Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972436 | Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent | Chia-Chih Ou, Ara A. Jeknavorian | 2011-07-05 |
| 6670415 | Admixture for optimizing addition of EO/PO plasticizers | Leslie A. Jardine, Hideo Koyata, Kevin J. Folliard, Chia-Chih Ou, Felek Jachimowicz +2 more | 2003-12-30 |
| 6441054 | Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent | Chia-Chih Ou, Ara A. Jeknavorian | 2002-08-27 |
| 6352952 | Admixture and method for optimizing addition of EO/PO superplasticizer to concrete containing smectite clay-containing aggregates | Leslie A. Jardine, Hideo Koyata, Kevin J. Folliard, Chia-Chih Ou, Felek Jachimowicz +2 more | 2002-03-05 |