Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697121 | Papermaking process of increasing ash content of a paper product and a paper product obtained by the same | Qinglong Rao, Yulin Zhao, Weiguo Cheng, Aleksandar Todorovic, Alan Smith | 2020-06-30 |
| 10145067 | Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking | Yulin Zhao, Jun Li, Qing Long Rao, Weiguo Cheng, Aleksandar Todorovic +1 more | 2018-12-04 |
| 9487916 | Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking | Yulin Zhao, Jun Li, Qing Long Rao, Weiguo Cheng, Aleksandar Todorovic +1 more | 2016-11-08 |
| 9134289 | Apparatus for on-line continuous chlorine analysis in turbid water and process streams | Martin Seifert | 2015-09-15 |
| 9016110 | Apparatus for on-line continuous chlorine analysis in turbid water and process streams | Martin Seifert, Peter Enskat, Bernd Schreiner | 2015-04-28 |
| 8012758 | Method of monitoring microbiological activity in process streams | Michael V. Enzien, Laura E. Rice | 2011-09-06 |