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Hagans

Michael Keith Hagans, Wheelersburg, OH US

Patent application numberDescriptionPublished
20110306800METHOD FOR THE DECOMPOSITION OF CUMENE HYDROPEROXIDE - An improved method for the production of phenol, acetone and alpha-methyl styrene (AMS) from a cumene hydroperoxide and dimethylbenzyl alcohol (DMBA) mixture is described, wherein 0.5-5% additional water by weight is added prior to the final DMBA dehydration step, carried out in the presence of about 20-400 ppm mineral acid catalyst at 110-150° C. for 0.5 to 40 minutes residence time. The use of additional water allows greater flexibility in maintaining optimum temperature in the second stage over a much broader turndown range with fixed equipment, decreases the residual dicumyl peroxide (DCP) at the yield optimum for a given temperature, and increases the overall yield of AMS at optimum conditions at a given temperature.12-15-2011

Michael N. Hagans, Medina, OH US

Patent application numberDescriptionPublished
20080227412Intelligent Scanning System and Method for Walkie-Talkie Devices - A method and system for scanning channels in a network for incoming audio transmissions. A device enters an intelligent scanning mode, which initiates an automatic scanning of predefined channels for incoming audio transmissions. Upon detection, the device tunes to the channel of the incoming audio transmission while continually searching channels of a higher priority for incoming audio transmissions of a higher priority. A device enters a single channel mode to send an outgoing transmission, which automatically reverts the device to the channel of the last incoming audio transmission.09-18-2008

Patrick L. Hagans, Dexter, MI US

Patent application numberDescriptionPublished
20100316930FUEL CELL HAVING A STABILIZED CATHODE CATALYST - A fuel cell (12-16-2010
20110143934STABILIZED PLATINUM CATALYST - A stabilized platinum nanoparticle has a core portion surrounded by a plurality of outer surfaces. The outer surfaces include terrace regions formed of platinum atoms, and edge and corner regions formed of atoms from a second metal. The stabilized nanoparticle may be formed by combining a platinum nanoparticle with a metal salt in a solution. Ions of the second metal react with platinum and replace platinum atoms on the nanoparticle. Platinum atoms from the edge and corner regions react with the second metal ions quicker than surface atoms from the terraces, due to a greater difference in electrode potential between the platinum atoms at the edge and corner regions, as compared to the second metal in the solution. The platinum nanoparticle may include surface defects, such as steps and kinks, which may also be replaced with atoms of the second metal. In an exemplary embodiment, the platinum nanoparticle is a cathode catalyst in an electro-chemical cell.06-16-2011

Patrick L. Hagans, Columbia, CT US

Patent application numberDescriptionPublished
20100040911FUEL CELL FLOW FIELD HAVING STRONG, CHEMICALLY STABLE METAL BIPOLAR PLATES - A bipolar plate (02-18-2010
20100055538FUEL CELL FLOW FIELD HAVING METAL BIPOLAR PLATES - A bipolar plate (03-04-2010

Patent applications by Patrick L. Hagans, Columbia, CT US