Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889637 | Scale control with terpolymers containing vinyl alcohol | William F. Masler, III | 1989-12-26 |
| 4885097 | Stabilization of metal ions with terpolymers containing styrene sulfonic acid | William F. Masler, III | 1989-12-05 |
| 4842847 | Dental calculus inhibiting compositions | — | 1989-06-27 |
| 4806259 | Membrane cleaning compositions containing phosphorous compounds | — | 1989-02-21 |