Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5518629 | Methods for controlling scale formation in acqueous systems | Libardo A. Perez, Donald T. Freese, Judith B. Rockett | 1996-05-21 |
| 5519102 | Aqueous polymerization method for poly(isopropenylphosphonic acid) | Michael A. Cady, Andrew Solov | 1996-05-21 |
| 5500133 | Polymeric dithiocarbamate acid salt compositions and method of use | Ellen M. Meyer | 1996-03-19 |
| 5489666 | Control of scale formation in aqueous systems | Andrew Solov, Donald T. Freese, Libardo A. Perez | 1996-02-06 |
| 5466381 | Method of scavenging oxygen from an aqueous medium | Alan E. Goliaszewski, Michael A. Cady, Paul R. Burgmayer, Sydia B. Anderson, Roger Moulton | 1995-11-14 |
| 5422010 | Method for inhibiting silica and silicate deposition | Andrew Solov, Libardo A. Perez | 1995-06-06 |
| 5378390 | Composition for controlling scale formation in aqueous systems | Libardo A. Perez, Donald T. Freese, Judith B. Rockett | 1995-01-03 |
| 5378372 | Control of scale formation in aqueous systems | Andrew Solov, Donald T. Freese, Libardo A. Perez | 1995-01-03 |
| 5332505 | Method for inhibiting silica and silicate deposition | Andrew Solov, Libardo A. Perez | 1994-07-26 |
| 5326478 | Methods for controlling scale formation in aqueous systems | Libardo A. Perez, Donald T. Freese, Judith B. Rockett | 1994-07-05 |
| 5112413 | Method for treating metal surfaces with a polymer solution | Fu Chen, David W. Reichgott | 1992-05-12 |
| 5108619 | Method of inhibiting deposition on heat transfer surfaces in boilers | Alexander C. McDonald, Fu Chen | 1992-04-28 |
| 5030748 | Water treatment polymers and methods of use thereof | Fu Chen | 1991-07-09 |
| 4980433 | Novel amine-containing copolymers and their use | Fu Chen | 1990-12-25 |
| 4929695 | Water treatment polymers and methods of use thereof | Fu Chen | 1990-05-29 |
| 4917737 | Sealing composition and method for iron and zinc phosphating process | David W. Reichgott | 1990-04-17 |
| 4913880 | Novel amine-containing copolymers and their use | Fu Chen | 1990-04-03 |
| 4906383 | Novel amine-containing copolymers and their use | Fu Chen | 1990-03-06 |
| 4898684 | Novel amine-containing copolymers and their use | Fu Chen | 1990-02-06 |
| 4895916 | Water treatment polymers and methods of use thereof | Fu Chen | 1990-01-23 |
| 4868263 | Novel amine-containing copolymers and their use | Fu Chen | 1989-09-19 |
| 4863614 | Water treatment polymers and methods of use thereof | Fu Chen | 1989-09-05 |
| 4849129 | Water treatment polymers and methods of use thereof | Fu Chen | 1989-07-18 |