Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829121 | Process for sulfoethylation of high molecular weight acrylamide containing polysoap latex polymers | Dodd W. Fong | 1989-05-09 |
| 4800071 | Filtration aids for removal of calcium solids from aqueous phosphoric acid | Donald G. Robinson, Wayne L. Moss, Brian K. Failon | 1989-01-24 |