Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070875 | Slump retention in cementitious compositions | Hideo Koyata, Darrick B. McGuire, Ivana Jovanovic | 2011-12-06 |
| 7972436 | Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent | Chia-Chih Ou, Christon L. Hill | 2011-07-05 |