Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324787 | Modification of poly (vinylamine) | Robert K. Pinschmidt, Jr., Andrew F. Nordquist | 1994-06-28 |
| 5281307 | Crosslinked vinyl alcohol/vinylamine copolymers for dry end paper addition | Lloyd M. Robeson, George Davidowich, Gerald D. Miller, William Eamon Carroll | 1994-01-25 |
| 5232553 | Fines retention in papermaking with amine functional polymers | Robert K. Pinschmidt, Jr., Andrew F. Nordquist, Timothy L. Pickering | 1993-08-03 |
| 5185083 | Separation of solids from aqueous suspensions using modified amine functional polymers | Thomas P. McAndrew, Robert K. Pinschmidt, Jr., Andrew F. Nordquist | 1993-02-09 |