Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326396 | Low shrinkage cement composition | Baha E. I. Abdelrazig, David F. Myers | 1994-07-05 |
| 5326397 | Low shrinkage cement composition | Baha E. I. Abdelrazig, David F. Myers | 1994-07-05 |
| 5294256 | Additives for hydraulic cement compositions | Willis A. Weigand, Chiara F. Ferraris, James M. Gaidis | 1994-03-15 |
| 5203512 | Processing additive for high-pressure roll press process of forming finish grind cement | Chiara F. Ferraris, David F. Myers | 1993-04-20 |
| 5180430 | Concrete surface air void reduction admixture | Chiara F. Ferraris | 1993-01-19 |
| 5156679 | Air-detrainer for hydraulic cement compositions | David F. Myers | 1992-10-20 |
| 5102467 | Novel cement additives and hydraulic cement mixes containing them | Robert P. Kreh | 1992-04-07 |
| 5084103 | Strength enhancing additive for certain portland cements | David F. Myers | 1992-01-28 |
| 5017234 | Processing additives for blended cements | David F. Myers, James M. Gaidis | 1991-05-21 |
| 4990190 | Strength enhancing additive for certain portland cements | David F. Myers | 1991-02-05 |
| 4943323 | Processing additives for blended cements | David F. Myers, James M. Gaidis | 1990-07-24 |
| 4829107 | Rice hull ash concrete admixture | Lawrence J. Kindt | 1989-05-09 |
| 4619702 | Rare earth modifiers for Portland cement | — | 1986-10-28 |