Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10711401 | High efficiency wet strength resins from new cross-linkers | Clay E. Ringold, Cornel Hagiopol | 2020-07-14 |
| 9982395 | High efficiency wet strength resins from new cross-linkers | Clay E. Ringold, Cornel Hagiopol, Brian L. Swift, David R. Snead | 2018-05-29 |
| 9777436 | High efficiency wet strength resins from new cross-linkers | Clay E. Ringold, Cornel Hagiopol | 2017-10-03 |
| 9045862 | High efficiency wet strength resins from new cross-linkers | Clay E. Ringold, Cornel Hagiopol | 2015-06-02 |
| 8246781 | Thermosetting creping adhesive with reactive modifiers | Clay E. Ringold, Karla D. Favors, David F. Townsend, Thomas L. Wright, Cornel Hagiopol | 2012-08-21 |
| 7868071 | Method of stabilizing aqueous cationic polymers | Yuping Luo, Clay E. Ringold, Cornel Hagiopol | 2011-01-11 |
| 7718035 | Phosphoric acid quenched creping adhesive | Jeffery J. Boettcher, Nancy S. Clungeon, Hung Liang Chou, Clay E. Ringold | 2010-05-18 |