Freddie Prince resumes & CV records
Resumes
Freddie Prince
Freddie G Prince, 58Accokeek, MD
Freddie Prince Phones & Addresses
Accokeek, MD
Wilmington, NC
Oxon Hill, MD
Morristown, NJ
Alexandria, VA
827 Chatsworth Dr, Accokeek, MD 20607 301-2036803
Work
Position:
Legal Professional
Education
Degree:
Graduate or professional degree
Mentions for Freddie G Prince
Publications & IP owners
Us Patents
Methods For The Separation Of Compounds From Acidic Aqueous Solutions
US Patent:
6238462, May 29, 2001
Filed:
Jul 14, 1999
Appl. No.:
9/353202
Inventors:
Steven A. Dunwoody - Castle Hayne NC
Lei Jiang - Painted Post NY
Dale R. Powers - Painted Post NY
Freddie G. Prince - Accokeek MD
Lei Jiang - Painted Post NY
Dale R. Powers - Painted Post NY
Freddie G. Prince - Accokeek MD
Assignee:
Corning Incorporated
International Classification:
B01D 5314
US Classification:
95195
Abstract:
A method is disclosed for recovering germanium from a gaseous mixture which includes a germanium-containing compound in vapor or particulate form, acid in vapor form, and water vapor. The gaseous mixture is contacted with a liquid containing water under conditions effective to dissolve the germanium-containing compound in the liquid. The acidity of the resulting liquid mixture is increased under conditions effective to vaporize the germanium-containing compound. The vaporized germanium-containing compound is contacted with one or more aqueous solutions under conditions effective to dissolve and precipitate the germanium-containing compound in at least one of the one or more aqueous solutions, and the resulting precipitate is separated from the at least one of the one or more aqueous solutions. The methods described herein are particularly well suited for recovering germanium from the waste gases produced during optical waveguide manufacturing processes. Germanium recovered by this method can thereafter be used in the production of semiconductors, optical waveguide fibers and optical components.
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