Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5531825 | Hydraulic cement set accelerators based on nitroalcohols | Ellis Gartner, Joseph A. Cogliano, Ahmad Arfaei, Leslie A. Jardine, Heyman C. Duecker | 1996-07-02 |
| 5478521 | Method for making bughole-free hardened cement structural units using bughole-reducing cement admixtures | — | 1995-12-26 |
| 5389143 | Low shrinkage cement composition | Ismail Abdelrazig | 1995-02-14 |
| 5215585 | Hydration retarder | Narender P. Luthra, Charles G. Carter | 1993-06-01 |
| 5176752 | Stabilized microsilica slurries and cement compositions containing the same | — | 1993-01-05 |