41
Ian Swift, Hans K Fauske: Micro-scale chemical process simulation methods and apparatus useful for design of full scale processes, emergency relief systems and associated equipment. Fike Corporation, Schmidt Johnson Hovey & Williams, June 2, 1987: US04670404 (39 worldwide citation)

Micro-scale chemical process simulation apparatus is disclosed which is useful for design of full-scale processes and associated equipment as well as emergency relief systems. A thin-walled vessel for receiving a quantity of the material to be evaluated is supportd within and thermally insulated fro ...


42
Enoch I Wang, Lifun Lin, William L Bowden: Process for producing manganese dioxide. Duracell, Ronald S Cornell, James B McVeigh, Barry D Josephs, January 11, 1994: US05277890 (38 worldwide citation)

The invention relates to the manufacture of manganese dioxide by a chemical process. The resulting manganese dioxide product takes the form of particles characterized by filament-like protrusions jutting out from its surface. The manganese dioxide particles having such surface features can be manufa ...


43
Tetsuo Koyanagi, Hiroshi Yamaguchi, Ichio Yokota, Naofumi Mitsumune, Koichi Tange: Treatment method of semiconductor wafers and the like and treatment system for the same. Ses, Darby & Darby, September 14, 1999: US05951779 (37 worldwide citation)

A treatment method of semiconductor wafers and the like, for carrying out step by step in a sealed container, a series of processes comprising chemical process with a cleaning chemical (chemical process) and final water rinsing process by using rinsing pure water (rinse process) and a drying process ...


44
Tito Viswanathan, Donald H Westermann: Process for preparation of resin and resin obtained. Chemical Process Corporation, Quarles and Brady, September 8, 1987: US04692478 (37 worldwide citation)

The process of preparing a formaldehyde-free, thermosetting resin which is especially useful for bonding lignocellulosic materials together to form plywood or particle board, which process comprises first reacting an aqueous preparation containing a carbohydrate raw material with a mineral acid to c ...


45
Igor K Kotliar: Apparatus for hypoxic training and therapy. December 22, 1998: US05850833 (37 worldwide citation)

An apparatus is provided for hypoxic training or therapy. The apparatus provides a user air having a lower oxygen content than the ambient atmosphere. The apparatus reduces the oxygen content of the air by passing the ambient air through a membrane separator which extracts the oxygen therefrom by a ...


46
Madhav Datta, Ravindra Shenoy: Electroetching process for seed layer removal in electrochemical fabrication of wafers. IBM Corporation, Ratner & Prestia, January 23, 1996: US05486282 (36 worldwide citation)

A tool and process for electroetching metal films or layers on a substrate employs a linear electrode and a linear jet of electrolyte squirted from the electrode. The electrode is slowly scanned over the film by a drive mechanism. The current is preferably intermittent. In one embodiment a single wa ...


47
Klas R Wiklund, Erik I Johansson: Method and apparatus for sampling measurement data from a chemical process. Pharos, Larson and Taylor, May 20, 1986: US04590466 (36 worldwide citation)

A method and an apparatus of obtaining measurement data from a chemical process in a mass in a space, such as the charge in a blast furnace, is disclosed where the mass passes through the space from an inlet to an outlet and chemical and/or mechanical change in the mass takes place as it passes thro ...


48
Peter J Loftus, Charles E Benson, Roberto O Pellizzari, Richard R Martin: Ultra low emissions burner. Gas Research Institute, Factor and Shaftal, December 28, 1999: US06007325 (34 worldwide citation)

A gas fired burner is provided for use in applications such as chemical process furnaces for process heaters in refineries and chemical plants, and the like. The burner is provided with a plurality of fuel gas inlets for enabling manipulation of the flame shape and combustion characteristics of the ...


49
Thomas L Frazzini, Michael K Holland, Charles E Pietri, Jon R Weiss: Apparatus for use in rapid and accurate controlled-potential coulometric analysis. The United States of America represented by the United States Department of Energy, James E Denny, Frank H Jackson, Donald P Reynolds, January 13, 1981: US04244800 (34 worldwide citation)

An apparatus for controlled-potential coulometric analysis of a solution includes a cell to contain the solution to be analyzed and a plurality of electrodes to contact the solution in the cell. Means are provided to stir the solution and to control the atmosphere above it. A potentiostat connected ...


50
John C Rankin: Dry chemical process for grafting acrylic and methyl acrylic ester and amide monomers onto starch-containing materials. The United States of America represented by the Secretary of Agriculture, M Howard Silverstein, David G McConnell, Curtis P Ribando, May 18, 1982: US04330443 (34 worldwide citation)

Acrylic monomers are grafted onto starch-containing materials by a novel dry state process in which small amounts of peroxides chemically initiate the free radical reaction. Since the process is dry and the resultant products contain no contaminants, it is unnecessary to isolate, wash, and dry them ...



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