Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11352301 | Controllable high flow concrete | Elizabeth G. Burns, Nathan A. Tregger, Hideo Koyata, Klaus-Alexander Rieder, Mark F. Roberts +1 more | 2022-06-07 |
| 11148975 | Method for defoaming cementitious compositions using polyamine oxides | Ying-Hsun Chen | 2021-10-19 |
| 11130709 | Polyalkoxylated polyamine oxide defoaming compositions | Ying-Hsun Chen | 2021-09-28 |
| 11021395 | Method for low-to-mid-range water reduction of cementitious compositions | Izabela Goc-Maciejewska, Natalia Jaskula | 2021-06-01 |
| 10266449 | Method for treating clay and clay-bearing aggregates and compositions therefor | Nathan A. Tregger, Ho Lee, O-il Kwon | 2019-04-23 |
| 10047008 | Low-to-mid range water-reducing polymer with mixed polyoxyalkylene side chains | — | 2018-08-14 |
| 9994483 | Functionalized polyamines for clay mitigation | Cédrick Favero, Christophe Roux, Nathan A. Tregger | 2018-06-12 |
| 9950953 | Functionalized polyamines for clay mitigation | Cédrick Favero, Christophe Roux, Nathan A. Tregger | 2018-04-24 |
| 9919968 | Low-to-mid-range water reduction using polycarboxylate comb polymers | Izabela Goc-Maciejewska, Natalia Jaskula | 2018-03-20 |
| 9828500 | Hydrophobic, cationic polymers for treating construction aggregates | Ying-Hsun Chen, Hideo Koyata | 2017-11-28 |
| 9624130 | Optimizing polycarboxylate admixtures for cementitious compositions | Keith St Jean, Yohannes K. Lemma, Nathan A. Tregger, Stephen P. Klaus, Danila F. Ferraz +2 more | 2017-04-18 |
| 9546110 | Superplasticizing admixture for cementitious compositions | Keith St Jean, Yohannes K. Lemma, Nathan A. Tregger, Stephen P. Klaus, Klaus-Alexander Rieder +1 more | 2017-01-17 |
| 9034968 | Cationic polymers for treating construction aggregates | Ying-Hsun Chen, Hideo Koyata | 2015-05-19 |
| 8821630 | Carboxylated-carboxylic polyglycerol compositions for use in cementitious compositions | Izabela Goc-Maciejewska, Romain Faivre | 2014-09-02 |
| 8759423 | Stabilized defoamers for cementitious compositions | Ying-Hsun Chen, Ara A. Jeknavorian | 2014-06-24 |
| 8598262 | Copolymers for treating construction aggregates | Ying-Hsun Chen | 2013-12-03 |
| 8518176 | Suppression of antagonistic hydration reactions in blended cements | Denise A. Silva, Josephine H. Cheung, Paul J. Sandberg, Lawrence R. Roberts, Durga V. Subramanian +1 more | 2013-08-27 |
| 8461245 | Copolymers for treating construction aggregates | Ying-Hsun Chen | 2013-06-11 |
| 8317918 | Defoamers for hydratable cementitious compositions | — | 2012-11-27 |
| 8187376 | Defoamers for hydratable cementitious compositions | — | 2012-05-29 |
| 8004492 | Interface for controlling a graphical image | James F. Kramer, Felix Maier | 2011-08-23 |
| 7821498 | Interface for controlling a graphical image | James F. Kramer, Felix Maier | 2010-10-26 |
| 6273998 | Production of paper and paperboard | Roger Yiming Leung, Steven R. Prescott, Thord Hassler | 2001-08-14 |
| 5728207 | Cement admixture product having improved rheological properties and process of forming same | Ahmad Arfaei, David C. Darwin, Ellis Gartner, Byong-Wa Chun, Hideo Koyata | 1998-03-17 |
| 5720888 | Water-soluble cationic copolymers and their use as flocculants | Roger Yiming Leung | 1998-02-24 |