Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822455 | Composition for optical articles and optical articles made therewith | Robert D. Herold | 2020-11-03 |
| 10407540 | Composition for optical articles and optical articles made therewith | Robert D. Herold | 2019-09-10 |
| 9944584 | Method for removing mineral acid from levulinic acid | Brian D. Mullen | 2018-04-17 |
| 9884838 | Stabilized levulinic ester ketals | Brian D. Mullen, Eric Stanley Hall, Matthew J. Tjosaas, Cora M. Leibig | 2018-02-06 |
| 9593093 | Methods for the manufacture of acetals and ketals, and the acetals and ketals produced thereby | Brian D. Mullen, Marc D. Scholten, Andrew J. Louwagie, Steven Donen, Feng Jing | 2017-03-14 |
| 9212176 | Polyketal adducts, methods of manufacture and uses thereof | Brian D. Mullen, Marc D. Scholten, Tara J. Mullen, Cora M. Leibig, Matthew J. Tjosaas | 2015-12-15 |
| 9206275 | Ketal ester derivatives | Sergey Selifonov, Brian D. Mullen, Douglas A. Wicks | 2015-12-08 |
| 9023774 | Ketal compounds and uses thereof | Brian D. Mullen, Chunyong Wu, Tara J. Mullen, Marc D. Scholten | 2015-05-05 |
| 8846817 | Ionic polymers, method of manufacture, and uses thereof | Dorie J. Yontz, Brian D. Mullen, Cora M. Leibig, Marc David Rodwogin, Feng Jing +1 more | 2014-09-30 |
| 8575367 | Ketal ester derivatives | Sergey Selifonov, Brian D. Mullen, Douglas A. Wicks | 2013-11-05 |