Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4615841 | Process for making alkaline-earth metal salts of alkaryl sulfonic acids | Emanuel Stamatakis, Paul H. Javora | 1986-10-07 |
| 4579927 | Copolymers of flavanoid tannins and acrylic monomers | Arvind D. Patel | 1986-04-01 |
| 4521578 | Composition and method of preparation of novel aqueous drilling fluid additives | Robert G. Chen, Arvind D. Patel | 1985-06-04 |
| 4337160 | Acid soluble weighting agent for well drilling, workover and completion fluids | — | 1982-06-29 |
| 4260498 | Silane coated silicate minerals and method for preparing same | John M. Horn | 1981-04-07 |
| 4233366 | Silane coated silicate minerals and method for preparing same | John M. Horn | 1980-11-11 |
| 4208285 | Drill cuttings disposal system with good environmental and ecological properties | — | 1980-06-17 |