Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698513 | Urea-based solid cleaning compositions free from or containing minor amounts of water | Rhonda K. Schulz, Helen B. Bailly | 1997-12-16 |
| 5674831 | Method of making urea-based solid cleaning compositions | Rhonda K. Schulz, Helen B. Bailly | 1997-10-07 |
| 4796700 | Process for retarding fluid flow | Burton B. Sandiford | 1989-01-10 |
| 4673038 | Gel and process for preventing carbon dioxide break through | Burton B. Sandiford | 1987-06-16 |
| 4643255 | Gel and process for preventing loss of circulation, and combination process for enhanced recovery | Burton B. Sandiford | 1987-02-17 |