Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8357813 | Process for the production of an olefin oxide | William H. Gerdes, John Robert Lockemeyer, Thomas Szymanski, Randall Clayton Yeates | 2013-01-22 |
| 8357825 | Process for the production of a 1,2-diol, a 1,2-diol ether, or an alkanolamine | William H. Gerdes, John Robert Lockemeyer, Thomas Szymanski, Randall Clayton Yeates | 2013-01-22 |
| 8084390 | Catalyst, a process for preparing the catalyst and a process for the production of an olefin oxide, a 1,2-diol, a 1,2 diol ether, or an alkanolamine | William H. Gerdes, John Robert Lockemeyer, Thomas Szymanski, Randall Clayton Yeates | 2011-12-27 |
| 7825062 | Catalyst carrier and a process for preparing the catalyst carrier | William H. Gerdes, Thomas Szymanski, John Robert Lockemeyer, Randall Clayton Yeates | 2010-11-02 |
| 6831037 | Catalyst carriers | Thomas Szymanski, John Robert Lockemeyer, Randall Clayton Yeates, William H. Gerdes | 2004-12-14 |
| 5733842 | Method of making porous catalyst carrier without the addition of pore forming agents | William H. Gerdes, Thomas Szymanski | 1998-03-31 |
| 5512530 | Catalyst carrier | William H. Gerdes, Thomas Szymanski | 1996-04-30 |
| 5384302 | Catalyst carrier | William H. Gerdes, Thomas Szymanski, James A. Wolford | 1995-01-24 |
| 4952389 | Alumina particles | Thomas Szymanski, Kenneth R. Butcher | 1990-08-28 |