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7579385 |
Dried porous crumbs of hydrogenated block copolymer
Disclosed are dried porous crumbs of a hydrogenated block copolymer which is obtained by hydrogenating a block copolymer comprising (a) at least one polymer block composed mainly of aromatic vinyl...
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7482389 |
Nanoporous media with lamellar structures
A nanoporous material exhibiting a lamellar structure is disclosed. The material comprises three or more substantially parallel sheets of an organosilicate material, separated by highly porous...
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7446131 |
Porous polymeric matrices made of natural polymers and synthetic polymers and optionally at least one cation and methods of making
A porous polymeric matrix containing at least one natural polymer and at least one synthetic polymer and optionally at least one cation. Furthermore, a method of making a porous polymeric matrix...
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7435761 |
Microporous polyethylene film and method of producing the same
Disclosed is a microporous polyethylene film for a battery separator and a method of producing the same. The microporous polyethylene film comprises a resin mixture, which includes 100 parts by...
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7432311 |
Process for creating high internal phase polymeric emulsions
A “high internal phase polymeric emulsion” (“HIPPE”) composition is described which comprises an emulsion of a discrete phase (component A) and a continuous phase (component B), wherein the...
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7268169 |
Silicone elastomer porous body
A substantially closed-cell silicone elastomer porous body includes cells with diameters of 50 μm or less, which occupy 50% or more of all the cells, and has a closed cell rate of 60% or more.
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7211322 |
Lead acid battery separator with improved electrical and mechanical properties
An oxidation resistant, microporous polyolefin web exhibiting high-strength mechanical and low electrical resistance properties is a solid matrix that includes an ultrahigh molecular weight...
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7115673 |
Photosensitive resin composition, porous resin, circuit board, and wireless suspension board
The present photosensitive resin composition 2 comprises a polyamic acid resin 4 , a photosensitive agent, a dispersible compound 3 dispersible in the polyamic acid resin 4 , and a solvent....
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7056455 |
Process for the preparation of nanostructured materials
The present invention comprises a novel process for the preparation of carbon based structured materials with controlled topology, morphology and functionality. The nanostructured materials are...
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6897247 |
High internal phase polymeric emulsion composition
A high internal phase emulsion composition comprising: a) at least three components; b) component A is a polymer, monomer or mixture thereof; c) component B is a polymer; d) component C is a...
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6872761 |
Compositions for acoustic-damping coatings
The presence of expandable microspheres in an aqueous coating composition comprised of at least one dispersed polymer and at least one inorganic filler helps to improve the appearance and/or sound...
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6818673 |
Method for producing silicone foam utilizing a mechanical foaming agent
A method of producing silicone foam includes the step of adding a mechanical foaming agent to uncured silicone. The mechanical foaming agent is a plurality of solid bodies insoluble in the...
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6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom
Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present...
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6777454 |
Vesiculated polyester granules
This invention relates to a process of preparing vesiculated granules of crosslinked carboxylated polyester resin utilising a particular class of non-alkylphenolethoxylate surfactant.
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6710130 |
Propylene polymer composition and its foam moldings
A propylene polymer composition of high melt tension, which is especially favorable for foam moldings of uniform thickness, and foam moldings thereof having a uniform thickness, are obtained by...
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6630519 |
Process for producing porous polymer
This invention concerns a method for the production of a porous polymer from a water-in-oil type high internal phase emulsion (HIPE). By using an oil-soluble polymerization initiator as the...
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6562449 |
Nanoporous low dielectric constant polymers with hollow polymer particles
A nanoporous polymer comprises hollow structures fabricated from crosslinked polymeric strands. The hollow structures are further coupled to other crosslinked polymeric strands by a covalent bond....
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6472443 |
Porous polymer media
Highly crosslinked monolithic porous polymer materials for chromatographic applications. By using solvent compositions that provide not only for polymerization of acrylate monomers in such a...
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6395793 |
Method for production of porous material
An object of this invention is to provide a method for the production of a porous material by polymerizing a water-in-oil type high internal phase emulsion in a briefer time than a conventional...
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6387969 |
Porous article and process for producing porous article
A porous article having excellent heat resistance, a finely cellular structure, and a low dielectric constant; and a process for producing the porous article which comprises subjecting a polymer...
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6372808 |
Process for producing porous polyimide and porous polyimide
A porous polyimide having a finely cellular structure and having a low dielectric constant and heat resistance. The porous polyimide can be produced by a process comprising adding a dispersible...
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6355730 |
Permselective membranes and methods for their production
Membrane materials for removing uremic toxins from a hydrophobic polymer such as polysulfone and two polyvinyl pyrrolidones, hydrophilic polymers of different molecular weights, that is 10-50 wt. %...
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6355699 |
Process for manufacturing biomedical foams
The present invention provides an improved lyophilization process for forming biocompatible foam structures. The process allows the foam structures to be tailored for specific end uses. The foams...
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6136873 |
Water-absorbing, expanded, crosslinked polymers, the production and use thereof
Water-absorbing, expanded, crosslinked polymers obtainable by (I) foaming a polymerizable aqueous mixture which comprises (a) monoethylenically unsaturated monomers which contain acidic...
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6107356 |
High suction polymeric foam materials
Disclosed are polymeric foam structures suitable for absorbing and storing body fluids such as urine, menses and the like. These liquid storage structures are high suction collapsible polymeric...
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6100306 |
Polymeric microbeads and methods of preparation
The present invention relates to porous crosslinked polymeric microbeads having cavities joined by interconnecting pores wherein at least some of the cavities at the interior of each microbead...
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6080796 |
Dissolving insecticide in monomer
Insecticides, and particularly termiticides, may be dissolved in monomers polymerized to form foamable polymers, such as polystyrene. The resulting monomer and insecticide may then be polymerized...
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6057376 |
Process to prepare low density porous crosslinked polymeric materials
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6040494 |
Foam material its manufacturing method and use and an absorbent disposable article comprising such a foam material
The invention pertains to a foam material for absorption of aqueous liquids, a manufacturing method and an advantageous use of such a foam material, and an absorbent disposable article comprising...
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6017971 |
Resin composition to be plated
A resin composition for plating comprising a thermoplastic resin and aluminum borate or amorphous silica, or both as an inorganic filler. The resin compositionexhibits excellent plating...
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6013589 |
Absorbent materials for distributing aqueous liquids
Disclosed are materials capable of distributing and releasing aqueous fluids, e.g., urine, to a storage material, and absorbent articles comprising such fluid distribution materials. These fluid...
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6011075 |
Enhancing gel strength
A composition adapted to form a strengthened gel for treating subterranean formations is described, the composition comprising an aqueous liquid containing an effective amount of a water soluble...
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5998493 |
Hydrophilic/oleophilic microcellular foam and method for making same
A superabsorbent foam material is made by a water-in-oil high internal phase emulsion polymerization comprising the steps of (a) dissolving an organic solvent-soluble surfactant in a...
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5994419 |
Preparation of rapidly dissolving/absorbing powders of hydrophilic/super absorbent (CO)polymers
Rapidly dissolving/absorbing free-flowing powders of hydrophilic/superabsorbent (co)polymers, having irregular nonspherical morphology and a particle size distribution ranging from 100 μm to 800...
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5990184 |
Polyisocyanate based aerogel
Process for making polyisocyanate based aerogels by trimerisation of an organic polyisocyanate in an organic solvent in the presence of a (co)polymer containing an isocyanate-reactive group,...
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5990182 |
Polymer packing material for liquid chromatography and a producing method thereof
A method of producing a polymer packing material for liquid chromatography includes the steps of swelling seed polymer particles to form swelled particles, polymerizing monomers in the swelled...
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5989467 |
Ceramic foam precursor resin composition
The present invention is embodied in a ceramic foam made by mixing a liquid pre-ceramic resin and a liquid phenolic resin, allowing the resultant mixture to chemically foam, curing the mixture for...
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5977194 |
High internal phase emusions and porous materials prepared therefrom
High internal phase emulsions having an internal aqueous phase of greater than 70 percent by volume and an external oil phase comprising a vinyl polymerizable monomer contain a surfactant capable...
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5948557 |
Very thin microporous material
Very thin microporous material comprises a matrix of substantially linear polyolefin, finely divided substantially water-insoluble filler particles distributed throughout the matrix, and a network...
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5912276 |
Process to prepare low density porous cross-linked polymeric materials
Stable high internal phase water-in-oil emulsions containing polymerizable vinyl monomers, crosslinking monomers and initiators are obtained useful in producing low density porous crosslinked...
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5902834 |
Method of manufacturing particles, and particles that can be produced in accordance with the method
A method of producing open porous spherical particles by polymerizing monovinyl monomers and divinyl monomers and/or polyvinyl monomers (cross-linkers) in an emulsion with the aid of an initiator....
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5869171 |
Heterogeneous foam materials
The present invention relates to a HIPE-derived heterogeneous polymeric foam structure of interconnected open-cells, wherein the foam structure has at least two distinct regions. Such heterogeneous...
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5863957 |
Polymeric microbeads
The present invention relates to porous crosslinked polymeric microbeads having cavities joined by interconnecting pores wherein at least some of the cavities at the interior of each microbead...
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5849805 |
Process for making foams useful as absorbent members for catamenial pads
Foams capable of absorbing blood and blood-based fluids, especially menses. These absorbent foams have high capillary absorption pressures required of absorbents used in catamenial products, yet...
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5800861 |
High solid infrared absorbing compositions
Infrared absorbing compositions useful as high solid coatings comprising 5-50% of a volatile solvent portion and 50-95% of a non-volatile portion which comprises a film-forming binder having...
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5795921 |
Foams made for high internal phase emulsions useful as absorbent members for catamenial pads
Foams capable of absorbing blood and blood-based fluids, especially menses. These absorbent foams have high capillary absorption pressures required of absorbents used in catamenial products, yet...
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5786395 |
Absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids
Absorbent foams materials that are capable of acquiring and distributing aqueous fluids, especially discharged body fluids such as urine. These absorbent foams combine relatively high capillary...
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5770634 |
Foam materials for insulation, derived from high internal phase emulsions
The present invention relates to compressable polymeric foam materials useful as insulation. These polymeric foams are prepared by polymerization of certain water-in-oil emulsions having a...
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5763499 |
Process for making absorbent foams from high internal phase emulsions useful for acquiring aqueous fluids
Absorbent foam materials that are capable of acquiring and distributing aqueous fluids, especially discharged body fluids such as urine. These absorbent foams combine relatively high capillary...
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5760097 |
Methods of preparing polymeric microbeds
The present invention relates to porous crosslinked polymeric microbeads having cavities joined by interconnecting pores wherein at least some of the cavities at the interior of each microbead...
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