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Compositions: ceramic November recently filed with US Patent Office 11/09

20090291820 - Lithium silicate materails: Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.... Agent: Bond, Schoeneck & King, PLLC

20090291821 - Sodium-potassium hexametaphosphate and potassium metaphosphate with a low insolubles content: Potassium-containing polyphosphate glasses having a relatively high amount of potassium and a relatively low level of insoluble material (e.g., less than about 10% by weight), and a method for their production that includes using a boron-containing glass-former additive. More specifically, these polyphosphate glasses may be described according to the formula... Agent: Thompson Coburn LLP

20090291822 - Lead-free sealing material: A lead-free sealing material is provided, which contains a glass with a composition including 47.5-67.5 mole % SnO, 2.5-15 mole % MgO, and 30-40 mole % P2O5. The lead-free sealing material has excellent chemical durability, low melting temperature, and good flowability during heating. The lead-free material is particularly suitable to... Agent: Jianq Chyun Intellectual Property Office

20090286664 - Non-contaminating, electro-chemically stable glass frit sealing materials and seals and devices using such sealing materials: A solid oxide fuel cell device includes layers of solid electrolyte, cathode plates, anode plates, a frame and a non-contaminating, electrochemically stable sealing material. The sealing material may have a CTE of about 95×10−7/° C. to about 115×10−7/° C. The sealing material may include from about 65 wt % to... Agent: Corning Incorporated

20090286665 - Method of manufacture of particles with controlled dimensions: A process for the preparation of particles with controlled dimensions comprising the steps of: (i) providing a laminar substrate having a patterned surface comprising a micro-relief repeat pattern comprising one or more discrete cells, each cell consisting of a floor portion and walls having a height (Hw); (ii) depositing organic... Agent: Knobbe Martens Olson & Bear LLP

20090286666 - Lanthanum oxide-doped glass-ceramics: Glass-ceramic compositions exhibiting high reliability and tensile strength are described. The compositions can include crystal phases including roedderite and/or potassium fluorrichterite. The glass-ceramic compositions are bioactive, and can be used as components of a wide variety of biomedical devices such as dental restorations.... Agent: Calfee Halter & Griswold, LLP

20090286667 - Optically detectable, floatable arsenic-and antimony-free, glazable lithium-aluminosilicate glass: An optically detectable, floatable arsenic- and antimony-free, glazable lithium-aluminosilicate glass that can be prestressed and the glass ceramic converted therefrom are described. The glass or the glass ceramic has a composition (in % by weight based on oxide) of essentially SiO2 55-69, Al2O3 19-25, Li2O 3.2-5, Na2O 0-1.5, K2O 0-1.5,... Agent: Millen, White, Zelano & Branigan, P.C.

20090286668 - Refractory brick: A refractory brick having durability equal to alumina-magnesia castable materials, which is especially suitable for a ladle for steel making is provided. A refractory brick prepared by using an alumina raw material and a magnesia raw material containing 90% by mass or more of a fine powder of not more... Agent: Sughrue-265550

20090286669 - Ceramic material, compositions and methods for manufacture thereof: The present invention relates to a method of producing a ceramic material comprising the steps of: a) mixing a first clay composition comprising silica and a silicate mineral with a second clay composition; and b) firing the mixed clay composition from step a) to form a ceramic product. The present... Agent: Merchant & Gould PC

20090275460 - Optical glass: An optical glass having optical constants of a refractive index (nd) within a range from 1.50 to 1.65 and an Abbe number (ν d) within a range from 50 to 65 and a glass transition temperature (Tg) of 400° C. or below wherein the shortest wavelength (λ 80) at which... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090275461 - Glass composition for dye-sensitized solar cell and material for dye-sensitized solar cell: A dye-sensitized solar cell having high long-term reliability is provided by inventing a glass composition, which is hardly eroded by an iodine electrolyte solution and has a low-melting point property, and a material using the glass composition. The glass composition for a dye-sensitized solar cell of the present invention is... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090275462 - Glass substrate for solar cell: The glass substrate for a solar cell of the present invention is characterized by having a glass composition including, in terms of mass %, 50 to 80% of SiO2, 5 to 20% of Al2O3, 0 to 20% of B2O3, 0 to 20% of MgO, 0 to 20% of CaO, 0... Agent: Wenderoth, Lind & Ponack, L.L.P.