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7105580 |
Porous structures useful for growing living tissue, and methods of manufacture
In one aspect the present invention provides biodegradable, porous structures that each include a structural framework, wherein the structural framework includes: (a) a solidified mixture of...
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6576679 |
Hydrogel
A hydrogel formed by adding an anion having a molecular weight of 90 or more to an aqueous dispersion of a cationic amphiphile comprising a linear or branched alkyl group having 10 or less carbon...
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6420466 |
Process for preparing a thixotropic agent and its use
The invention relates to a process for preparing a solution that is active as a thixotropic agent and contains urea urethanes, in which monohydroxyl compounds are reacted with an excess of toluene...
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6310105 |
Carboxyl-modified superabsorbent protein hydrogel
The present invention is a biodegradable, reversibly-swellable, polyvalent cation-binding, protein hydrogel which comprises an acylated protein matrix in which the acylated protein matrix is...
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6228895 |
Method for plasticizing a composition comprised of cellulose fiber and a cellulose ester
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and, optionally,...
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5977190 |
Process for deionizing and concentrating emulsions
A process of washing an emulsion such as a silver halide emulsion which contains a hydrophilic colloid comprises deionizing the emulsion and coagulating the emulsion with an anionic polymer and...
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5951910 |
Reticulated bacterial cellulose as a rheological modifier for polyol fluid compositions
Rheologically modified compositions, and rheologically modified fluid compositions prepared therefrom, containing reticulated bacterial cellulose in a polyol base fluid, are disclosed. The amount...
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5874374 |
Method for producing engineered materials from salt/polymer aqueous solutions
A method for producing engineered materials from salt/polymer aqueous solutions in which an aqueous continuous phase having at least one metal cation salt is mixed with a hydrophilic organic...
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5770229 |
Medical polymer gel
A medical polymer gel produced by immobilizing a drug onto a water swelling polymer gel through a cleavable group with the main chain to be cleaved via an enzymatic reaction and a spacer, and a...
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5750498 |
Transparent gelatin gel type air freshener
Objects of the invention is to provide an air freshner composition which has both excellent functional properties such as shrinkage with the passage of time, clear end point and the like and...
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5741773 |
Storage stable dentifrice composition containing an antibacterial casein glycomacropeptide adjuvant
Stable oral compositions containing an antibacterial casein glycomacropeptide, an anionic surfactant, and a hydrolyzed protein stabilizer, which stabilizes the casein glycomacropeptide in the...
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5698483 |
Process for preparing nanosized powder
A process for producing nano size powders comprising the steps of mixing an aqueous continuous phase comprising at least one metal cation salt with a hydrophilic organic polymeric disperse phase,...
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5679281 |
Gelled material compositions with modified halopolymer
Gelled material compositions for use as adsorbents and ion exchangers. The composition including a specific extractant, an organic solvent and a halopolymer modified by substitution with a radical...
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5665531 |
Method of gelation of photographic emulsions, oil in water emulsions, or gelatin solutions and unit therefor
A method of gelation of a photographic emulsion, oil in water emulsion, or a gelatin-containing solution comprising continuously rapidly cooling the photographic emulsion, oil in water emulsion, or...
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5625137 |
Very low scatter liquid and solid tissue mimicking material for ultrasound phantoms and method of making the same
A tissue mimicking material for use in ultrasound scanner phantoms has a very low acoustic backscatter coefficient. The tissue mimicking material has the ultrasonic speed and attenuation...
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5604168 |
Clay-containing mixture and blend capable of forming a moisture resistant gel, and use of that mixture and blend
A dry mixture of (a) powdered or ground smectite and/or a smectite-containing natural rock, wherein the smectite is in an inactive state, (b) 1-10% by weight of a water-soluble polymer and (c)...
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5589104 |
Electrophoresis separation gel and a method for preparing an electrophoresis separation gel
A gel for use in an electrophoresis separation includes a plurality of gradients within the gel. Each gradient includes a polyacrylamide matrix and a buffer, wherein the polyacrylamide of one...
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5549914 |
Heat stable wound care gel
Thermally stable collagen gels formed by the addition of small amounts of neutralized slightly cross-linked polyacrylic acid. Thermally stable gels resulting from 0.3 to 4.0 percent by weight of...
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5523014 |
Flowable, pumpable cleaning compositions and method for the preparation thereof
An originally viscous, non-flowable and non-pumpable cleaning composition made less viscous, and flowable and pumpable by the addition of at least one thickening agent to the composition. The...
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5514379 |
Hydrogel compositions and methods of use
Biocompatible, biodegradable, hydrogels are prepared from a backbone bonded to a cross-linking agent. Suitable backbones include proteins and polysaccharides, e.g,, albumin, polymannuronic acid, or...
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5503771 |
Process for susupension of ceramic or metal particles using biologically produced polymers
A method for producing a highly loaded, aqueous suspension having a pourable viscosity and containing from 20 to 50 volume percent colloidal ceramic or metal particles. A biologically produced...
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5385812 |
Continuous manufacture of gelled microprecipitated dispersion melts
The invention discloses a continuous method of manufacture of gelled dispersion melts of "small-particle" microprecipitated photographic agents. The continuous melt manufacturing process of this...
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5312755 |
Contrast resolution tissue mimicking phantoms for nuclear magnetic resonance imaging with stable NMR properties
Tissue mimicking phantoms for NMR imagers are produced having a base tissue mimicking material enclosed within a sealed container. The base tissue mimicking material is a gel solidified from a...
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5306340 |
Scleroglucan-based compositions and their use as a cementation spacer
Use of scleroglucan alone or of mixtures of scleroglucan with a polyalcohol or a dialdehyde as cementation spacers during oil drilling operations.
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5271943 |
Wound gel compositions containing sodium chloride and method of using them
Therapeutic gels are provided which promote the healing of wounds and which have a minimum yield point of about 800 poise and a maximum apparent viscosity of about 100,000 cps, which gels comprise...
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5229335 |
Ceramic materials and their synthesis by a xerogel process
The invention provides a process for producing high phase purity ceramic materials through the utilization of organic gelling agents. The process comprises the following steps: (a) dissolving...
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5151451 |
Translucent, thixotropic hygel
The invention concerns with translucent, thixotropic non-particulate denatured protein containing aqueous gels. Also a process for the preparation of these gels is disclosed. The gels can be...
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5149469 |
Method of manufacturing a wound dressing
A method of manufacturing a wound dressing having microscopic web-like interconnections and a porous structure of continuous pores throughout the wound dressing. In the first embodiment of the...
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5147344 |
Hydrogel foams, and a process for their preparation
Hydrogel foams a) based on gelatin and water, b) optionally containing polyvinyl alcohol, c) containing a crosslinking agent selected from the group comprising ca) the compounds of at...
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5144016 |
Alginate gels
Superswelling cross-linked alginate gels which can swell strongly with a controllable swelling time in water, aqueous solutions of salts, proteins or the like. Process for the preparation of the...
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5135844 |
Preparation of low viscosity small particle photographic dispersions in gelatin
The invention is generally accomplished by utilization of a surfactant for very small particle photographic dispersions. Three types of such surfactants that have been identified are as follows: ...
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5093028 |
Gelled emulsion and process for producing the same
Gel and stabilized emulsion each of which is composed of a protein and a fat or oil component and is heat-stable and resistant to separation of the oil or fat component. Also disclosed is a process...
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5071960 |
High molecular weight protein/fatty acid condensation products which are very well tolerated by the skin and mucosa
High molecular weight protein/fatty acid condensation products obtained by reaction of one mole of a protein hydrolysate of average molecular mass 3,000 to 7,000 with 0.5 to 3, preferably 2 to 2.5,...
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5068226 |
Pharmaceutical preparations containing cyclodextrins and their use in iontophoretic therapies
Cyclodextrins and especially ionic cyclodextrin derivatives facilitate the iontophoretic delivery of pharmaceutically active agents.
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5053341 |
Tissue simulating gel for medical research
A tissue simulating gel and a method for preparing the tissue simulating gel are disclosed. The tissue simulating gel is prepared by a process using water, gelatin, ethylene glycol, and a...
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5045445 |
Continuous in-line preparation of photographic gelatin solutions
A process for the in-line preparation of gelatin solutions comprising (a) mixing gelatin particles with an aqueous solution to wet the gelatin forming a gelatin-aqueous solution mixture, (b)...
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4905700 |
Method of transmitting ultrasound into a body
An acoustic coupling medium for transmitting ultrasound is disclosed. The medium, which is of use in ultrasonic visualization of the human body, comprises a sheet of hydrogel containing over 90%...
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4879062 |
Preparation of a gel having gas transporting capability
An inert, water-immiscible inert organic liquid having gas transport properties, water and a suitable emulsifying agent are formed into a stable gel by emulsifying a mixture of the same,...
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4808353 |
Process for preparing an artificial biological membrane
A process for preparing an artificial biological membrane in which an aqueous solution containing 6 wt % or more of polyvinyl alcohol having a degree of hydrolysis of not less than 95 mol % and an...
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4799549 |
Gel-forming aqueous microemulsions for soil stabilization
Stable, gel-forming aqueous microemulsions, well adopted for the reversible stabilization or plugging of soil/rock formations, e.g., subterranean well formations, are comprised of (i) an aqueous...
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4772419 |
Shaped article and processes for its preparation
A shaped article based upon cross-linked, possibly derivatized hyaluronic acid or a salt thereof is characterized in that it has a dry matter content of at least 65 percent by weight and a tensile...
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4755377 |
Foamed air freshener composition
An aqueous-based gel air-treating composition comprising a gel base including a gel-forming agent and a gaseous component in an amount effective to provide a bulk density of said composition of...
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4695548 |
Gel inserts useful in electrophoresis
Gel inserts comprising a solidified liquid such as agarose suitable for use in an electrophoretic method, lysed cells entrapped within a matrix formed by the solidified liquid and macromolecules...
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4689160 |
Acid stable heteropolysaccharide s-421
Heteropolysaccharide S-421, prepared by fermentation of an unidentified Agrobacterium species ATCC 53378, has valuable properties as an acid stable heteropolysaccharide and is especially valuable...
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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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4563404 |
Cell gelling agent
A cell having an anode comprised of an anode metal gelled with a hydrolyzed polyacrylonitrile gelling agent.
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4548736 |
Preparation of protein films
A method to prepare protein films from protein gels is disclosed which utilizes the process of osmosis to remove excess fluid from protein gels without destroying the structural integrity of the...
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4496357 |
Skin barrier composition
A skin barrier composition is provided which is moisture-absorbing while being resistant to urine and other body fluids and substantially non-swelling. It is composed of a continuous elastomer...
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4462926 |
Thixotropising agents for unsaturated polyester resins
Combinations of cyclohexyl amides of saturated fatty acids and oligomeric ester amides are eminently suitable for use as thixotropising agents for unsaturated polyester resins.
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4446055 |
Modifier for effecting physical properties of food and food grade compositions
There is provided a food-grade modifier comprising a substantially water-insoluble neutralized solid complex precipitate of calcium, phosphorous and at least one amino acid selected from tyrosine,...
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