Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5086841 | Method of reducing circulation fluid loss using water absorbing polymer | Ansell L. Reid | 1992-02-11 |
| 5034139 | Polymer composition comprising phosphorous-containing gelling agent and process thereof | Ansell L. Reid | 1991-07-23 |