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7585929 |
Preparation and uses for polyarylates
The present invention is directed to polyarylates comprising repeating units having the structure:
as well as their preparation and use as cell growth substrates.
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7585928 |
Multifunctional monomers containing bound mesogenic poragen forming moieties and polyarylene compositions therefrom
A compound (monomer) comprising i) one or more dienophile groups (A-functional groups), ii) one or more ring structures comprising two conjugated carbon-to-carbon double bonds and a leaving group L...
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7517917 |
Composition for preparing nanoporous material comprising calixarene derivative
A composition for preparing a nanoporous material. The composition comprises a thermostable matrix precursor, a calixarene derivative, and a solvent. The composition may enable formation of a low...
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7517466 |
Method for manufacturing porous structure and method for forming pattern
A pattern forming material contains a block copolymer or graft copolymer and forms a structure having micro polymer phases, in which, with respect to at least two polymer chains among polymer...
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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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7442754 |
Molecular imprinting of small particles, and production of small particles from solid state reactants
Small particles of polymeric material are produced by expansion of a mixture of monomers and a propellant. The size and shape of the particles can be precisely tailored by materials selection and...
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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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7425583 |
Ion exchanger
A porous ion exchanger includes an open cell structure including interconnected macropores and mesopores whose average diameter is in a range of 1 to 1000 μm existing on walls of the macropores....
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7361694 |
Durable foam of olefin polymers, methods of making foam and articles prepared from same
Olefin polymer-based, durable, open-cell foam compositions, structures and articles derived from same; methods for preparation of such foams; and use of the dry durable foams in various...
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7332531 |
Microporous high density polyethylene film
Disclosed is a microporous high density polyethylene film for a battery separator and a method of producing the same. The microporous high density polyethylene film includes high density...
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7319114 |
Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter
Hollow polymer particles are provided to have an average particle diameter of 15 μm or more and 500 μm or less and a 10%-compressive strength of 1.5 MPa or more, and the hollow polymer particle...
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7291653 |
Preparation of hydrophobic organic aeorgels
Synthetic methods for the preparation of hydrophobic organics aerogels. One method involves the sol-gel polymerization of 1,3-dimethoxybenzene or 1,3,5-trimethoxybenzene with formaldehyde in...
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7285591 |
Polymer-nanotube composites, fibers, and processes
Disclosed are processes for preparing nanotube composite materials and fibers that provide exceptional nanotube alignment and dispersion. The disclosed processes include contacting nanotube...
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7211607 |
Method for producing high surface area chromia materials for catalysis
Nanostructured chromium(III)-oxide-based materials using sol-gel processing and a synthetic route for producing such materials are disclosed herein. Monolithic aerogels and xerogels having surface...
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7166644 |
Porous polymeric membrane comprising vinylidene fluoride
A process for producing a porous polymeric structure which process comprises preparing a solution comprising a polymer which comprises vinylidene fluoride in a solvent/non-solvent mixture; holding...
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7163965 |
Process for producing porous composite materials
This invention relates to a process for producing porous and composite materials comprising steps of: freezing a complex containing at least one calcium salt selected from calcium carbonate,...
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7151120 |
Degradable porous materials with high surface areas
A method for preparing a highly porous, high surface area degradable or partially degradable material. The method comprises the steps of mixing a degradable or partially degradable polymer with a...
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7148264 |
Method of producing macroporous cross-linked polymer particles
The present invention relates to a method of producing one or more macroporous cross-linked polymer particles, which comprises polymerization and cross-linking of divinyl ether monomers in an inert...
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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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7108922 |
Siloxane-based resin and interlayer insulating film formed using the same
A siloxane-based resin having a novel structure and a semiconductor interlayer insulating film using the same. The siloxane-based resins have a low dielectric constant in addition to excellent...
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7097781 |
Method for manufacturing porous structure and method for forming pattern
A pattern forming material contains a block copolymer or graft copolymer and forms a structure having micro polymer phases, in which, with respect to at least two polymer chains among polymer...
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7091287 |
Nanopore forming material for forming insulating film for semiconductors and low dielectric insulating film comprising the same
The present invention relates to a nanopore-forming material for forming an insulating film for a semiconductor device, and more particularly to a nanopore-forming organic material containing a...
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7090784 |
Method for manufacturing porous structure and method for forming pattern
A pattern forming material contains a block copolymer or graft copolymer and forms a structure having micro polymer phases, in which, with respect to at least two polymer chains among polymer...
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7081272 |
Coating composition for forming low-refractive index thin layers
A composition comprising a fluid, silica precursor (A) obtained by subjecting alkoxysilane(s) to hydrolysis/polycondensation in the presence of an acid catalyst, a basic compound (B) having a basic...
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7081216 |
Foams and coatings
Processes for the preparation of adherent polyvinylidene fluoride, hexafluoropropylene coatings on objects and for the direct production of open celled foams from a polymer latex without a need for...
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7078441 |
Organic porous material, process for manufacturing the same, and organic porous ion exchanger
An organic porous material having a continuous pore structure, which comprises interconnected macropores and mesopores with a radius of 0.01 to 100 μm in the walls of the macropores, having a...
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7074335 |
Method of producing hierarchical porous beads
The present invention is a method of producing porous beads, which comprises the steps of providing a first liquid phase comprising a bead matrix material and essentially edgy templating...
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7071125 |
Precursors for film formation
A method including introducing a precursor in the presence of a circuit substrate, and forming a film including a reaction product of the precursor on the substrate, wherein the precursor includes...
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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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6989405 |
Resinous filter for ink-jet recording apparatus
Disclosed is a resinous filter for an ink-jet recording apparatus, which is obtained by a process comprising: adding common salt to a melt of a resin comprising at least one member selected from...
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6967222 |
Porous optical materials
Methods of preparing porous optical materials are provided. These methods allow for the selection of the desired pore size and level of porosity in the porous optical material. Such methods utilize...
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6929764 |
Polymers having ordered, monodisperse pores and their corresponding ordered, monodisperse colloids
Ordered, monodisperse macroporous polymers, their corresponding ordered, monodisperse colloids, and methods of preparing them are disclosed. The methods use an ordered, monodisperse colloidal...
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6900249 |
Durable, absorbent latex foam composition having high vertical wicking
A durable, conformable, absorbent, hydrophilic, polymeric latex foam composition having a free absorbent capacity of at least 5 grams of a 0.9 weight percent aqueous saline solution per gram of...
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6855743 |
Reinforced, laminated, impregnated, and composite-like materials as crosslinked polyvinyl alcohol hydrogel structures
Reinforced, laminated, impregnated, and materials with composite properties as cross linked polyvinyl alcohol hydrogel structures in bulk or cellular matrix forms that can take essentially any...
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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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6797738 |
Open pore biodegradable matrices
The invention is directed to a process for preparing porous polymer materials by a combination of gas foaming and particulate leaching steps. The invention is also directed to porous polymer...
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6780499 |
Ordered two-phase dielectric film, and semiconductor device containing the same
A porous, low-k dielectric film that has good mechanical properties as well as a method of fabricating the film and the use of the film as a dielectric layer between metal wiring features are...
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6765030 |
Methods of forming polymeric structures using carbon dioxide and polymeric structures formed therapy
Methods of forming a polymeric structure having a plurality of cells therein that include contacting a polymeric material that includes a first phase and a second phase with a composition...
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6765028 |
Porous fibers from natural/synthetic polymer blends
A method of preparing a porous fiber, the method including blending a natural polymer having a thermal stability with a synthetic polymer having a thermal stability, wherein the thermal stability...
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6702965 |
Method of forming a porous composite product, in particular with a high specific surface
A process for the preparation of a porous composite product. The process steps are forming a homogeneous mixture having one or more insoluble polymers, one or more soluble or calcinable polymers...
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6673847 |
Water immiscible porogen removal process
The present invention relates to a method of removing water immiscible porogens from macroreticular copolymers comprising distilling said porogen in water soluble organic solvent.
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6670404 |
Polymeric foam powder processing techniques, foam powders products, and foams produced containing those foam powders
This relates variously to techniques for comminuting polymeric foams, to techniques for preparing polymeric foams containing that comminuted foam, and to the resulting comminuted foam powder and...
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6632849 |
Porous carbonized film and process for its production
A porous carbonized film with fine continuous pores, obtained by carbonization of a highly heat-resistant resin porous film in an anaerobic atmosphere, and a process for its production.
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6608117 |
Methods for the preparation of cellular hydrogels
What is disclosed herein are physically cross-linked, cellular hydrogels and methods for their preparation. The cellular materials are highly resilient, hydrophilic materials having broad uses. The...
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6583187 |
Continuous processing of powder coating compositions
Systems, apparatus combinations and methods for producing a coating powder are provided wherein a stream of a powder coating precursor including at least one resin and at least one additional...
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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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6500401 |
Carbon foams and methods of making the same
A method of making carbon foam is described which involves pyrolizing a mixture containing at least one pyrolizable substance and at least one unpyrolizable material and then removing the...
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6486240 |
Method for producing an asymmetric support membrane by physical gelation and the membranes obtained thereby
An asymmetric support membrane can be prepared by using a phase separation method. The method includes immersing a polymer solvent solution into water. The polymer solution is made by dissolving 15...
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6451348 |
Method of manufacturing porous matrix-type controlled release systems using emulsion technique
A method of manufacturing a porous matrix-type drug delivery system is provided. It comprises the steps of: dispersing, stirring, and emulsifying an aqueous solution of a drug in an organic solvent...
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