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| Number | Title | Issue Date |
| 7323540 | Process for preparing microrods using liquid-liquid dispersion The invention provides a method for forming polymer microrods, the method including the steps of providing a polymer solution comprising a polymer dissolved in a first solvent; providing a dispersion medium comprising a second solvent, wherein the first solvent and ... | 01/29/2008 |
| 7282466 | Sulfur-functionalized carbon nanoarchitectures as porous, high-surface-area supports for precious metal catalysts The invention relates to sulfur-functionalized polymer gels and carbon gels, including aerogels, and such carbon gels containing platinum or metal nanoparticles. The platinum-containing gels may be useful as fuel-cell electrodes. ... | 10/16/2007 |
| 7226615 | Expandable foam-like biomaterials and methods Liquid, injectable, aqueous solutions are transformed in situ to an expandable foam-like, space filling, and adherent biomaterial. Preferably, the foam-like biomaterial is the reaction product of a two-part liquid system to achieve the in situ formation thereof. The... | 06/05/2007 |
| 7176247 | Interpenetrating polymer network A water insoluble interpenetrating polymer network is obtained by independently cross-linking a first polymer derived from a sulfonic acid or phosphonic acid group containing alkenyl monomer and a second polymer polymerized independently of the first polymer and int... | 02/13/2007 |
| 6999233 | Optical film with co-continuous phases An optical film is provided which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the vo... | 02/14/2006 |
| 6960617 | Hydrogels having enhanced elasticity and mechanical strength properties Hydrogels having improved elasticity and mechanical strength properties are obtained by subjecting a hydrogel formulation containing a strengthening agent to chemical or physical crosslinking conditions subsequent to initial gel formation. Superporous hydrogels havi... | 11/01/2005 |
| 6924322 | Thio-,amine-,nitro-,and macrocyclic containing organic aerogels & xerogels An organic aerogel or xerogel formed by a sol-gel reaction using starting materials that exhibit similar reactivity to the most commonly used resorcinol starting material. The new starting materials, including thio-, amine- and nitro-containing molecules and functio... | 08/02/2005 |
| 6887915 | Precision casting and dead-mold casting in plastic/carbon aerogels The present invention relates to a molding material for the precision casting and dead-mold casting of metals or metal alloys comprising plastic and/or carbon aerogels, and a process for the preparation of such molding materials. The molding material comprise... | 05/03/2005 |
| 6599953 | Precision casting and dead-mold casting in plastic/carbon aerogels The present invention relates to a molding material for the precision casting and dead-mold casting of metals or metal alloys comprising plastic and/or carbon aerogels, and a process for the preparation of such molding materials. The molding material comp... | 07/29/2003 |
| 6271278 | Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties A superporous hydrogel composite is formed by polymerizing one or more ethylenically-unsaturated monomers, and a multiolefinic crosslinking agent, in the presence of particles of a disintegrant and a blowing agent. The disintegrant, which rapidly absorbs ... | 08/07/2001 |
| 5962539 | Process and equipment for drying a polymeric aerogel in the presence of a supercritical fluid A process for obtaining an aerogel from a polymeric material that is in the form a sol-gel in an organic solvent, by exchanging the organic solvent for a fluid having a critical temperature below a temperature of polymer decomposition, and supercritically... | 10/05/1999 |
| 5830987 | Amino-acrylate polymers and method An amino-acrylate polymer is prepared by the reaction of an aliphatic hydroxyl polyacrylate monomer, like pentaerythritol triacrylate, with a polyamine like a hexyldiamine to provide a rigid fast gelling and curing polymer, which polymer may be modified w... | 11/03/1998 |
| 5786398 | Manufacture of insulating foams containing film forming additives This invention relates to insulating foams and to a process for producing the foams. Preferably, the foams are made from phenol formaldehyde resins. The blowing agents for making the foams include film forming coating material which coats the interior sur... | 07/28/1998 |
| 5721285 | Thermal insulating foamed material and method of manufacturing the same The present invention provides a thermal insulating foamed material with excellent thermal insulating properties and a method of manufacturing the same. The method comprises the steps of: concurrently mixing and blowing a polyurethane material to produce ... | 02/24/1998 |
| 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 creation within the composition by aeration of stable, uniform, ... | 10/22/1996 |
| 5541234 | Process for making low density hydrogel materials having high surface areas A process for making a crosslinked, highly porous body derived from a water-soluble, hydrogel polymer, wherein the porous body is characterized in that it has an open-celled 3-dimensional lattice structure, a density of less than about 1.0 g/cm3 | 07/30/1996 |
| 5494940 | Low density materials having high surface areas and articles formed therefrom A crosslinked, highly porous body derived from a water-soluble, hydrogel polymer, wherein the porous body is characterized in that it has an open-celled 3-dimensional lattice structure, a density of less than about 1.0 g/cm3, a surface area of ... | 02/27/1996 |
| 5328939 | Rigid materials having high surface area and low density This invention relates to highly porous, crosslinked bodies derived from nitrogen-containing polymers, and a process of producing the porous bodies which comprises dissolving a nitrogen-containing polymer to form a gel, ionically crosslinking the gel, and... | 07/12/1994 |
| 4640934 | Process for the preparation of cellular products and laminates based on furan prepolymers Process for the preparation of cellular products and laminates based on anhydrous furan prepolymers which possess free OH groups, which is carried out at normal temperature using small amounts of silicon tetrachloride and/or phosphorus oxychloride as the ... | 02/03/1987 |
| 4624923 | Metal-coated polyaldehyde microspheres A metal-containing polyaldehyde microsphere composed of a polyaldehyde microsphere to which a transition metal, e.g. Au, Ag, Pt, Pd, Tc, Fe, Ni or Co, is bound may be obtained in accordance with this invention. The polyaldehyde, e.g. polyacrolein or polyg... | 11/25/1986 |
| 4594287 | Densified carbonaceous bodies with improved surface finishes A liquid impregnant containing furfural, an acid catalyst and a pore-forming agent comprising a surfactant, e.g. a polyalkylene oxide adduct, is impregnated into fine grained, isotropic graphite bodies and then polymerized and pyrolyzed. An increase in th... | 06/10/1986 |
| 4548957 | Densified carbonaceous bodies with improved surface finishes A liquid impregnant containing furfural, an acid catalyst and a pore-forming agent comprising a surfactant, e.g. a polyalkylene oxide adduct, is impregnated into fine grained, isotropic graphite bodies and then polymerized and pyrolyzed. An increase in th... | 10/22/1985 |
| 4525492 | Modified phenolic foams Phenolic foams and a method of producing phenolic foam material from phenol-formaldehyde resins having a phenol to formaldehyde mole ratio of between about 1:3 and 1:4.5 are described. These materials are useful for insulation and other uses, particularly... | 06/25/1985 |
| 4273887 | Process for preparation of foams by condensation reactions An improved process for the production of thermoset foams having a predetermined shape by subjecting a reactive amine to a condensation reaction in an enclosed mould cavity, wherein the reaction is carried out under conditions whereby by-product water fou... | 06/16/1981 |
| 4200700 | Method of after-foaming a mixture of a foam and a resin solution A method of after-foaming a mixture containing a foam and a resin solution. The foam component is brought into contact with the resin solution by means of a suction action. The after-foaming is produced due to said suction action and by superfluous air pr... | 04/29/1980 |
| 4132683 | Process of preparing polyfuran foams Improved polyfuran foams are prepared by polymerizing or copolymerizing furfuryl alcohol, alone or in combination with prepolymers or precopolymers of furfuryl alcohol, as liquid feed material in the presence of a liquid acidic compound, the liquid feed m... | 01/02/1979 |
| 4075139 | Process of making a cured resole foam and product produced therefrom Phenolic foams are disclosed which are obtained by conventional procedures from phenol-aldehyde resole resins and novel premixed catalyst combinations comprising (a) a phosphonate compound ##STR1## wherein R, R1 and R2 are indep... | 02/21/1978 |
| 4071481 | Manufacture of phenolic foam Phenolic foams, mixtures for producing phenolic foams, and processes of manufacturing phenolic foams are disclosed. The resin utilized is a base catalyzed polycondensation product of phenol and formaldehyde which is obtained in a solid, reactive, fusible,... | 01/31/1978 |
| 4046843 | Process for preparing membranes for separation of substances A semipermeable membrane is obtained by casting a cast solution comprising a mixture of a water-insoluble high polymer and a water-soluble high polymer, a mixture of a water-insoluble high polymer and a water-soluble surfactant or a mixture of a water-ins... | 09/06/1977 |
