Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12065527 | Aqueous glyoxalated polyacrylamide composition | Daniel F. Varnell | 2024-08-20 |
| 9783933 | Modified vinylamine-containing polymers and their use in papermaking | Sachin Borkar, Qu-Ming Gu, Joseph M. Mahoney, Kate Marritt Lusvardi, Mingxiang Luo | 2017-10-10 |
| 9719212 | Process to improve performance of wet-strength resins through base activation | Mark T. Crisp, Michael A. Evans, Ashley Hawkins Lewis, Jeffrey H. Peltier, Bryan K. Spraul | 2017-08-01 |
| 9121137 | Dispersible articles and methods of making the same | Helen Viazmensky, Martyn DAVIS, Marc C. Putnam, Joel E. Goldstein, Jerry Ballas +1 more | 2015-09-01 |
| 8604134 | Modified vinylamine-containing polymers as additives in papermaking | Qu-Ming Gu, Jonathan M. McKay | 2013-12-10 |
| 8518215 | Quaternary vinylamine-containing polymers as additives in papermaking | Jonathan M. McKay, Qu-Ming Gu | 2013-08-27 |
| 8101710 | Membrane separation process for removing residuals from polyamine-epihalohydrin resins | Stephen Vinciguerra | 2012-01-24 |
| 7932349 | Membrane separation process for removing residuals polyamine-epihalohydrin resins | Steven Vinciguerra | 2011-04-26 |
| 7303652 | Reduced byproduct high solids polyamine-epihalohydrin compositions | Ronald Busink, Massimo Berri, Wilm Stevels | 2007-12-04 |
| 7175740 | Reduced by product polyamine-epihalohydrin resins | Anthony J. Allen, Michaela Hofbauer, Alfred Haandrikman, Ronald Busink, Mark T. Crisp +5 more | 2007-02-13 |
| 7081512 | Treatment of resins to lower levels of CPD-producing species and improve gelation stability | — | 2006-07-25 |
| 6554961 | Reduced byproduct polyamine-epihalohydrin resins | Anthony J. Allen, Michaela Hofbauer, Alfred Haandrikman, Ronald Busink, Mark T. Crisp +5 more | 2003-04-29 |
| 6429267 | Process to reduce the AOX level of wet strength resins by treatment with base | — | 2002-08-06 |
| 6325893 | Alkaline paper surface sizing agents, method of use and surface sized paper | Clement L. Brungardt, Jian Zhang | 2001-12-04 |
| 6197919 | Resins of amphoteric aldehyde polymers and use of said resins as temporary wet-strength or dry-strength resins for paper | Mark T. Crisp | 2001-03-06 |
| 6175022 | Alcohol-terminated ketene multimer sizing agents | Clement L. Brungardt, Ian Vallance, Jian Zhang | 2001-01-16 |
| 6048392 | Alkaline paper surface sizing agents | Clement L. Brungardt, Jian Zhang | 2000-04-11 |
| 5846663 | Method of surface sizing paper comprising surface sizing paper with 2-oxetanone ketene multimer sizing agent | Clement L. Brungardt, Jian Zhang | 1998-12-08 |
| H1629 | Poly(aminoamideureylene) resin, its synthesis, and its use in paper and | Ronald R. Staib | 1997-01-07 |