...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.
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| Number | Title | Issue Date |
| 8168711 | Heat shielding additives Polymer dispersions of powders based on tungsten hydrogen bronze, especially containing a minor amount of tungsten metal, show good IR absorbing and heat shielding properties. The powders may be obtained by contacting an ammonium tungstate with hydrogen at a tempera... | 05/01/2012 |
| 8101680 | Methods of preparing polymer nanocomposites Methods of forming nanocomposites comprising a polymer and metal nanoparticles are disclosed. The nanoparticles are disposed within a matrix of the polymer. In particular, the nanoparticles are formed in situ in an extruder. The methods comprise providing a reaction... | 01/24/2012 |
| 8030388 | Vibration-damping material Provided is a vibration damping material, which includes a resin composition obtained by dispersing titanium dioxide (Y) and a mica flake (Z) in a polyester resin (X) containing dicarboxylic acid constitutional units an diol constitutional units, in which: (1) in th... | 10/04/2011 |
| 7968639 | Polyvinyl acetal powder and powder coating material using the same The present invention provides a polyvinyl acetal powder which is excellent in flowability during the coating process when it is applied to a powder coating material. This polyvinyl acetal powder enables to obtain a coating film having good impact resistance and uni... | 06/28/2011 |
| 7935753 | Surface treated pigment Surface treated inorganic oxide pigments are provided wherein one or more of the ethylene glycol esters and diesters are applied to the surface of a base inorganic oxide pigment, for example, an anatase titanium dioxide pigment from the calciner of a conventional su... | 05/03/2011 |
| 7923500 | Nanocomposites with controlled electrical properties A field grading material includes a field grading effective amount of a nanoparticle filler distributed in a polymeric matrix, and the nanoparticle filler is heterogeneously distributed in the polymeric matrix. ... | 04/12/2011 |
| 7884149 | Nanostructured dielectric composite materials A nanocomposite material suitable for electrical insulation includes a polymer compounded with a substantially homogeneously distributed functionalized nanoparticle filler. The nanocomposite material is produced by compounding the polymer with the functionalized nan... | 02/08/2011 |
| 7875667 | Long-fiber reinforced polyolefin composition Disclosed are a long-fiber reinforced and colored molded article having desirable physical properties such as superior impact strength, tensile strength, and flexural strength as well as superior heat-resistance, a long-fiber reinforced polyolefin composition for pr... | 01/25/2011 |
| 7868079 | Field grading material A field grading material including a polymeric matrix provided with a filler. The filler includes a field grading effective amount of particles having at least one dimension smaller than or equal to 100 nm. A device including the field grading material for grading a... | 01/11/2011 |
| 7847004 | Method for producing aqueous composite particle dispersions A process for preparing an aqueous dispersion of particles composed of addition polymer and finely divided inorganic solid (composite particles), in which process ethylenically unsaturated monomers are dispersely distributed in aqueous medium and polymerized by the ... | 12/07/2010 |
| 7776948 | Composite counterweight and method of making same A composite material comprises a particulate material generated as a waste by-product of an industrial process, and a binder for binding the particulate material into a uniform mass. The particulate material and binder are combined in preselected proportions and com... | 08/17/2010 |
| 7678854 | Long-fiber reinforced polyolefin composition Disclosed are a long-fiber reinforced and colored molded article having desirable physical properties such as superior impact strength, tensile strength, and flexural strength as well as superior heat-resistance, a long-fiber reinforced polyolefin composition for pr... | 03/16/2010 |
| 7652088 | Organic-inorganic composite material and method for producing the same An organic-inorganic composite material is disclosed wherein an inorganic compound is finely dispersed in an organic polymer matrix in nanometer order and the inorganic compound content is large. The organic-inorganic composite material has formability and flexibili... | 01/26/2010 |
| 7638571 | Particulate chromatic resin composition A particulate chromatic resin composition comprises an unused thermoplastic resin component, a chromatic pigment and a white pigment, or a particulate white resin composition comprises an unused thermoplastic resin component, a white pigment and a black pigment, in ... | 12/29/2009 |
| 7629403 | Organic dispersions of inorganic particles and coating compositions containing them The present invention provides a method of preparing an organosol of inorganic particles, comprising mixing an aqueous dispersion or sol of inorganic particles with an organic liquid and a polymer or oligomer having functionality that adsorbs onto the inorganic part... | 12/08/2009 |
| 7531592 | Use of mixtures based on Pt and on compounds based on transition metals other than Pt, for enhancing the arc-resistance properties of silicone elastomers The invention concerns the use as additive for improving properties of resistance to arc tracking and arc erosion: of a mixture A, B or C formed by: concerning mixture A: A1: platinum; and A2: at least an inorganic compound A2.1 of a metal with several degrees of ox... | 05/12/2009 |
| 7446142 | Thermal coating materials and coating materials that can be cured thermally and using actinic radiation and the use thereof Coating materials curable thermally, or thermally and with actinic radiation, comprising (A) binder selected from the group consisting of random, alternating and block, linear, branched and comb polyaddition resins, polycondensation resins, and addition... | 11/04/2008 |
| 7435771 | Stable antifouling paint composition containing metal salt of pyrithione and cuprous oxide The present invention describes a composition for stabilizing a paint or paint base composition against viscosity change, gelation and agglomeration during formulation and storage. Illustratively, an antifouling paint or paint base composition is disclosed that cont... | 10/14/2008 |
| 7431862 | Synthesis of magnetic, dielectric or phosphorescent NANO composites A method of forming nano composites within a polymer structure comprises exposing a wettable polymer having ion-exchangeable groups pendant therefrom to an aqueous solution of a soluble salt containing metal ions, the metal ions replacing, by ion exchange, the penda... | 10/07/2008 |
| 7427430 | Polyamide blend composition having excellent gas barrier performance High gas barrier, delamination-resistant polyamide compositions suitable for extended shelf-life packaging applications are provided. Also provided are polyamide compositions exhibiting high oxygen scavenging capability. The polyamide compositions comprise mXDA-IPA ... | 09/23/2008 |
| 7417078 | Electromagnetic wave absorbing thermally conductive composition and thermosoftening electromagnetic wave absorbing heat dissipation sheet and method of heat dissipation work An electromagnetic wave absorbing heat conductive composition is used to form an electromagnetic wave absorbing heat dissipating article that is placed between a heat generating electronic component which, when operated, generates heat, reaches a temperature higher ... | 08/26/2008 |
| 7410536 | Oxidation-stable iron oxide pigments, process for preparing them and their use The present invention relates to oxidation-stable iron oxide pigments which have a coating of at least one organic substance, to their preparation and to their use. ... | 08/12/2008 |
| 7396587 | Black film comprised of thermoplastic polyester This invention relates to a single- or multilayer, oriented film formed from polyester and at least one inorganic black pigment. The inventive films include at least one layer which has, alongside polyester, an amount of from 0.5 to 75% by weight of particles incorp... | 07/08/2008 |
| 7393571 | Formulation suitable for ink receptive coatings Formulations comprising novel porous metal oxide particles and binder are particularly suitable for ink receptive coatings, e.g., for ink jet papers and films. The metal oxide particles used in this application have a porous structure that differs significantly from... | 07/01/2008 |
| 7384999 | Powdery pigment preparations for dyeing films The invention relates to a powdery pigment preparation containing a pigment which is dispersed in an acrylate resin and which is characterized in that the acrylate resin has an average molecular mass Mw ranging from 40000 to 80000 g/mol and is a copolymer comprised ... | 06/10/2008 |
| 7378035 | Ionic material The present invention relates to a material containing ionic groups that form an ionic pair with a free radical catalyst. In particular, the invention relates to materials that are magnetic, and to the methods of forming such materials. For example, a method of form... | 05/27/2008 |
| 7364807 | Thermal barrier coating/environmental barrier coating system for a ceramic-matrix composite (CMC) article to improve high temperature capability In accordance with an embodiment of the invention, an article is provided. The article comprises a substrate comprised of silicon containing material, an environmental barrier coating (EBC) overlying the substrate and a thermal barrier coating (TBC) on the environme... | 04/29/2008 |
| 7354968 | Thermoplastic resin composition The present invention provides a thermoplastic resin composition having a high specific gravity, flexibility and excellent processability that can be used as a material for forming various articles requiring both massiveness and flexibility. This thermoplastic resin... | 04/08/2008 |
| 7351477 | Antifouling coating compositions and coated articles An antifouling coating composition is provided comprising an organosilicon compound having a one end-blocked diorganopolysiloxane group and a condensation-curable silyl group in a common molecule, and optionally a heat-curable compound. The composition is applied an... | 04/01/2008 |
| 7348374 | Induction cured powder coatings for temperature sensitive substrates According to the present invention, powder coating compositions comprise one or more than one thermoplastic or thermosetting polymer or resin and one or more than one finely divided magnetic material, such as a ferromagnetic material. Preferred magnetic materials in... | 03/25/2008 |
| 7338573 | Magnetic substrates with high magnetic loading A method of forming a magnetic assembly having at least one magnetic layer having dimensions of thickness, width and length, and at least one printable substrate layer having dimensions of thickness, width and length, including the steps of providing a molten magnet... | 03/04/2008 |
| 7338619 | Resin member and method of manufacturing the same A fuel cap 10 maintains high sealing even when subjected to external force; is easy to operate; and requires minimal space for accommodation. The cap device comprises a casing body 20 for closing the filler opening FNb in a sealed condition, a cover | 03/04/2008 |
| 7332216 | Film-reinforced glasses The present invention provides a film-reinforced glass, which has excellent impact resistance, penetration resistance and durability and which can be easily prepared. The constitution of the glass consists of one glass plate and a film comprising an organic polymer ... | 02/19/2008 |
| 7329703 | Polymerized macrocyclic oligomer nanocomposite compositions The invention relates to polymers derived from macrocyclic oligomers containing organo clay fillers comprising a) a polymer derived from a macrocyclic oligomer; b) clay platelets; and c) the residue of one or more onium compounds having at least one ligand with a C | 02/12/2008 |
| 7309756 | Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters Macrocyclic oligoesters and compositions comprising macrocyclic oligoesters are prepared from intermediate molecular weight polyesters. In one embodiment, a diol is contacted with a dicarboxylic acid or a dicarboxylate in the presence of a catalyst to produce a comp... | 12/18/2007 |
| 7309727 | Conductive thermoplastic compositions, methods of manufacture and articles derived from such compositions Disclosed herein is an electrically conductive precursor composition comprising an organic polymer precursor; a single wall nanotube composition, wherein the single wall nanotube composition contains at least 0.1 wt % of production related impurities; and an optiona... | 12/18/2007 |
| 7309731 | Ink-receptive coatings, composites and adhesive-containing facestocks and labels This invention relates to ink-receptive coating compositions and to articles containing a layer formed from such coating compositions. In one embodiment, the articles comprise a polymer film substrate and an ink-receptive layer on the upper surface of the polymer fi... | 12/18/2007 |
| 7303810 | Fire-resistant architectural resin materials A synthetic fire-resistant resin includes one or more of a polycarbonate resin material, and/or a polyester resin material mixed with a flame-retardant, such as a bis-diphenyldiphosphate flame-retardant. Alternatively, a mixture of polycarbonate resin material mixed... | 12/04/2007 |
| 7297731 | Coating dispersions for optical fibers A cured coating for a siliceous material, preferably an optical fiber, comprises a thermally cured polyorganosilsesquioxane having an oxide powder dispersed therein. The oxide powder has a refractive index from about 1.2 to about 2.7 and includes particles having a ... | 11/20/2007 |
| 7294191 | Pure-coloured, readily dispersible iron oxide red pigments with high grinding stability The present invention relates to pure-coloured, readily dispersible iron oxide red pigments having high grinding stability, to a process for preparing them, and to their use. ... | 11/13/2007 |