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8063265 |
Hydrogel capable of absorbing blood and/or body fluids
A hydrogel having a floatability where from 40% to 90% of a solution and/or suspension to be thickened are thickened starting from the surface of the liquid and the rest of the solution and/or...
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8058318 |
Acidic zirconia sol and production method of the same
There is provided an acidic zirconia sol having compatibility of particle properties and binding properties, and a production method of the same. The acidic zirconia sol includes zirconia particles...
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7833950 |
Degradable fiber systems for stimulation
A method for minimizing the amount of metal crosslinked viscosifier necessary for treating a wellbore with proppant or gravel is given. The method includes using fibers to aid in transporting,...
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7816411 |
Multiphase mixing process using microchannel process technology
The disclosed invention relates to a process for making a multiphase mixture, comprising: flowing a first fluid stream through a process microchannel, the first fluid stream comprising at least one...
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7629389 |
Production method of alkaline zirconia sol
A production method of an alkaline zirconia sol including: a process (I) in which an alkaline zirconia sol (A) is mixed with a basic zirconium carbonate salt (B1), the alkaline zirconia sol (A)...
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7344705 |
Composition comprising low density microspheres
Low density microspheres, methods for preparing same, and use of same as contrast agents are described. The microspheres have a void which contains a gas or the vapor of a volatile liquid selected...
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7163962 |
More controllable acoustic spray patch
A more controllable acoustic ceiling patch or textured material in the form of a sprayable composition includes a base, a filler, an adhesive binder, an anti-foaming agent, a suspension agent, and...
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7141612 |
Stabilized foams including surface-modified organic molecules
The invention relates to stabilized gas-in-liquid dispersions or foams containing a liquid continuous phase, a dispersed gas phase, and surface-modified fullerenes, dendrimers, organic polymeric...
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7091302 |
Process for the preparation of polycarbonate
The invention describes a process for the preparation of polycarbonate. The process includes (a) transesterifying at least one aromatic dihydroxyaryl compound and a diaryl carbonate in the melt in...
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6939530 |
Preparation of further diagnostic agents
Microspheres are prepared by a process comprising (i) spray-drying a solution or dispersion of a wall-forming material in order to obtain intermediate microspheres and (ii) reducing the...
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6919068 |
Method of preparing gas-filled polymer matrix microparticles useful for echographic imaging
A method is provided to prepare gas-filled, porous microparticles having a polymer matrix interior which are useful as ultrasound echogenic contrast agents. An oil-in-water suspension is formed,...
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6773696 |
Contrast agent comprising low density microspheres
Low density microspheres, methods for preparing same, and use of same as contrast agents are described. The microspheres have a void having a volume that comprises at least about 75% of the total...
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6656974 |
Foam materials
An absorbent foam material which comprises a solid, cross-linked form of an anionic polymer (e.g. an alginate) and fibers or other cation contributing polymeric particulates which have donated...
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6550750 |
Apparatus for producing foamable compositions and other compositions
An apparatus for making a long lasting foam. The apparatus includes an injection chamber, an expansion chamber and a coiled hose which extends therebetween. The coiled hose includes a plurality of...
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6528039 |
Low density microspheres and their use as contrast agents for computed tomography and in other applications
Substantially homogeneous aqueous suspensions of low density microspheres are presented as contrast media for imaging the gastrointestinal tract and other body cavities using computed tomography....
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6512013 |
Titanium dioxide nucleating agent systems for foamable polymer compositions
The invention concerns nucleating agent systems for foamable polymer compositions, preferably fluoropolymer resins, having foam cell nucleation sites using titanium dioxide based nucleating agents,...
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6509004 |
Process for preparing contrast agents
The invention provides a process for the preparation of a pharmaceutical composition comprising an aqueous dispersion of gas-containing vesicles the membranes whereof comprise an amphiphilic...
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6444193 |
Process for preparation of gas containing vesicles
The invention provides a process for the preparation of gas-containing vesicles wherein a mixture of gas, liquid and vesicle membrane forming material is passed through a zone in which it is...
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6441054 |
Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent
An exemplary surface active agent admixture composition of the invention comprises (1) a first surface active agent comprising a betaine, an alkyl or aryl or alkylaryl sulfonate, or mixture...
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6403057 |
Microcapsules, method of making and their use
The invention relates to microcapsules to a microcapsule with a mean size from a fraction of micrometer to 1000 micrometers having a biodegradable membrane encapsulating a gas core. The membrane...
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6166094 |
Blowing agent and method for producing foamed polymers and related compositions
A silicate-based blowing agent and method for producing foamed polymer; provides a blowing agent containing at least one metal silicate, boric acid or a salt thereof, a peroxy compound, a reaction...
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6106807 |
Use of methylenemalondiester derivatives for the production of gas-containing microparticles for ultrasound diagnosis, as well as media that contain said particles
The invention relates to the use of methylenemalondiester derivatives of general formula I ##STR1## in which R1 and R2 have different meanings, for the production of gas-containing particles for...
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6017967 |
Electroplating process and composition
The invention relates to a metal sulfide dispersion used for electroplating nonconductors such as substrates used for the formation of a printed circuit board. A printed circuit board made using...
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5908891 |
Dispersible silicone compositions
The present invention relates to a dispersible silicone composition comprising (I) a silicone composition prepared by reacting (i) a polyorganosiloxane, (ii) a silicon compound, optionally (iii) a...
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5866041 |
Fatty acid defoamers with improved shelf life
The present invention provides an antifoam emulsion with improved shelf-life and a method for making same. The improved shelf-life results from dispersing a fatty alcohol dispersion in an emulsion...
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5847017 |
Blowing agent
The present invention relates to a composition for use as a blowing agent in injection molding processes. More specifically, the present invention is a blowing agent composition comprising a...
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5846454 |
Water dispersible antifoam concentrates
Disclosed is a water dispersible antifoam concentrate comprising a polydiorganosiloxane component; fine solid particles of inorganic oxide, bearing on the surface thereof a polydiorganosiloxane...
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5766520 |
Preservation by foam formation
A method of preserving sensitive biological dispersions, suspensions, emulsions and solutions by forming stable foams from fluid materials to be dehydrated, as an aid both to the drying of one or...
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5710189 |
Blowing agent composition and a method for making a blowing agent
The present invention relates to a composition for use as a blowing agent in injection molding processes. More specifically, the present invention is a blowing agent composition comprising a...
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RE35447 |
Endothermic blowing agents for strengthening weld lines in molded thermoplastic resins and products
Compositions for producing foamed products which include filler and/or pigment additives and blowing agents which enhance the strength of weld lines which are produced when the compositions are...
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RE35368 |
Endothermic blowing agents for surface migration of components in foamed products, compositions and applications
Compositions for producing foamed products which include additives and blowing agents which cause the surface treatment additives to migrate to the surfaces of foamed products. The products...
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5567741 |
Aerated anaerobic compositions with enhanced bulk stability
A storage stable anaerobic composition which does not require constant aeration with a viscosity between 50,000 to 5,000,000 mPa.s and a volume expansion of between about 1 to 20% due to the...
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5258137 |
Viscoelastic surfactant based foam fluids
A foam-fluid composition for use in foam fracture applications and foam slurry transport comprises a thickening amount of a viscoelastic surfactant composition, a functionally effective amount of a...
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5250224 |
Foamed products containing endothermic blowing agents and processes
A stabilized powdered endothermic blowing agent which is a mixture of a polycarboxylic acid and an inorganic carbonate, the polycarboxylic acid and inorganic carbonate each having been surface...
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5246626 |
Stabilized 141b
Storage-stable 141b prepared by contacting 141b with alumina at temperatures of about 0-100 degrees Centigrade, compositions containing the thus treated 141b, and uses thereof for the production of...
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5225107 |
Nucleating agents (pore regulators) for the preparation of directly gassed thermoplastic foams
The invention relates to new nucleating agents for the preparation of directly gassed thermoplastic foams. The new agents comprise a combination of citric acid, the salts or esters thereof and...
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5215680 |
Method for the production of medical-grade lipid-coated microbubbles, paramagnetic labeling of such microbubbles and therapeutic uses of microbubbles
This invention relates to a large scale method for the production of medical grade lipid-coated microbubbles, to the paramagnetic labeling of such microbubbles and to therapeutic applications for...
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5137655 |
High temperature endothermic blowing agents compositions and applications
A high temperature endothermic blowing agent which is a mixture of a polycarboxylic acid and an inorganic carbonate, the polycarboxylic acid and inorganic carbonate each having been surface treated...
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5076959 |
Novel composition comprising isocyanate-reactive hydrogen-containing compounds
Novel compositions comprising isocyanate-reactive hydrogen containing compounds, an organo clay and a cyclic alkylene carbonate. The compositions are useful for making flexible polyurethane foams...
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5053147 |
Methods and compositions for extinguishing fires
Fires, particularly fires of flammable liquids, are extinguished by applying to the burning surface an extinguishing composition containing particles of a thermoplastic polymer, suitably a rubber....
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5051206 |
Blowing agent composition
The use as an activator for a chemical blowing agent, or as an accelerator or activator in the vulcanization of rubber, of a reaction product of urea and an oxide, carbonate or hydroxide of zinc,...
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4920083 |
Novel process for the production of ceramic flakes
A method for the production of ceramic oxide lakes, comprising the steps of: (i) preparing a colloidal foam by blowing a gas into an aqueous solution comprising a precursor salt of said ceramic...
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4759267 |
Energetic fluid product and its application to the supply of combustible matter to a reaction chamber
An energetic fluid product containing finely divided solid combustible matter suspended in at least one liquid phase and capable of being made to circulate in a line for supplying a treatment...
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4715986 |
Particles, modified at their surface by hydrophilic and hydrophobic groups
Particles less than 100 μm in size and modified by hydrophilic and hydrophobic groups wherein the hydrophilic and hydrophobic groups are distributed anisotropically on the surface of the modified ...
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4714568 |
New blowing agent combination based on azodicarbonamide, production thereof and use thereof for foaming polymers
The invention relates to a new blowing agent combination based on azodicarbonamide, production thereof and use thereof for foaming polymers.
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4692269 |
Gas-releasing composition for tailoring gas evolution of system
A gas-releasing composition of a t-alkylhydrazinium salt and/or a carbonylhydrazine and at least one compound selected from free radical forming sources, metal oxides, and sulfur and/or sulfur...
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4623478 |
Composition and method for making foamed polyester resin
A composition for foaming polyester which includes a carbonate or bicarbonate salt and water intermixed with a finely divided solid free flow agent such as synthetic amorphous silica. The free flow...
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4576645 |
Whipped gel composition
A thixotropic, spoonable soft gel in an aerated or non-aerated multiphase composition of emulsified glycerides dispersed in a continuous phase of hydrocolloid and has an RVT Brookfield viscosity of...
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4477602 |
Novel system for the production of polyurethanes
The present invention is directed to a polyol blend comprising a polyether polyol having at least two and no more than three hydroxyl groups and from about 5 to about 40 percent by weight based on...
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4464453 |
Dry transfer carrier sheets for use in an electrophotographic process
The subject invention pertains to a dry transfer imaging technique comprising electrophotographic deposition of an image onto the rear side of a carrier sheet, said carrier sheet being further...
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