Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11684929 | Grinding stabilizing additive for vertical roller mills | Denise A. Silva, Josephine H. Cheung, David F. Myers, Ernie Rocha, Wee Fuk Lai +3 more | 2023-06-27 |
| 11331828 | Pre-pour slump maximization of delivered concrete | Gregory A. Goldstein, Mark F. Roberts, Nathan A. Tregger, Kati Hazrati | 2022-05-17 |
| 11014858 | Mineral grinding | Larry Ralph Gibson, Josephine H. Cheung, Leslie A J. Buzzell | 2021-05-25 |
| 10752549 | Modifying cementitious compositions using ketone alcohol oil waste | Shuqiang Zhang, Hua Zhong, Wee Fuk Lai, Felek Jachimowicz, Yin-Zar Hnin | 2020-08-25 |
| 10597325 | Postponed onset of quicklime hydration | — | 2020-03-24 |
| 9789628 | Fast response time in slump monitoring systems | Kati Hazrati, Eric Koehler, Romain Faivre | 2017-10-17 |
| 8993656 | Robust polycarboxylate containing ether linkages for milling preparation of cementitious materials | Josephine H. Cheung, Denise A. Silva, Masahiro Sato | 2015-03-31 |
| 8685156 | Modifying clay activity and slump retention in cementitious compositions | Hideo Koyata, Shuqiang Zhang | 2014-04-01 |
| 8097666 | Cement additive for stucco applications | Michael Macklin, Mark A. Franciosi, Leslie A. Jardine | 2012-01-17 |
| 8058377 | Phosphate-containing polycarboxylate polymer dispersants | Izabela Goc-Maciejewska, Piotr Krzyzanowski | 2011-11-15 |
| 7462236 | Gluconate broth for cement and concrete admixture | Ara A. Jeknavorian, Charlotte Porteneuve | 2008-12-09 |
| 7232483 | Cement composition having chromium reducer | Leslie A. Jardine, Charles R. Cornman, Vijay Gupta | 2007-06-19 |
| 7128782 | Sulfate dispersion chromate reducer | Leslie A. Jardine, Charles R. Cornman, David Geary, Vijay Gupta | 2006-10-31 |
| 7087110 | Liquid additive for intergrinding cement | Leslie A. Jardine, Charles R. Cornman, Vijay Gupta | 2006-08-08 |
| 7048793 | Beneficiated water reducing compositions | Benita Dair, Charlotte Porteneuve, Ara A. Jeknavorian, Josephine H. Cheung, Lawrence R. Roberts | 2006-05-23 |
| 6916369 | Beneficiated water reducing compositions | Benita Dair, Charlotte Porteneuve, Ara A. Jeknavorian, Josephine H. Cheung, Lawrence R. Roberts | 2005-07-12 |
| 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 |
| 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 |
| 6277191 | Air entrainment with polyoxyalkylene copolymers for concrete treated with oxyalkylene SRA | Noah D. Budiansky, Brent Williams | 2001-08-21 |
| 5728207 | Cement admixture product having improved rheological properties and process of forming same | Ahmad Arfaei, David C. Darwin, Ellis Gartner, Hideo Koyata, Lawrence L. Kuo | 1998-03-17 |
| 5643978 | Cement admixture product having improved rheological properties and process of forming same | David C. Darwin, Ellis Gartner, Hideo Koyata, Lawrence L. Kuo | 1997-07-01 |
| 5633298 | Cement admixture product having improved rheological properties and process of forming same | Ahmad Arfaei, David C. Darwin, Ellis Gartner, Hideo Koyata, Lawrence L. Kuo | 1997-05-27 |
| 5583183 | Cement and cement composition having improved rheological properties | David C. Darwin, Ellis Gartner, Hideo Koyata, Lawrence L. Kuo | 1996-12-10 |
| 5393343 | Cement and cement composition having improved rheological properties | David C. Darwin, Ellis Gartner, Hideo Koyata, Lawrence L. Kuo | 1995-02-28 |