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| Number | Title | Issue Date |
| 7497903 | Micronized perlite filler product Micronized perlite filler product, methods of producing the micronized expanded perlite products, and methods of use thereof are provided. The micronized expanded perlite product has, for example, a small median particle size (for example, less than 11 microns), a h... | 03/03/2009 |
| 7371359 | Non-aqueous borate routes to boron nitride A non-aqueous route and process for preparation of boron nitride utilizing aerosol assisted vapor phase synthesis (AAVS) wherein boron precursors are nitrided in one or two heating steps, and wherein a boron oxide nitride carbide intermediary composition is formed a... | 05/13/2008 |
| 7261926 | Solventborne coating substance that can be cured physically, thermally or thermally and by using actinic radiation and use thereof A solventborne coating material curable physically, thermally, or thermally and with actinic radiation, comprising A) at least one binder curable physically, thermally, or thermally and with actinic radiation, B) a... | 08/28/2007 |
| 7247376 | Powder containing Fe-Ni nano-particles and its manufacturing method A powder containing Fe—Ni nano-particles and a method for manufacturing the powder, wherein the powder containing Fe—Ni nano-particles includes a carrier and Fe—Ni nano-particles. The carrier is a ceramic particle with size of about micro-meter (μm). Fe and N... | 07/24/2007 |
| 7238744 | Ultrahigh molecular weight polyethylene articles and method of manufacture An article of manufacture comprises an ultrahigh molecular weight polyethylene (UHMWPE) mixed with a processing oil and a lubricant selected from the group consisting of fatty acid esters, ethoxylated fatty acid esters, glycol esters, PEG esters, glycerol esters, et... | 07/03/2007 |
| 7220454 | Production method of high strength polycrystalline ceramic spheres A method for making hollow spheres of alumina or aluminate comprises: coating polymeric beads with an aqueous solution of an alumoxane, drying the beads so as to form an alumoxane coating on the beads; heating the beads to a first temperature that is sufficient to c... | 05/22/2007 |
| 7192542 | Oil absorbing composition and process The present invention relates to a hollow sphere polymer composition suitable for absorbing active ingredients including oily substances and hydrophobic materials. A process for encapsulating one or more active ingredients using hollow sphere polymers is described. | 03/20/2007 |
| 7192644 | Non-aqueous borate routes to boron nitride A non-aqueous route and process for preparation of boron nitride utilizing aerosol assisted vapor phase synthesis (AAVS) wherein boron precursors are nitrided in one or two heating steps, and wherein a boron oxide nitride carbide intermediary composition is formed a... | 03/20/2007 |
| 7186768 | Silane-modified oxidic or siliceous filler, process for its production and its use Silane-modified oxidic or siliceous filler with a bead fraction below 75 μm of less than 15 wt. % and a median particle size distribution between of 150 to 500 μm, which is produced by the reaction of at least one microbeaded or microgranular, oxidic or siliceous ... | 03/06/2007 |
| 7105230 | Composite material based on polyamide and submicronic mineral particles The invention relates to a composite material comprising a polyamide matrix and mineral fillers of submicron size. The filler used comprises at least one core and a surface layer for modifying its dispersibility in the matrix or in the medium for synthesizing the ma... | 09/12/2006 |
| 7067460 | Organofunctional compounds for shale stabilization of the aqueous dispersed phase of non-aqueous based invert emulsion drilling system fluids Invert emulsion drilling system fluids comprising an oleaginous continuous phase and a non-oleaginous dispersed phase, the dispersed phase comprising organofunctional compound(s) effective to provide shale inhibition. The organofunctional compound(s) may be used eit... | 06/27/2006 |
| 6994794 | Media with germicidal properties Filtration media having germicidal for use in filtering particles and deactivating, removing and/or destroying microorganisms from a feed liquid passing through the media. The filtration media includes an effective amount of at least one germicidal agent associated ... | 02/07/2006 |
| 6979703 | Acoustically matching layer and composition thereof It is an object of the present invention to provide a composition for an acoustically matching layer, having sufficient mechanical strength to allow itself to be easily formed, and capable of giving an acoustically matching layer highly stable in characteristics ove... | 12/27/2005 |
| 6930135 | Non-pigmented ink jet inks A non-pigmented ink composition suitable for use in ink jet printing is provided made up of a blend of two or more hollow micro-spheres comprising a small particle size hollow micro-sphere and a larger particle size hollow micro-sphere. The remainder of the ink comp... | 08/16/2005 |
| 6808808 | Coating composition containing surface treated clay mixture, the surface treated clay mixture used therefor, and methods of their use A coating composition and a pigment comprising a surface-treated clay mixture used therein, and, optionally, microspheres, in which the coating composition comprises a curable or hardenable resin system into which is dispersed the pigment. High build, corrosion resi... | 10/26/2004 |
| 6712898 | Perlite products with controlled particle size distribution Expanded perlite products having controlled particle size distribution, methods of producing the expanded perlite products, and methods of use thereof are provided. The expanded perlite product has, for example, a low ratio of standard deviation of particle size dis... | 03/30/2004 |
| 6479146 | Fabrication of multilayer-coated particles and hollow shells via electrostatic self-assembly of nanocomposite multilayers on decomposable colloidal templates The invention refers to a new process for preparing coated particles and hollow shells by coating colloidal particles with alternating layers of oppositely charged nanoparticles and polyelectrolytes and optionally removing the colloidal cores.... | 11/12/2002 |
| 6464770 | Perlite products with controlled particle size distribution Expanded perlite products having controlled particle size distribution, methods of producing the expanded perlite products, and methods of use thereof are provided. The expanded perlite product has, for example, a low ratio of standard deviation of partic... | 10/15/2002 |
| 6221326 | Method for preparing hollow silica particles A method for preparing hollow particles comprising a dense silica shell, by precipitating active silica from an aqueous alkaline metal silicate on a core constituted in a material other than silica and by eliminating the material without destroying the si... | 04/24/2001 |
| 6103003 | Textured coating and method of applying same A textured coating and method of applying same. The coating comprises a high-solids polyamide epoxy having a resin and a hardener, and the epoxy is mixed with a texture aggregate filler being selected from the group consisting of perlite, glass microballo... | 08/15/2000 |
| 6077392 | Text and cover printing paper and process for making the same A printing paper is provided having the appearance of uncoated paper and improved printability properties approaching those of coated papers. Also provided are a surface treatment formulation having a variable viscosity and a method for producing a printi... | 06/20/2000 |
| 6074475 | Thermosetting syntactic foams and their preparation A low-density, syntactic foam material is provided according to the invention. The syntactic foam material is prepared by mixing together a plurality of microballoons and a finely divided solid thermosetting resin. Fibers are also preferably incorporated ... | 06/13/2000 |
| 6074528 | Text and cover printing paper and process for making the same A printing paper is provided having the appearance of uncoated paper and improved printability properties approaching those of coated papers. Also provided are a surface treatment formulation having a variable viscosity and a method for producing a printi... | 06/13/2000 |
| 5759253 | Lightweight aggregate and process for its production A lightweight aggregate and a process and apparatus by which FCC, petroleum equilibrium fluid-cracking catalyst, a by-product of the oil refinery industry, can be added to the feedstock materials fed into the feed end of a rotary lightweight aggregate kil... | 06/02/1998 |
| 5612385 | Aerated fibrous foam compositions Novel aerated fibrous slurry comprising fibrous material, foaming agent, stabilizer, water and gas, which when dried to a water content of not more than 10% by weight, forms a dry, resilient fibrous foam composition. The dry, resilient fibrous foam compos... | 03/18/1997 |
| 5583171 | Microporous material exhibiting low alkali metal content Microporous material comprising water insoluble thermoplastic organic polymer and particulate amorphous precipitated silica not only exhibits low particulate emissions during handling and use, but also has a low extactable alkali metal content. Microporou... | 12/10/1996 |
| 5578119 | Moldable sculpting medium A sculpting medium is provided comprising a filler of polymeric microspheres and optionally, a fibrous filler, a thixotropic hydrogel binder and water, all blended in a proportion such that the color of the medium is due primarily to the color(s) of the p... | 11/26/1996 |
| 5554216 | High gloss durable TiO2 pigment A coated TiO2 pigment is disclosed with coatings of porous alumina and dense alumina, such dense alumina being formed in the presence of soluble molybdate.... | 09/10/1996 |
| 5512094 | Metal oxide coated silica shells The present invention discloses a novel high surface area powder composition in which the individual powder particles comprise hollow silica shells, e.g., amorphous hydroxylated silica, coated with finely distributed surface accessible metal oxides. The i... | 04/30/1996 |
| 5492870 | Hollow ceramic microspheres by sol-gel dehydration with improved control over size and morphology Hollow microspheres of ceramic material are formed by a sol-gel technique involving forming and stabilizing an emulsion of an aqueous sol of the ceramic material in an organic phase, followed by dehydration of the stabilized emulsion droplets by extractio... | 02/20/1996 |
| 5472498 | Lightweight concrete A lightweight aggregate comprising free-flowing particles of a polymer foam coated with a binding agent having dispersed therein, in total, at least 10% by weight thereof of one or more transition metal ions.... | 12/05/1995 |
| 5342442 | Lightweight aggregate from flyash and sewage sludge A method is shown for producing a lightweight aggregate by treating flyash and sewage sludge. The flyash and sewage sludge are mixed together and then agglomerated into pellets, with or without the use of a binder. The pellets may be coated and then are d... | 08/30/1994 |
| 5326391 | Microporous material exhibiting increased whiteness retention The tendency of microporous material to discolor over a period of time when exposed to the atmosphere during normal usage can be reduced if the microporous material comprises whiteness retaining organic surface active agent.... | 07/05/1994 |
| 5273824 | Cored multi-shell emulsion particle A cored multi-shell emulsion particle consisting of a core particle, a void layer existing in the exterior of the core particle and a shell layer, each of which has a diameter of $c;, d and D, respectively, and the ratio of $c;, d and D is in the fo... | 12/28/1993 |
| 5108508 | Rutile mixed phase pigment microgranulates, a process for their preparation and their use Novel rutile mixed phase pigment microgranulates are disclosed which comprise hemispherical particles indented to form toroid-shaped beads. The microgranulates are free-flowing, non-dust forming, and are stable in handling.... | 04/28/1992 |
| 5049442 | Opalescent coatings containing foamed metal oxides Novel opalescent coatings are disclosed containing foamed metal oxides. The foamed metal oxides impart a unique opalescence to the coatings, result in more natural hues, softer colors and minimal color travel.... | 09/17/1991 |
| 5030284 | Alumina-silica-sulfate compositions An alumina-silica-sulfate of the formula xR:Al2 O3 :ySiO2 :zSO4.pH.sub.2 O wherein R is an alkali or alkaline earth metal oxide, a transition metal capable of forming a sulfate salt or mixtures thereof, x is about 0.001 t... | 07/09/1991 |
| 5024826 | Silica particulate composition A silica powder composition in which the individual powder particles comprise shaped hollow shells of amorphous hydroxylated silica having a shell thickness of from 10 to 50 nanometers.... | 06/18/1991 |
| 5002696 | Expanded mineral particles and apparatus and method of production A non-porous, substantially hollow, expanded mineral product, such as expanded perlite, is produced by uniformly and indirectly heating ore for about 1 to 30 seconds in an expansion chamber maintained at about 1400° F.-2100° F. to produce uncoated parti... | 03/26/1991 |
| 4793729 | Process of making material for and constructing a road A process of making materials for road construction and other purposes includes separating water from oil well drilling mud or other waste material sludge to form a partially dried sludge. The partially dried sludge is subjected to heat to further dry the... | 12/27/1988 |
