O'Donohue; Cynthia H. - US Patent Attorneys and Agents

Number of patents: 4
Last date: July 22, 2003

Number	Title	Issue Date
6596209	Production of particle board from agricultural waste The present invention describes a process of using agricultural biomass to make particle or fiberboards. The preferred biomass is selected with high cellulose and hemicellulose concentration and low silica content. The process utilizes short refining time...	07/22/2003
6551378	Recovery of precious metals from low concentration sources A process for the recovery of gold and the platinum group metals from sources that contain relatively low amounts of the metals is described. The process is environmentally acceptable and uses no expensive and potentially dangerous organic solvents. The p...	04/22/2003
6419941	Polyol ester insecticides and method of synthesis The present invention relates to an environmentally acceptable synthesis method of polyol esters that produces no toxic by-products methods during the synthesis. The present invention also provides for the use of these esters as safe and effective insecti...	07/16/2002
6384266	Method of synthesis of betaine esters The present invention relates to an environmentally acceptable method of producing glycine betaine esters that produces no toxic by-products during the synthesis. The method produces only product, recyclable material for reuse in the process, and recovere...	05/07/2002

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