Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8932433 | Retention and drainage in the manufacture of paper | Frank J. Sutman, John C. Harrington | 2015-01-13 |
| 8388806 | Hydrophobically modifed poly[ethylene glycol] for use in pitch and stickies control in pulp and papermaking processes | Qu-Ming Gu, Huai N. Cheng, William S. Carey, Jennifer L. Rittenhouse-Pruss, Erin A. S. Doherty | 2013-03-05 |
| 8308902 | Retention and drainage in the manufacture of paper | Frank J. Sutman, John C. Harrington | 2012-11-13 |
| 8206553 | Retention and drainage in the manufacture of paper | Erin A. S. Doherty | 2012-06-26 |
| 7429625 | Inversion of inverse emulsion polymers | John C. Harrington, K. Abraham Vaynberg | 2008-09-30 |
| 7344607 | Non-chromate conversion coating treatment for metals | Jeffrey I. Melzer, Andrea Keys, Michael T. Raab | 2008-03-18 |
| 7317053 | Compositions for imparting desired properties to materials | Matthew B. Howle, Andrea Keys, William W. Maslanka, Jeffrey I. Melzer, Michael T. Raab +2 more | 2008-01-08 |
| 6602994 | Derivatized microfibrillar polysaccharide | Mary Cash, Anita N. Chan, Herbert T. Conner, Patrick J. Cowan, Kate Marritt Lusvardi +2 more | 2003-08-05 |
| 6586520 | Compositions for imparting desired properties to materials | James Canorro, Matthew B. Howle, Andrea Keys, JoAnne Lefever, William W. Maslanka +7 more | 2003-07-01 |
| 5904808 | Processes and compositions for repulping wet strength paper and paper products | Josette S. Hyunh-Ba | 1999-05-18 |
| 4689408 | Method of preparing salts of carboxymethylcellulose | Eleanor C. Hawkins | 1987-08-25 |
| 4650716 | Novel salts of carboxymethylcellulose | — | 1987-03-17 |