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| Number | Title | Issue Date |
| 8119700 | Organic aerogel, composition for forming the same, and method of preparing the same Disclosed is an organic aerogel including a polymer obtained from reaction an aryl alcohol compound, an aldehyde compound, and a polyol compound, a composition for forming the same, and a method of preparing the same. ... | 02/21/2012 |
| 8097657 | Organic polymer porous material and method for producing the same The present invention relates to organic polymer porous materials, and in particular, to an organic polymer porous material that functions as a reusable insoluble solid catalyst and a method for producing the same. The organic polymer porous material of the present ... | 01/17/2012 |
| 8080590 | 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 involving mixing at least one natural polymer and inorganic salts with ... | 12/20/2011 |
| 8076383 | Porous resin particle having hydroxy group or primary amino group and production method thereof The present invention relates to a method for producing a porous resin particle having a functional group X, the method including: dissolving a radical polymerizable aromatic monovinyl monomer and a radical polymerizable aromatic divinyl monomer together with a poly... | 12/13/2011 |
| 8076382 | Porous polymeric materials for hydrogen storage Porous polymers, tribenzohexazatriphenylene, poly-9,9′-spirobifluorene, poly-tetraphenyl methane and their derivatives for storage of H2 prepared through a chemical synthesis method. The porous polymers have high specific surface area and narrow pore si... | 12/13/2011 |
| 8022110 | Porous polyimide A porous polyimide obtained by removing a silica phase from an organic-inorganic polymer hybrid having a molecule structure in which a polyimide phase and the silica phase are held together by covalent bond. ... | 09/20/2011 |
| 7947752 | Method of producing 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 polyethylene with a weight average molecular weight of 2×105-5×10 | 05/24/2011 |
| 7812062 | 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 applications are disclosed. Further described is use of the foams and structures... | 10/12/2010 |
| 7799839 | Porous material having hierarchical pore structure and preparation method thereof Disclosed are porous material having hierarchical pore structure and preparation method thereof. A method of synthesizing a nanoporous material having high functionality as a support for bioactive material is combined with a three-dimensional rapid prototyping techn... | 09/21/2010 |
| 7662866 | Polymeric support having novel pore structures The invention is a method of producing a cross-linked polymeric support having a multimodal pore structure, which comprises providing a degradable initiator molecule; providing an organic phase comprising said initiator molecule, radically polymerizable monomers and... | 02/16/2010 |
| 7521485 | Organic, open cell foam materials, their carbonized derivatives, and methods for producing same Organic, small pore area materials (“SPMs”) are provided comprising open cell foams in unlimited sizes and shapes. These SPMs exhibit minimal shrinkage and cracking. Processes for preparing SPMs are also provided that do not require supercritical extraction. The... | 04/21/2009 |
| 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 dielectric constant film in which nanopores with a size not larger tha... | 04/14/2009 |
| 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 spacer regions. The distance between the centers of the sheets lies betwe... | 01/27/2009 |
| 7456228 | 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 applications are disclosed. Further described is use of the foams and structures... | 11/25/2008 |
| 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 involving mixing at least one natural polymer and inorganic salts with ... | 11/04/2008 |
| 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 expansion conditions. Particles of 10 nanometers to 100 microns can be... | 10/28/2008 |
| 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 weight of composition containing 20-50 wt % polyethylene with a weight a... | 10/14/2008 |
| 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. Moreover, a total pore volume is in a range of 1 to 50 ml/g, ion excha... | 09/16/2008 |
| 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 applications are disclosed. Further described is use of the foams and structures... | 04/22/2008 |
| 7361693 | Low density polymer beads Low density polymeric beads made by polymerizing monomeric building blocks into large crosslinked polymer molecules in porous, spherical bead form by droplet or suspension polymerization in the presence of a porogen. ... | 04/22/2008 |
| 7351443 | Electron-emmiting material and manufacturing method therefor The present invention provides an emissive material with excellent electron emission characteristics. In particular, the present invention relates to a method for manufacturing an emissive material consisting of oriented graphite, having a step of obtaining an orien... | 04/01/2008 |
| 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 polyethylene with a weight average molecular weight of 2×105-5×10 | 02/19/2008 |
| 7332160 | Medical device and method for tissue removal and repair The present invention relates to medical devices that are to be implanted or inserted into the body of a patient for the purpose of removing undesired body tissues. In one embodiment of the invention the medical device comprises a body tissue removal agent for remov... | 02/19/2008 |
| 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 includes a hollow portion in the interior. In addition, a porous ceram... | 01/15/2008 |
| 7316769 | Length-dependent recoil separation of long molecules Separation of long molecules by length is obtained by forcing such molecules to traverse a boundary between a low free-energy region and a high free-energy region. In one embodiment, the high free-energy region is a dense pillar region or other structure formed on a... | 01/08/2008 |
| 7290586 | Bicontinuous composites A ceramic foam having pores in the range of 20 to 800 microns and 10 to 30 % of theoretical density is placed in a preheated mould and molten metal or plastics is drawn in to form a bicomposite structure. ... | 11/06/2007 |
| 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 non-aqueous solvents. Using a procedure analogous to the preparation of res... | 11/06/2007 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
| 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 dispersions with polymer melts. Also disclosed are nanotube composite fibers... | 10/23/2007 |
| 7284668 | Microporous membrane substrate having caustic stable, low protein binding surface The present invention provides porous media or membranes having a surface coating that includes a first coating of a cross-linked terpolymer and a second coating comprising a copolymer or a terpolymer modified with a hydrophilic or hydrophobic functional group which... | 10/23/2007 |
| 7285287 | Carbon dioxide-assisted methods of providing biocompatible intraluminal prostheses Methods of producing biocompatible intraluminal prostheses are provided and include immersing polymeric material of an intraluminal prosthesis in a densified carbon dioxide composition under controlled conditions such that toxic materials are absorbed by the densifi... | 10/23/2007 |
| 7282273 | Grease resistance and water resistance compositions and methods A method of improving grease and/or water resistance of a material is disclosed that comprises treating the material with wax and poly(vinyl alcohol) and optionally with a polyamine. Compositions for practicing the method and materials that have been treated by the ... | 10/16/2007 |
| 7270184 | Method of well treatment The invention provides a method of well treatment comprising introducing into the matrix surrounding a hydrocarbon well bore hole an emulsion the discontinuous phase of which comprises a non-polymerizable, water or oil miscible liquid carrier, a polymerizable monome... | 09/18/2007 |
| 7267169 | Methods for forming a permeable and stable mass in a subterranean formation This invention relates to subterranean treatment operations. More particularly, this invention provides methods that may be useful in providing void-free barriers between a subterranean formation and a portion of a well bore. A nonlimiting example of a method is a m... | 09/11/2007 |
| 7258914 | Porous membrane and method for manufacturing the same The object of the present invention is to provide a porous membrane having a high strength and excellent water permeability and rejection properties. The porous membrane of the present invention has both a three-dimensional network structure and a spherical structur... | 08/21/2007 |
| 7255917 | Reticulated open cell filling material Flexible filtering filling material consisting of pieces that are 100% open cell reticulated polyurethane foam. The pieces filter out the damp warm condition within the filling, haltering the proliferation of microorganisms, giving the product a more sanitary and lo... | 08/14/2007 |
| 7250374 | System and method for processing a substrate using supercritical carbon dioxide processing A method and system for processing a substrate in a film removal system. The method includes providing the substrate in a substrate chamber of a film removal system, where the substrate has a micro-feature containing a dielectric film on a sidewall of the micro-feat... | 07/31/2007 |
| 7247238 | Poly(ethylene chlorotrifluoroethylene) membranes Porous polymeric membranes including Halar (poly (ethylene chlorotrifluoroethylene)) and related compounds and the methods of production thereof which avoid the use of toxic solvents. Preferred solvents, coating agents and pore forming agents are citric acid ethyl e... | 07/24/2007 |
| 7241704 | Methods for producing low stress porous low-k dielectric materials using precursors with organic functional groups Methods of preparing a low stress porous low-k dielectric material on a substrate are provided. The methods involve the use of a structure former precursor and/or porogen precursor with one or more organic functional groups. In some cases, the structure former precu... | 07/10/2007 |
| 7230153 | Multilayer conductive appliance having wound healing and analgesic properties A dressing for promoting healing and pain relief of the body of a living organism having a pathologic condition has at least one layer of conductive material having a resistance no greater than 1000 Ω/cm2. When placed proximate a portion of the body of t... | 06/12/2007 |
