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| Number | Title | Issue Date |
| 7205344 | Crosslinker for modified asphalt The present invention relates to compositions and methods for providing an improved means of modifying asphalt with a polymer. More particularly, this invention provides a crosslinking system to improve the properties of polymer modified asphalt. Compositions of the... | 04/17/2007 |
| 7166658 | Rubber reduction A method of reducing vulcanized rubber is provided. The method comprises the steps of heating the rubber, wherein the rubber includes synthetic rubber, in the presence of a solvent, wherein the solvent includes water to a temperature below a critical temperature of ... | 01/23/2007 |
| 7067577 | Apatite-reinforced resin composition The present invention relates to a resin composition comprising a resin and apatite, wherein referring to the particulate form of said apatite present in the resin composition thus obtained, the apatite is present in a particulate form having an average diameter or ... | 06/27/2006 |
| 7018582 | Method and apparatus for forming an article and an article formed thereby A method for forming an article in which thermoplastics materials are used as the binding agent. Materials (21) are shredded in a shredder (1), compressed in a compressing chamber (15) and moulded in a moulding chamber (16, 17, 19, 20, 26, 27... | 03/28/2006 |
| 6995205 | Resin composition with high thermal conductivity and method of producing the same A resin composition having high thermal conductivity and excellent moldability and a method of producing the same is provided. The composition includes 40 vol % or more of a matrix resin, 10 to 55 vol % of a thermally conductive filler dispersed in the matrix resin ... | 02/07/2006 |
| 6656589 | Polyamide resin pellet for a miniature part A polyamide resin pellet for a miniature part, comprising a polyamide resin (A) whose melting point as measured by DSC is in the range of 280 to below 330° C., which has an average volume of 0.001 to 21 mm3, the average volume determined by ra... | 12/02/2003 |
| 6632918 | Method of reclaiming crosslinked rubber The object of the present invention is to provide a method of reclaiming crosslinked rubber, which can reclaim various kinds of crosslinked rubbers whose reclamation is difficult. The method of reclaiming crosslinked rubber 10 of the present invention inc... | 10/14/2003 |
| 6239243 | Method for preparing hydrophilic silica gels with high pore volume A method for the preparation of hydrophilic silica gels with high pore volume. In the preferred method a hydrophilic silica hydrogel treated with an organosilicon compound to effect hydrophobing of the silica hydrogel is heated in the presence of an oxidi... | 05/29/2001 |
| 6133413 | Method of manufacturing devulcanized rubber using high temperature and shearing pressure Devulcanized rubber in which sulfuric crosslinking bonds are cut and which contains carbon black particles having very small diameters. Vulcanized rubber of discarded products is devulcanized by heating it at a temperature of 180° C. --350° C. and apply... | 10/17/2000 |
| 5951750 | Anti-yellowing polyolefin compositions containing pearlescent pigment to prevent yellowing and method therefore Antioxidant-containing polyolefin compositions are provided including titanium dioxide-coated mica particles having an overcoating calcined thereon to prevent yellowing of the compositions. Reduced photo-darkening and improved densification of the pigment... | 09/14/1999 |
| 5886764 | Polyester resin-based high index ophthalmic lenses having improved optical uniformity and/or tintability Unsaturated polyester resin-based compositions that are modified for unexpected improvement in uniform, low optical distortion and/or improved tint speed by the addition of one or more additives selected from an allylic ester and/or an acrylic monomer, to... | 03/23/1999 |
| 5556899 | Fluorinated carbon polymer composites Disclosed is a process of effecting a change in the dielectric constant and coefficient of thermal expansion of a polyimide material, by forming a composite based on a dispersion of 2-60 wt. % of fluorinated particulate carbon material and a polyimide or ... | 09/17/1996 |
| 5548004 | Method of preparing coating materials The present invention provides a new and improved method of producing coating materials comprising the steps of providing a first organic material which is solid at room temperature, providing a second organic material which is solid at room temperature a... | 08/20/1996 |
| 5502161 | Method for the production of free-flowing tetrafluoroethylene polymer molding powders An improved process for preparing free flowing tetrafluoroethylene (TFE) polymer powders is disclosed in which a TFE polymer powder is (1) wetted with an aqueous solution containing a wetting agent selected from the group consisting of (a) ethylene glycol... | 03/26/1996 |
| 5472997 | Process for reprocessing plastic wastes The invention relates to a process for reprocessing plastic wastes, in which the plastic wastes filled into vessels are autoclaved as coherent, porous bundles with high water absorption capacity in a steam atmosphere at approximately 150° to 220° C., pr... | 12/05/1995 |
| 5430127 | Process for minimizing residual monomers Aqueous emulsions, at least 80% of which have been polymerized, are treated by a process which comprises the separate steps of: a) initially treating the emulsion with a sufficient amount of a free radical generator in an amount and for a time sufficient ... | 07/04/1995 |
| 5399597 | Method of preparing coating materials The present invention provides a new and improved method of producing coating materials comprising the steps of providing a first organic material which is solid at room temperature, providing a second organic material which is solid at room temperature a... | 03/21/1995 |
| 5376698 | Polyolefin compositions containing coated mica particles to prevent yellowing and methods therefore Antioxidant containing polyolefin compositions are provided including titanium dioxide-coated mica particles comprising a coating of silica and alumina calcined thereon to prevent yellowing of the compositions. Process for preventing the yellowing of anti... | 12/27/1994 |
| 5244961 | Thermoplastic compositions and process for preparing the same A non-vulcanized thermoplastic composition comprising a polyamide and an elastomeric halogen-containing copolymer of a C4 to C7 isomonoolefin and a para-alkylstyrene is prepared by blending the polyamide and elastomeric copolymer in ... | 09/14/1993 |
| 5232975 | Preconsolidation process for making fluoropolymer composites A process for preconsolidating a planar porous fiber-thermoplastic resin layer which is unconstrained in the inplane directions by heating the layer to above the melting point of the resin, then applying pressure to the plane of the layer causing resin fl... | 08/03/1993 |
| 5164428 | Method for the production of fine grain ice and dry clathrate water for manufacturing of concrete/mortar, a method for the production of concrete/mortar by using fine grain ice or dry clathrate water and concrete/mortar products manufactured thereby Concrete/mortar is manufactured with a small amount of water by using fine polymer particles containing frozen water. The water becomes available when the particles thaw or the particles may be used directly without freezing.... | 11/17/1992 |
| 5141973 | Method of preparing polyvinyl alcohol gel A method of preparing a polyvinyl alcohol hydrogel contains the steps of charging an aqueous solution of a polyvinyl alcohol having a degree of hydrolysis of not less than 95 mol % and an average polymerization degree of not less than 500 into a container... | 08/25/1992 |
| 5137942 | Method of mixing high temperature composite filled, thermoplastic engineering resins The method of compounding a high strength, cost-effective, composite of a high temperature, water sensitive, polar, polyamide-inide resin mixed with a talc, water absorbent/adsorbent filler. The method comprises raising said mixture to a temperature of ab... | 08/11/1992 |
| 5030394 | PVdF-based powder coatings A process for preparing pigmented PVdF-based powder coating products is disclosed, which comprises the steps of (i) mixing PVdF resin with a compatible thermoplastic resin, preferably PMMA in a weight ratio of about 80:20 to 40:60, with pigments, and with... | 07/09/1991 |
| 4916170 | Process for making skin marker A skin marker is provided for diagnosis by X-ray tomography and nuclear magnetic resonance imaging. The skin marker is composed of a vessel in which a non-magnetic and X-ray radioopaque material is dispersed, and a hydrogel of high water content filled in... | 04/10/1990 |
| 4882373 | Asphaltic composition An asphaltic composition having improved tensile properties is disclosed. Also disclosed is a method for producing said composition which comprises: A. contacting an asphalt with a mineral acid; B. contacting the acid modified asphalt thus formed with an oxyge... | 11/21/1989 |
| 4824878 | Composites of thermoplastic polymers and silica reinforcing fibers Composites of heat-stable thermoplastic polymers and silica reinforcing fibers having diameters of less than 1000 nm are prepared by polycondensation of silicic acid or polysilicic acid in the melt or solution of the thermoplastic under the influence of a... | 04/25/1989 |
| 4788017 | Process for the improvement of the homogeneity of highly reactive of highly reactive polycondensates The homogeneity of highly reactive polycondensates is improved in a process involving batch operations in a reactor, followed by extrusion and then cooling by a coolant to the point of solidification after which the polycondensates are milled and removed.... | 11/29/1988 |
| 4752630 | Thermoplastic polymer materials containing molecular inorganic reinforcing fibers Composite materials consisting of heat-resistant thermoplastic polymers and metal oxide reinforcing fibers having diameters of less than 1000 nm are prepared by hydrolyzing an organometallic compound, preferably an aluminum alkoxide, in a melt or solution... | 06/21/1988 |
| 4743411 | Process for producing shaped silicon carbide article from a polycarbosilastyrene copolymer A polycarbosilastyrene copolymer which comprises recurring carbosilane units of the formula I: ##STR1## and recurring silastyrene units of the formula II: ##STR2## is useful for producing a shaped sintered silicon carbide article by shaping... | 05/10/1988 |
| 4709009 | Method for the production of reformed p-vinylphenol polymers which are lightened in color A method for the production of reformed p-vinylphenol polymers which are lightened in color comprising treating a p-vinylphenol polymer under heating at about 150° C. to about 350° C. in the presence of an amine, and if optionally, in the additional pre... | 11/24/1987 |
| 4698378 | Procedure for the continuous production of free flowing and homogenous mixtures of plastic materials with admixtures Processes for continuous conversion of granulated PVC material and additive substances to free-flowing pre-blends mechanically intermix at room temperature granulated PVC material and additive substances in a first zone continuously transversed thereby to... | 10/06/1987 |
| 4632947 | Method of producing a polytetrafluorethylene material The present invention relates to a method of producing a polytetrafluorethylene material comprising filler particles embedded therein. In fact, the mechanical characteristics of most synthetic materials can be improved by the inclusion of filler particles... | 12/30/1986 |
| 4621108 | Gilsonite-asphalt emulsion composition A base stock composition comprises a blend of gilsonite, asphalt and a rubber latex residue. The base stock may be used alone as a paving material or emulsified to form a gilsonite emulsion having a variety of uses.... | 11/04/1986 |
| 4554686 | Polymethylmethacrylate bone cements and methods for preparing such bone cements The present invention is directed to polymethylmethacrylate bone cement that is premixed and frozen so as to arrest the polymerization reaction at a suitable point. The frozen bone cement is treated by electromagnetic radiation to insure sterility. In use... | 11/26/1985 |
| 4501828 | Dissolving water soluble polymers High molecular weight, water soluble polymers are dissolved to form liquid solutions at relatively low polymer concentrations and solid, water-plasticized composites at higher polymer concentrations by admixing finely divided polymer particles with ice pa... | 02/26/1985 |
| 4474905 | Freeze blending of reactive liquids and solids Chemically reactive liquids such as catalyzed monomers and prepolymers are mixed with finely divided solids to form a homogeneous blend by chilling the liquid to a temperature below its solidification point, forming it into finely divided solidly frozen p... | 10/02/1984 |
| 4440916 | Process for solid state free radical reactions Particles of two different normally solid materials are caused to react by generating free radicals on the surfaces of at least one of the solids by mechanical working, suitably by comminution, at cryogenic temperatures. At least one of the solids is pref... | 04/03/1984 |
| 4420585 | Method of mixing elastomeric polymers for improved physical properties A method of mixing crosslinkable elastomeric polymers and reinforcing fillers has been developed that yields significant improvements in physical properties compared to like polymers mixed by conventional methods. The method entails working a filler-polym... | 12/13/1983 |
| 4366270 | Process for uniformly blending additives into thermoplastic synthetic resins A method for the uniform blending of additives into thermoplastic synthetic resins. A solution or finely divided dispersion of the additive is produced in a polymerizable cyclic ester of the general formula: ##STR1## wherein R represents respectively... | 12/28/1982 |
