Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886617 | Water soluble phosphonated polymers | Keith A. Bair | 1989-12-12 |
| 4872995 | Method for calcium oxalate scale control | Daniel L. Michalopoulos | 1989-10-10 |
| 4869845 | Water treatment compositions | — | 1989-09-26 |
| 4868263 | Novel amine-containing copolymers and their use | William S. Carey | 1989-09-19 |
| 4863614 | Water treatment polymers and methods of use thereof | William S. Carey | 1989-09-05 |
| 4851490 | Water soluble phosphonated polymers | Keith A. Bair | 1989-07-25 |
| 4849129 | Water treatment polymers and methods of use thereof | William S. Carey | 1989-07-18 |
| 4801387 | Water treatment polymers and methods of use thereof | — | 1989-01-31 |