Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9278869 | Assembly for treating flowing water | — | 2016-03-08 |
| 9266749 | Assembly for treating flowing water | — | 2016-02-23 |
| 8834816 | Process for recovering metals from cyanide tailings | — | 2014-09-16 |
| 8809227 | Metal-absorbing polymer-containing product | — | 2014-08-19 |
| 8263229 | Composite structures for the absorption of dissolved metals | — | 2012-09-11 |
| 7501380 | Compositions for the absorption of dissolved metals | — | 2009-03-10 |
| 7381333 | Treatment of water flowing in a horizontal conduit | — | 2008-06-03 |
| 7041222 | Process for the removal of toxic metals from water | — | 2006-05-09 |
| 6815050 | Porous composite product for the absorption of organic compounds | — | 2004-11-09 |
| 6569495 | Process for making composite structures containing microporous polyvinylchloride | — | 2003-05-27 |
| 6521340 | Sulfur-containing aliphatic polymer for the selective absorption of dissolved metal species | — | 2003-02-18 |
| 6306488 | Composite rigid sponge structure | — | 2001-10-23 |
| 5597850 | Sponge for the absorption of metal ions | — | 1997-01-28 |
| 5595652 | Method and apparatus for in-situ remediation of water containing undesirable ionic species | — | 1997-01-21 |
| 5336704 | Process for insolubilizing absorbed metal ions | — | 1994-08-09 |
| 5294652 | Process for recovering silver from photographic chemical effluent | — | 1994-03-15 |
| 5187200 | Process for the selective absorption of anions | — | 1993-02-16 |
| 5169883 | Product for the absorption of dissolved ions | — | 1992-12-08 |
| 5162404 | Ion-absorbent sponge product | — | 1992-11-10 |
| 5096946 | Polymer product for the selective absorption of dissolved ions | — | 1992-03-17 |
| 5064540 | Method for using water-treating sponges | — | 1991-11-12 |
| 5060663 | Process for minimizing loose ends in cigarettes | — | 1991-10-29 |
| 5002984 | Product for the absorption of metal ions | — | 1991-03-26 |
| 4805642 | Process for removing inorganic nitrate from agricultural products | — | 1989-02-21 |
| 4715388 | Cigarettes having minimized loose ends and a process for preparing same | — | 1987-12-29 |