Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834890 | Blends of polymers as wet strengthening agents for paper | Cornel Hagiopol, David F. Townsend, Clay E. Ringold, Robert McDonald, Metric M. Simpson +1 more | 2017-12-05 |
| 9695552 | Wet strengthened fiber products, wet strengthening resins, and methods for making and using same | Cornel Hagiopol, David F. Townsend, Clay E. Ringold | 2017-07-04 |
| 9689114 | Strengthening resins for paper products | Clay E. Ringold, Cornel Hagiopol, Frederick S. Potter | 2017-06-27 |