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| Number | Title | Issue Date |
| 7407999 | Low permeability nanocomposites The present invention is a blend of a thermoplastic engineering resin and an interpolymer of, on one embodiment, a C4 to C7 isomonoolefin, a para-methylstyrene and a para-(halomethylstyrene), the interpolymer having been pre-mixed with an exfol... | 08/05/2008 |
| 7378466 | Nonviscous aqueous dispersion compositions of water-swellable layered silicates and the method of producing the same Concentrated suspensions of smectite clays are obtained as either relatively “thin” or highly shear-thinning slurries that are easy to pump, by adding one or more of certain cationic polymers whose weight average molecular weight, Mw, is 50,000 or higher. It was... | 05/27/2008 |
| 7329702 | Composition and method of making the same A composition comprising a fluorinated block copolymer and at least one of an intercalated layered silicate or exfoliated silicate platelets, and methods of making the same. ... | 02/12/2008 |
| 7273899 | Materials and method for making splayed layered materials The present invention relates to a splayed material comprising a layered material splayed with a particle having a diameter equal to or less than 3 micrometers. Another embodiment of the invention includes an article comprising a matrix and a layered material splaye... | 09/25/2007 |
| 7258732 | Stabilized slurry composition and method of making the same The present invention provides a high solids mineral slurry having long term stability and a method for producing the same. Specifically, the present invention provides a talc slurry having a solids content of up to 65% and a stability against sedimentation for up t... | 08/21/2007 |
| 7214734 | Liquid crystalline composites containing phyllosilicates The present invention provides barrier films having reduced gas permeability for use in packaging and coating applications. The barrier films comprise an anisotropic liquid crystalline composite layer formed from phyllosilicate-polymer compositions. Phyllosilicate-p... | 05/08/2007 |
| 7214264 | Hyperplaty clays and their use in paper coating and filling, methods for making same, and paper products having improved brightness The present invention relates to a hydrous kaolin product having improved optical properties, for example, when used in the production of paper products. The present invention comprises an improved barrier coating for paper and a method of making the coated paper. T... | 05/08/2007 |
| 7196131 | Polymer-modified inorganic particles The invention relates to polymer modified inorganic particles with a layer structure with an average particle diameter of 5 nm to 20,000 nm, containing 20 to 5000 mass % interlamellarly, in relation to the anhydrous inorganic particle, of a mixture of aminoplasts an... | 03/27/2007 |
| 7157516 | Polyolefin nanocomposites The present invention relates to methods for the preparation of clay/polymer nanocomposites. The methods include combining an organophilic clay and a polymer to form a nanocomposite, wherein the organophilic clay and the polymer each have a peak recrystallization te... | 01/02/2007 |
| 7122080 | Integrated process for simultaneous beneficiation, leaching, and dewatering of kaolin clay suspension The present invention provides an improved method of beneficiating and dewatering kaolin clays. The product of the improved process is a brightened, dewatered kaolin, suitable for use in pigments and paper coating compositions. The improved beneficiation process pro... | 10/17/2006 |
| 7119134 | Nanocomposite color concentrate pellets A method of making a polymeric compound with nanofiller of a predetermined grade. The method includes the steps of providing a base grade of the polymeric material, and mixing a nanofiller concentrate material with the base grade polymeric material in a ratio suffic... | 10/10/2006 |
| 7109257 | Modified clays and methods for making and using same Processes for modifying the surface chemistry of a clay are disclosed. In one embodiment, there is provided a process for modifying the surface chemistry of a clay, wherein the process comprises: providing a clay dispersion comprising at least one unmodified clay wh... | 09/19/2006 |
| 7091263 | Nanocomposite based on a bridged clay, and a cable comprising said composite The invention provides nanocomposites comprising a clay and an organic compound, in which the clay is a clay bridged by a metal compound, preferably iron oxide and/or aluminum oxide. The organic compound is preferably a polymer. The clay-based nanocomposites of the ... | 08/15/2006 |
| 7081491 | Method for fabricating polybenzoxazole/clay nanocomposite materials A method for fabricating a polybenzoxazole/clay nanocomposite material includes performing an ion exchange reaction between an organic amine and Na+-montmorillonite to form a swelled organoclay. A polycondensation reaction is conducted between two types o... | 07/25/2006 |
| 7071247 | Reinforced filter material The invention relates to a porous mold for use in a pressure casting process, which mold is manufactured of a polymeric material forming a matrix into which a clay and a block copolymer or a graft copolymer have been incorporated, wherein the block copolymer or graf... | 07/04/2006 |
| 6979410 | Piezoelectric ceramic, method of manufacturing the same and piezoelectric device Provided are a piezoelectric ceramic and a piezoelectric device having a larger piezoelectric strain constant and capable of being fired at a lower temperature. A main component of PbA[(Mg1/3Nb2/3)a(Zn1/3Nb... | 12/27/2005 |
| 6924334 | Polyolefin resin composition It is an object of the present invention to provide a polyolefin resin composition excellent in flame retardancy, in particular capable of manifesting excellent flame retardancy owing to a shape retaining effect upon combustion, and excellent also in mechanical stre... | 08/02/2005 |
| 6887931 | Thermosetting inorganic clay nanodispersions and their use This invention relates to thermosetting inorganic clay nanodispersions comprising an inorganic clay treated in situ with an intercalation agent and a non-aqueous, chemically reactive, organic intercalation facilitating agent, wherein the amount of intercalation faci... | 05/03/2005 |
| 6884834 | Shear modification of HDPE-clay nanocomposites A method for modifying a high-density polyethylene (HDPE)-clay nanocomposite is disclosed. The method comprises shearing a melt of the nanocomposite at an effective shear rate. The modified nanocomposite shows significantly increased complex melt viscosity, storage ... | 04/26/2005 |
| 6872677 | Brick additives and methods for using same A brick additive and methods for using the brick additive are disclosed. The additive may include an internal porosity. The internal porosity may display an intra-granular internal porosity in which at least some of the pores are interconnected via an open network o... | 03/29/2005 |
| 6861462 | Nanocomposite formed in situ within an elastomer and article having component comprised thereof This invention relates to preparation and use of nanocomposites formed in situ within an elastomer host wherein the nanocomposite is comprised of an elastomer matrix and a dispersion therein of at least partially exfoliated clay platelets. Rubber composites can be p... | 03/01/2005 |
| 6849680 | Preparation of polymer nanocomposites by dispersion destabilization Nanocomposites may be produced by mixing dispersions of polymers and dispersions of clay minerals. After mixing, the dispersions may be destabilized with the addition of appropriate compounds. The flocculated solid material exhibits characteristics of a nanocomposit... | 02/01/2005 |
| 6841607 | Thermosetting inorganic clay nanodispersions and their use This invention relates to thermosetting inorganic clay nanodispersions comprising an inorganic clay and at least one organometallic compound. The thermosetting inorganic clay nanodispersions are used to prepare thermosetting articles. ... | 01/11/2005 |
| 6838508 | Polyolefin-based nanocomposite and preparation thereof A polyolefin-based nanocomposite and a method of preparing the same are disclosed. The polyolefin-based nanocomposite is prepared by melt kneading a mixture including (A) 40-99.8% by weight of a matrix polymer of polyolefin; (B) 0.1-30% by weight of a polyolefin com... | 01/04/2005 |
| 6828370 | Intercalates and exfoliates thereof having an improved level of extractable material The invetion is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix oplymer and a layered clay material having decreased levels of extractable material, such as extractible salts of organic cations. This invention is also derected ... | 12/07/2004 |
| 6828367 | Organic modification of a layered silicate by co-ion exchange of an alkyl ammonium and a mono-protonated diamine Co-Ion exchange of the interlayer cations of a layered silicate with a mono-protonated aromatic diamine and an alkyl ammonium ion into the silicate galleries. The presence of the alkyl ammonium ion provides low oligomer melt viscosity during processing. The presence... | 12/07/2004 |
| 6822035 | Process for the preparation of organoclays A method for preparing organoclays for use as rheological control agents and in the preparation of nanocomposites. Typically, the clay is dispersed in water, and a specific amount of polymeric hydrotrope, ranging from 0.1 to 15 weight percent relative to the weight ... | 11/23/2004 |
| 6811602 | Process for preparing silicate porous product A process for preparing a silicate porous product, which comprises a step of forming a clay mineral into a dispersion by means of a dispersant, a step of removing gases dissolved in the dispersion, a step of freezing the dispersion and drying it in its frozen state ... | 11/02/2004 |
| 6787592 | Organoclay compositions prepared from ester quats and composites based on the compositions Organoclays based on specific types of ester quats are found to be remarkably effective for use in preparing nanocomposites. These organoclays comprise the reaction product of a smectite clay and a quaternary ammonium compound (or “quat”) which comprises two est... | 09/07/2004 |
| 6770696 | Preparation of clay-dispersed polymer nanocomposite Disclosed is a method for preparing a clay-dispersed polymer nanocomposite. In this method, a polymer, which carries oxygen atoms within the repeating units of its backbone and is thermodynamically compatible with a binder resin, is used as a matrix resin. Useful is... | 08/03/2004 |
| 6765049 | High acid aqueous nanocomposite dispersions The present invention is directed to, in part, polymer clay nanocomposites having an acid containing monomer and clay. In one embodiment, there is provided a process for preparing an aqueous polymer clay nanocomposite dispersion, wherein the process comprises: provi... | 07/20/2004 |
| 6737464 | Polymer nanocomposite comprising a matrix polymer and a layered clay material having a low quartz content The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having low quartz content. This invention is also directed to a process for preparing polymer-clay nanocomposites, and article... | 05/18/2004 |
| 6602341 | Treating kaolinitic clays A method of treating a kaolinitic clay which is intended for use as an ingredient in a ceramic composition which method comprises the steps of: (a) mixing with the kaolinitic clay from 0.1% to 15.0% by weight, based on the dry weight of the kaolinitic clay, of... | 08/05/2003 |
| 6552113 | Polymer-clay nanocomposite comprising an amorphous oligomer This invention is directed to a polymer-clay nanocomposite, products produced from the nanocomposite, and a process for preparing a polymer-clay nanocomposite. The polymer-clay nanocomposite comprises (a) a matrix polymer, (b) an amorphous oligomer, and (... | 04/22/2003 |
| 6548438 | Method for processing clay ceramic materials A method of forming bricks, tiles, and the like by treating clay, shale or other clay ceramic raw materials containing pyrite is disclosed. Such clay, ceramic raw materials may be ground, and then mixed with an oxidizer in a pre-oxidation step to disperse... | 04/15/2003 |
| 6461423 | Intercalates and exfoliates formed with hydroxyl-functional; polyhydroxyl-functional; and aromatic compounds; composite materials containing same and methods of modifying rheology therewith Intercalates formed by contacting a layered material, e.g., a phyllosilicate, with an intercalant monomer having a hydroxyl and/or an aromatic ring functionality to sorb or intercalate the intercalant monomer between adjacent platelets of the layered mate... | 10/08/2002 |
| 6451895 | One step process for making breathable, clay filled polymer compositions having controlled stability in contact with aqueous fluids This invention discloses novel water-responsive compositions with improved stability to aqueous liquids and an improved method of making the compositions. The addition of organically modified clay to poly(ethylene oxide) significant improves the liquid st... | 09/17/2002 |
| 6407023 | Cristobalite-free mullite grain having reduced reactivity to molten aluminum and method of producing the same A method of making a cristobalite-free, mullite grain capable of withstanding reaction with molten aluminum, comprising the steps of: producing a clay slurry comprised of water and kaolin clay of a specific particle size; mixing a water insoluble barium o... | 06/18/2002 |
| 6399690 | LAYERED COMPOSITIONS WITH MULTI-CHARGED ONIUM IONS AS EXCHANGE CATIONS, AND THEIR APPLICATION TO PREPARE MONOMER, OLIGOMER, AND POLYMER INTERCALATES AND NANOCOMPOSITES PREPARED WITH THE LAYERED COMPOSITIONS OF THE INTERCALATES Intercalated layered materials prepared by co-intercalation of a multi-charged onium ion spacing/coupling agent and a matrix polymer between the planar layers of a swellable layered material, such as a phyllosilicate, preferably a smectite clay. The spaci... | 06/04/2002 |
| 6358312 | Sports field soil conditioner Porous calcined clay sports field conditioners exhibit excellent playability while also displaying excellent drainage, freedom from compaction, and moisture retention under hot, dry conditions. The conditioners are non-hydrating granulates of narrow parti... | 03/19/2002 |
