Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45383 | Method of using aldehyde-functionalized polymers to enhance paper machine dewatering | Michael R. St. John | 2015-02-24 |
| RE44936 | Aldehyde-functionalized polymers | Michael R. St. John | 2014-06-10 |
| 7901543 | Aldehyde-functionalized polymers | Michael R. St. John | 2011-03-08 |
| 7473334 | Method of preparing modified diallyl-N,N-disubstituted ammonium halide polymers | Jane B. Wong Shing, Alessandra Gerli, Xavier S. Cardoso, Przem Pruszynski, Cathy C. Doucette | 2009-01-06 |
| 6753388 | Structurally-modified polymer flocculants | Wesley L. Whipple, Chidambaram Maltesh, Cathy C. Johnson, Ananthasubramanian Sivakumar, Tracey M. Guddendorf | 2004-06-22 |
| 6605674 | Structurally-modified polymer flocculants | Wesley L. Whipple, Chidambaram Maltesh, Cathy C. Johnson, Ananthasubramanian Sivakumar, Tracey M. Guddendorf | 2003-08-12 |
| 6517677 | Method of improving retention and drainage in a papermaking process using low molecular weight cationic dispersion polymers | Richard P. Cardile, John W. Sparapany, Cathy C. Johnson | 2003-02-11 |
| 6398967 | Method of clarifying water using low molecular weight cationic dispersion polymers | John W. Sparapany, Richard P. Cardile, Cathy C. Johnson | 2002-06-04 |
| 6303722 | Method for preparing (co)polymers having a narrow molecular weight distribution | Christof Mehler, Thieo E. Hogen-Esch, Axel Muller | 2001-10-16 |
| 5610248 | Block copolymers and a novel method for preparing (co)polymers having a narrow molecular weight distribution by metal-free anionic polymerization in the presence of a phosphonium cation | Thieo E. Hogen-Esch | 1997-03-11 |