and process for preparing the same
The present invention provides a magnetorheological fluid in which magnetic particles coated with a hydrophilic surfactant are dispersed in a water in oil emulsion, and a process for preparing the same. The magnetorheological fluid of the present inventio...
02/17/2004
6685765Water 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
6683117Oiliness agent and water-in-oil emulsion containing same
An oiliness agent comprising a carboxylate of a composite metal hydroxide having a chemical composition represented by the following general formula (1), wherein, M2 indicates a divalent metal, M3 indicates a trivalent metal, A indic...
01/27/2004
6669763Water 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
6667046Cosmetic water-in-silicone emulsion
The present invention refers to water-in-silicone type cosmetic emulsion which comprises particulate solid cosmetic components and includes as emulsifying system an association of a primary emulsifier selected from the group comprising copoliols and a sec...
12/23/2003
6664298Zero-valent metal emulsion for reductive dehalogenation of DNAPLs
A zero-valent metal emulsion is used to dehalogenate solvents, such as pooled dense non-aqueous phase liquids (DNAPLs), including trichloroethylene (TCE). The zero-valent metal emulsion contains zero-valent metal particles, a surfactant, oil and water. Th...
12/16/2003
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