Peter G Schultz, Xiaodong Xiang, Isy Goldwasser: Giant magnetoresistive cobalt oxide compounds. Symyx Technologies, The Regents of the University of California, Townsend & Townsend & Crew, July 7, 1998: US05776359 (154 worldwide citation)

Methods and apparatus for the preparation and use of a substrate having an array of diverse materials in predefined regions thereon. A substrate having an array of diverse materials thereon is generally prepared by delivering components of materials to predefined regions on a substrate, and simultan ...

Wendelin J Stark, Lutz M├Ądler, Sotiris E Pratsinis: Flame made metal oxides. Eidgenossische Technische Hochschule Zurich, Cooper & Dunham, May 1, 2007: US07211236 (79 worldwide citation)

Described is a method for the production of metal oxides by flame spray pyrolysis, in particular mixed metal oxides such as ceria/zirconia, and metal oxides obtainable by said method. Due to high enthalpy solvents with a high carboxylic acid content said metal oxides have improved properties. For ex ...

Sudo Nobuyuki, Terajima Kenji, Furukawa Chisato: Semiconductor light-emitting device. Toshiba Electronic Engineering, Toshiba, June 30, 2000: JP2000-183408 (69 worldwide citation)

PROBLEM TO BE SOLVED: To obtain white light for stabilizing chromaticity with simple constitution in a semiconductor light-emitting device, such as an LED lamp.SOLUTION: An LED chip 1 capable of emitting ultraviolet light is used. The chip 1 is fixed on a lead frame 2 and connected to the frame 2 by ...

Efim T Goldburt, Rameshwar N Bhargava, Bharati S Kulkarni: Method for producing rare earth activited metal oxide nanocrystals. Nanocrystals Technology, William L Botjer, June 10, 1997: US05637258 (68 worldwide citation)

A process for the production of metal oxide nanocrystalline phosphors activated with a rare earth, line emitting, element. The nanocrystal oxides are produced by a sol-gel like process. The process begins with an n-butoxide solution of the host and activator which is first subject to acetolysis whic ...

Kawahara Masayoshi, Gen Kogun, Watanabe Akira, Fukui Takehisa, Noshiro Kiyoshi: Method and apparatus for manufacturing fine particles. Hosokawa Funtai Gijutsu Kenkyusho, August 18, 2005: JP2005-218937 (55 worldwide citation)

PROBLEM TO BE SOLVED: To provide a fine particle manufacturing method capable of reducing the size of fine particles to be manufactured.SOLUTION: A raw material gas stream ET containing a raw material of fine particles and a reactive gas flow GR for covering the raw material gas stream ET are allowe ...

Michael J Therien, Stephen G DiMagno: Substituted porphyrins, porphyrin-containing polymers, and synthetic methods therefor. The Trustees of the University of Pennsylvania, Woodcock Washburn Kurtz Mackiewicz & Norris, December 6, 1994: US05371199 (49 worldwide citation)

Porphyrins substituted with, for example, vinyl and acetylene groups are provided, along with polymers containing the same. In preferred embodiments, the substituted porphyrins are prepared by coupling halogenated porphyrins with carbon-centered anionic groups via metal-mediated crosscoupling reacti ...

Chien M Wai: Methods and devices for the separation of radioactive rare earth metal isotopes from their alkaline earth metal precursors. Idaho Research Foundation, Leydig Voit & Mayer, July 6, 1993: US05225173 (49 worldwide citation)

Methods and devices for the separation of a radioactive rare earth metal isotopes or a radioactive isotope of yttrium or scandium from their alkaline earth metal precursors with ionizable dibenzo ether derivatives.

Thierry Chopin, Gabriel Vilmin: Zirconium/cerium mixed oxide catalyst/catalyst support compositions having high/stable specific surfaces. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis L, March 4, 1997: US05607892 (47 worldwide citation)

Zirconium/cerium mixed oxides (optionally including thermally stabilizing dopant values), comprising solid solutions thereof, having contents of zirconium of up to 99% by weight, and having high specific surface areas, are well suited as catalysts and/or catalyst supports, notably for the treatment/ ...

Jiun Fang Wang: Oxide particles and method for producing them. Rodel, Kenneth A Benson, February 14, 1995: US05389352 (47 worldwide citation)

The invention is a process for preparing chemically active solid oxide particles useful for polishing, composed primarily of CeO.sub.2, or CeO.sub.2 together with other oxides, comprising: (a) forming an aqueous solution comprised of a water soluble trivalent cerium salt and an oxidizing agent and ( ...

John J deBarbadillo II, Gaylord D Smith: Production of oxidic superconductors by zone oxidation of a precursor alloy. Inco Alloys International, Francis J Mulligan Jr, Edward A Steen, October 9, 1990: US04962085 (46 worldwide citation)

Discloses a process for producing oxidic superconductors having advantageously textured oxide structures which involves zone oxidizing elongated metallic precursors of the superconductors.