Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10155058 | Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance | Joseph R. Wegner, Erin Brown, Paul J. Zinn, Robert Walicki, Lanhua Hu | 2018-12-18 |
| 9867895 | Use of fluorescent polymers in marking compositions for the diagnostic determination of cleaning performance | Joseph R. Wegner, Erin Brown, Paul J. Zinn, Robert Walicki, Lanhua Hu | 2018-01-16 |