Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394173 | Recovery of phosphorus values and salt impurities from aqueous waste streams | Chil Y. Choi, Gregory A. Hartmann, Peng Lei, William Poncez, Peter E. Rogers +4 more | 2016-07-19 |
| 8669396 | Recovery of phosphorus values and salt impurities from aqueous waste streams | Chil Y. Choi, Gregory A. Hartmann, Peng Lei, William Poncez, Peter E. Rogers +2 more | 2014-03-11 |
| 8344178 | Processes for producing and recovering shikimic acid | Sunder Rangachari, Todd Friedman, Greg Hartmann | 2013-01-01 |
| 7064235 | Process for making iminodiacetic acid compounds from monoethanolamine substrates | Howard C. Berk, Thaddeus S. Franczyk, II, David A. Morgenstern, Juan P. Arhancet, William L. Moench, Jr. +1 more | 2006-06-20 |
| 6555706 | Process for making iminodiacetic acid compounds from monoethanolamine substrates | Howard C. Berk, Thaddeus S. Franczyk, II, David A. Morgenstern, Juan P. Arhancet, William L. Moench, Jr. +1 more | 2003-04-29 |
| 5723049 | Treatment of a formaldehyde-containing waste stream | — | 1998-03-03 |
| 4954466 | Recovery of cobalt catalyst values | — | 1990-09-04 |
| 4948909 | Process for the preparation of iminodiacetonitrile and iminodiacetic acid | Karl E. Koenig, Gary A. Lanser, Paul A. Morrison | 1990-08-14 |