Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081183 | Method of deresinating pulp using alkyl alcohol alkoxylate surfactants | James J. Svarz | 2006-07-25 |
| 6942782 | Method and apparatus for measuring deposit forming capacity of fluids using an electrochemically controlled pH change in the fluid proximate to a piezoelectric microbalance | Sergey M. Shevchenko, Dmitri L. Kouznetsov | 2005-09-13 |
| 6702921 | Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent | Sergey M. Shevchenko, Kristine S. Salmen | 2004-03-09 |
| 6527914 | Method of enhancing brightness and brightness stability of paper made with mechanical pulp | Sergey M. Shevchenko | 2003-03-04 |
| 6440327 | Polymers and use thereof as scale inhibitors | Sergey M. Shevchenko | 2002-08-27 |
| 6375829 | Method and apparatus for measuring scaling capacity of calcium oxalate solutions using an electrochemically controlled pH change in the solution proximate to a piezoelectric microbalance | Sergey M. Shevchenko, Dmitri L. Kouznetsov | 2002-04-23 |
| 6235152 | Process for treating an aqueous liquid containing forming calcium scale salts by adding a copolymer of 1,2-dihdroxy-3-butene antiscalant | John D. Morris, Peter E. Reed, Steven John Severtson | 2001-05-22 |
| 6232419 | Process for the inhibition of scale in harsh systems and novel antiscalants for same | John D. Morris, Peter E. Reed, Steven John Severtson | 2001-05-15 |
| 6146495 | Kraft process for the production of wood pulp by adding a copolymer of 1,2-dihydroxy-3-butene antiscalant | John D. Morris, Peter E. Reed, Steven John Severtson | 2000-11-14 |