Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8181702 | Application of degradable fibers in invert emulsion fluids for fluid loss control | Oscar Bustos, Syed A. Ali | 2012-05-22 |
| 8162056 | Application of degradable fibers in invert emulsion fluids for kill pills | Oscar Bustos, Syed A. Ali | 2012-04-24 |
| 5403938 | Polythiol compound, and optical material and product produced therefrom | Tsuyoshi Ohkubo, Reisuke Okada | 1995-04-04 |
| 5326501 | Polythiol compound, and optical material and product produced therefrom | Tsuyoshi Ohkubo, Reisuke Okada | 1994-07-05 |