Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10160673 | Method for flocculating algae using polymers including tannin | David Brandon Whitt, John Gerard Juchcinski | 2018-12-25 |
| 7442722 | Foam control in aqueous media | Chihyu Sui | 2008-10-28 |
| 6534550 | Foam control composition and method for controlling foam in aqueous systems | — | 2003-03-18 |
| 5916991 | Composition and method for water clarification | Jen-Chi Chen, Fu Chen | 1999-06-29 |
| 5846436 | Composition and method for water clarification | Jen-Chi Chen, Fu Chen, Stephen R. Vasconcellos | 1998-12-08 |
| 5684109 | Composition comprising a tannin-containing copolymer | Jen-Chi Chen, Fu Chen | 1997-11-04 |
| 5643462 | Composition and method for water clarification | Jen-Chi Chen, Fu Chen, Stephen R. Vasconcellos | 1997-07-01 |
| 5292441 | Quaternized polyvinylamine water clarification agents | Jen-Chi Chen, Stephen R. Vasconcellos, Fu Chen | 1994-03-08 |
| 4765923 | Composition for reducing color contamination of influent water | — | 1988-08-23 |
| 4737293 | Process for reducing the content of trihalomethane compounds and precursors thereof in influent water | Bruce K. Fillipo | 1988-04-12 |
| 4668403 | Process for reducing color contamination of influent water | Bruce K. Fillipo | 1987-05-26 |
| 4668404 | Process for reducing color contamination of influent water | — | 1987-05-26 |
| 4661259 | Process for reducing the content of trihalomethane compounds and precursors thereof in influent water | Bruce K. Fillipo | 1987-04-28 |