...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7875654 | System 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 |
| 7652074 | Oil-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 |
| 7652073 | Oil-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 |
| 7582682 | Removal 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 |
| 7442356 | Process 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 |
| 7419938 | Process 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 |
| 7417010 | Process 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 |
| 7407915 | Polymer 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 |
| 7358215 | Quaternary 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 |
| 7338924 | Oil-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 |
| 7307104 | Process 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 |
| 7276184 | Surfactant 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 |
| 7271199 | Removal 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 |
| 7250448 | Anionic 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 |
| 7229632 | Topical 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 |
| 7226580 | Topical 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 |
| 7211230 | Process 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 |
| 7186673 | Stability 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 |
| 7182950 | Nano-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 |
| 7129277 | Emulsions including surface-modified inorganic nanoparticles The invention is related to emulsions containing surface-modified inorganic nanoparticles. ... | 10/31/2006 |
| 7121339 | Solids-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 |
| 7109247 | Stabilized 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 |
| 7074395 | Cosmetic 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 |
| 7049347 | Method 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 |
| 7037946 | Zero-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 |
| 7022642 | Electrocatalyst 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 |
| 7008964 | Contaminant 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 |
| 6964941 | Cleaning 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 |
| 6962897 | Fluorine-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 |
| 6919074 | Cosmetic 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 |
| 6914081 | Rheology 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 |
| 6869584 | Synthesis 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 |
| 6806295 | Sol-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 |
| 6734144 | Solids-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 |
| 6692650 | Magnetorheological 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 |
| 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 |
| 6683117 | Oiliness 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 |
| 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 |
| 6667046 | Cosmetic 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 |
| 6664298 | Zero-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 |