Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298566 | Water soluble graft copolymers and methods of use thereof | Wen P. Liao | 1994-03-29 |
| 5292441 | Quaternized polyvinylamine water clarification agents | Jen-Chi Chen, Stephen R. Vasconcellos, Gerald C. Walterick, Jr. | 1994-03-08 |
| 5292379 | Method and composition for treatment of aluminum | David W. Reichgott | 1994-03-08 |
| 5282905 | Method and composition for treatment of galvanized steel | David W. Reichgott | 1994-02-01 |
| 5271847 | Polymers for the treatment of boiler water | Scott M. Boyette, Keith A. Bair | 1993-12-21 |
| 5242599 | Polymers for the treatment of boiler water | Keith A. Bair, Scott M. Boyette | 1993-09-07 |
| 5234604 | Water soluble block copolymers and methods of use therof | Wen P. Liao, Stephen R. Vasconcellos | 1993-08-10 |
| 5211854 | Water soluble graft copolymers and methods of use thereof | Wen P. Liao | 1993-05-18 |
| 5183576 | Cationic polymers for sludge dewatering | Michael R. Wood, Keith A. Bair, Stephen R. Vasconcellos | 1993-02-02 |
| 5182331 | Water soluble block copolymers and methods of use thereof | Wen P. Liao, Stephen R. Vasconcellos | 1993-01-26 |
| 5180498 | Polymers for the treatment of boiler water | Scott M. Boyette, Keith A. Bair | 1993-01-19 |
| 5169537 | Water soluble terpolymers and methods of use thereof | — | 1992-12-08 |
| 5158622 | Method and composition for treatment of aluminum | David W. Reichgott | 1992-10-27 |
| 5128427 | Terpolymer from sodium arcylate, sodium salt of amps and allyl ether of glycerol | — | 1992-07-07 |
| 5112413 | Method for treating metal surfaces with a polymer solution | William S. Carey, David W. Reichgott | 1992-05-12 |
| 5108619 | Method of inhibiting deposition on heat transfer surfaces in boilers | Alexander C. McDonald, William S. Carey | 1992-04-28 |
| 5108622 | Block copolymers for sludge dewatering and a polymeric initiator for their preparation | Wen P. Liao | 1992-04-28 |
| 5100561 | Cationic polymers for sludge dewatering | Michael R. Wood, Keith A. Bair, Stephen R. Vasconcellos | 1992-03-31 |
| 5030748 | Water treatment polymers and methods of use thereof | William S. Carey | 1991-07-09 |
| 5006596 | Self-inverting, water-in-oil emulsions | Edward J. Connors | 1991-04-09 |
| 4980433 | Novel amine-containing copolymers and their use | William S. Carey | 1990-12-25 |
| 4944885 | Water treatment polymers and methods of use thereof | — | 1990-07-31 |
| 4931188 | Polymers for boiler water treatment | — | 1990-06-05 |
| 4929695 | Water treatment polymers and methods of use thereof | William S. Carey | 1990-05-29 |
| 4929362 | Calcium phosphate scale control methods | — | 1990-05-29 |