Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368642 | Functionalized polymers containing amine groupings and their use as retarders in cement slurries | Klein A. Rodrigues | 1994-11-29 |
| 5339903 | Method for control of gas migration in well cementing | Bill W. Loughridge | 1994-08-23 |
| 5290357 | Acetone/formaldehyde/cyanide resins | — | 1994-03-01 |