Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420259 | Processes for reducing environmental availability of environmental pollutants | Qunhui Zhou, Jon E. Miller, Timothy Allen Frost, Sascha J. Welz, Se Hye Kim | 2025-09-23 |
| 11268005 | High density aqueous well fluids | Christopher J. Nalepa, Jacobus N. Louwen, Yunqi Liu, Srinivasa S. Godavarthy, Kevin Coppola | 2022-03-08 |
| 10759985 | High density aqueous well fluids | Yunqi Liu | 2020-09-01 |
| 10597574 | High density aqueous well fluids | Christopher J. Nalepa, Jacobus N. Louwen, Yunqi Liu, Srinivasa S. Godavarthy, Kevin Coppola | 2020-03-24 |
| 9629809 | High content sodium ibuprofen granules, their preparation and their use in preparing non-effervescent solid dosage forms | Latria N. Boudoin, Eric W. Llimatta, Patrick C. Hu | 2017-04-25 |
| 9358523 | Self-ignition resistant thermally-activated carbon | Jonathan P. O'Dwyer, Qunhui Zhou, Yinzhi Zhang, Christopher J. Nalepa | 2016-06-07 |
| 9089834 | Brominated sorbents for removing mercury from emissions produced during fuel combustion | Christopher J. Nalepa, Qunhui Zhou, Jonathan P. O'Dwyer | 2015-07-28 |
| 8940329 | High ibuprofen content granules and their preparation and their use in pharmaceutical dosage forms | Patrick C. Hu, Arcelio J. Malcolm | 2015-01-27 |
| 8900346 | Self-ignition resistant thermally-activated carbon | Jonathan P. O'Dwyer, Qunhui Zhou, Yinzhi Zhang, Christopher J. Nalepa | 2014-12-02 |
| 6509434 | Aromatic amine curatives and their use | William R. Brown, John C. Prindle, Jr. | 2003-01-21 |
| 5874619 | Reducing the coloration of aromatic diamines | Paul L. Wiggins, William R. Brown | 1999-02-23 |
| 5840984 | Stabilization of (hydrocarbylthio) aromatic amines against odor formation | Paul L. Wiggins, William R. Brown | 1998-11-24 |