Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656699 | Oligoamide-epichlorohydrin resins as drainage aids | Herbert H. Espy | 1997-08-12 |
| 5633300 | Enhancement of paper dry strength by anionic and cationic guar combination | — | 1997-05-27 |
| 5502091 | Enhancement of paper dry strength by anionic and cationic guar combination | — | 1996-03-26 |
| 5433776 | Stable blend of ketene dimer size and colloidal silica | — | 1995-07-18 |
| 5341103 | Apparatus for simultaneously generating and measuring a triboelectric charge | Blain H. Gingrich, Bernard J. Matyniak, G. Gregory Weaver | 1994-08-23 |
| 5338407 | Enhancement of paper dry strength by anionic and cationic guar combination | — | 1994-08-16 |
| 5318669 | Enhancement of paper dry strength by anionic and cationic polymer combination | — | 1994-06-07 |
| 5275698 | Enhancement of tissue paper softness with minimal effect on strength | Herbert H. Espy | 1994-01-04 |
| 4613520 | Coating compositions | — | 1986-09-23 |
| 4505990 | Coating compositions | — | 1985-03-19 |