1
Ralph A Dalla Betta, Fabio H Ribeiro, Toru Shoji, Kazunori Tsurumi, Nobuyasu Ezawa, Sarento G Nickolas: Catalyst structure having integral heat exchange. Catalytica, Tanaka Kikinzoku Kogyo, Morrison & Foerster, October 5, 1993: US05250489 (80 worldwide citation)

This invention is a catalyst structure having integral heat exchange surfaces and a method for using the structure in highly exothermic processes, such as a combustion process, while maintaining the catalyst and the structure wall at a temperature below the adiabatic combustion temperature.


2
Ralph A Dalla Betta, Kazunori Tsurumi, Nobuyasu Ezawa: Multistage process for combusting fuel mixtures. Catalytica, Tanaka Kikinzoku Kogyo, Morrison & Foerster, January 25, 1994: US05281128 (68 worldwide citation)

This invention is a combustion process having a series of stages in which the fuel is stepwise combusted using specific catalysts and catalytic structures and, optionally, a final homogeneous combustion zone. The choice of catalysts and the use of specific structures, including those employing integ ...


3
Ralph A Dalla Betta, Kazunori Tsurumi, Nobuyasu Ezawa: Multistage process for combusting fuel mixtures using oxide catalysts in the hot stage. Catalytica, Tanaka Kikinzoku Kogyo, Morrison & Foerster, August 3, 1993: US05232357 (62 worldwide citation)

This invention is a combustion process having a series of stages in which the fuel is combusted stepwise using specific catalysts (desirably palladium-bearing catalysts in the first two zones and metal and oxygen-bearing catalysts in the hot catalytic zone) and catalytic structures and, optionally, ...


4
Ralph A Dalla Betta, Nobuyasu Ezawa, Kazunori Tsurumi, James C Schlatter, Sarento G Nickolas: Two stage process for combusting fuel mixtures. Catalytica, Tanaka Kikinzoku Kogyo, Morrison & Foerster, February 2, 1993: US05183401 (59 worldwide citation)

This invention is a comparatively high pressure combustion process having a two stages in which a fuel is stepwise combusted using specific catalysts and catalytic structures and, optionally, having a final homogeneous combustion zone. The choice of catalysts and the use of specific structures, incl ...


5
Ralph A Dalla Betta, Toru Shoji, Kazunori Tsurumi, Nobuyasu Ezawa: Catalyst structure for use in a partial combustion process. Catalytica, Tanaka Kikinzoku Kogyo, Morrison & Foerster, April 30, 1996: US05511972 (56 worldwide citation)

This invention is both a partial combustion process in which the fuel is partially combusted using specific catalysts and catalytic structures and also a catalyst structure for use in the process. The choice of catalysts and supports solves problems in the art dealing with the stability of the overa ...


6
Ralph A Dalla Betta, Toru Shoji, Kazunori Tsurumi, Nobuyasu Ezawa: Partial combustion process and a catalyst structure for use in the process. Catalytica, Tanaka Kikinzoku Kogyo, Morrison & Foerster, July 5, 1994: US05326253 (46 worldwide citation)

This invention is both a partial combustion process in which the fuel is partially combusted using specific catalysts and catalytic structures and also a catalyst structure for use in the process. The choice of catalysts and supports solves problems in the art dealing with the stability of the overa ...


7
Kazunori Tsurumi, Nobuyasu Ezawa, Ralph A Dalla Betta: Process for burning combustible mixtures. Catalytica, Tanaka Kikinzoku Kogyo, Morrison & Foerster, June 20, 1995: US05425632 (45 worldwide citation)

This invention is a process for catalytically burning a combustible mixture of a fuel and an oxygen-containing gas. In particular, the invention is a process for producing a combustion gas at a selected temperature, preferably between 1050.degree. C. and 1700.degree. C., by introducing all of the fu ...


8
Mamoru Hirako, Nobuyasu Ezawa: Process for refining gold and apparatus employed therefor. Tanaka Kikinzoku Kogyo, Klauber & Jackson, August 22, 1989: US04859293 (8 worldwide citation)

Disclosed are processes and an apparatus for refining gold. One of the processes comprises dissolving unrefined gold by use of iodine and/or an iodide compound to form a solution containing an iodide compound of gold, removing insoluble substances in the solution, reducing the ions containing the go ...


9
Nobuyasu Ezawa, Hiroshi Inoue, Shoei Takada, Hitoshi Masuda: Process of recovering platinum group metal. Tanaka Kikinzoku Kogyo, Dowa Mining, Kosaka Smelting & Refining, Sughrue Mion Zinn Macpeak & Seas, October 12, 1993: US05252305 (6 worldwide citation)

A process of recovering a platinum group metal from a waste catalyst comprising a first step which comprises heating and melting the catalyst impregnated with the platinum group metal, copper and/or the oxide of copper, a flux component and a reductant component to form a layer containing the metal ...


10
Nobutaka Goto, Nobuyasu Ezawa: Electrolytic cell employing fluidized bed. Chlorine Engineers, Kuhn Muller and Bazerman, December 2, 1986: US04626331 (5 worldwide citation)

In an electrolytic cell of the type which includes a cylindrical electrolytic cell main body divided into a main electrode chamber and an auxiliary electrode chamber by a diaphragm, and having main electrode particles in the main electrode chamber, which are maintained in the fluidized state by an e ...