Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331461 | Black liquor viscosity reducing and anti-scale agent | Luiz Wanderley Bratfisch Pace | 2025-06-17 |
| 11905655 | Black liquor viscosity reducing and anti-scale agent | Luiz Wanderley Bratfisch Pace | 2024-02-20 |
| 10000393 | Enhancement of dewatering using soy flour or soy protein | Weiguo Cheng, Darlington Mlambo, Tarun Kumar Bera, Luiz Wanderley Bratfisch Pace | 2018-06-19 |
| 9932709 | Processes and compositions for brightness improvement in paper production | Sergey M. Shevchenko | 2018-04-03 |
| 9416490 | Cross-linked glycerol based polymers as digestion aids for improving wood pulping processes | Xiaojin Harry Li | 2016-08-16 |
| 9068293 | Method for improving brightness in bleached pulp | Sergey M. Shevchenko | 2015-06-30 |
| 9063080 | Method of deposition monitoring | Sergey M. Shevchenko, Michael J. Murcia | 2015-06-23 |
| 8884049 | Glycerol based polymer surface active chemistry and production | Xiaojin Harry Li, Joanna L. Shih | 2014-11-11 |
| 8858759 | Enhancement of sheet dewatering using soy flour or soy protein | Weiguo Cheng, Luiz Wanderley Bratfisch Pace | 2014-10-14 |
| 8617356 | Compositions and processes for paper | Sergey M. Shevchenko | 2013-12-31 |
| 8466204 | Deinking a cellulosic substrate using magnesium hydroxide | Michael J. Murcia | 2013-06-18 |
| 8440052 | Method and arrangement for feeding chemicals into a pulp process stream | Michael J. Murcia, Tommy Jacobson, Mika Salonen, Martti Latva | 2013-05-14 |
| 8366877 | Lipohydrophilic glycerol based polymers as digestion aids for improving wood pulping processes | Xiaojin Harry Li | 2013-02-05 |
| 8317974 | Deinking a cellulosic substrate using magnesium hydroxide | Michael J. Murcia | 2012-11-27 |
| 8262852 | Method for improving fiber quality and process efficiency in mechanical pulping | Sergey M. Shevchenko | 2012-09-11 |
| 8262858 | Compositions and processes for paper production | Sergey M. Shevchenko, Katherine M. Broadus | 2012-09-11 |
| 8246780 | Methods for enhancing brightness and resistance to thermal yellowing of bleached kraft pulp and paper | Sergey M. Shevchenko | 2012-08-21 |
| 8133350 | Deinking a cellulosic substrate using magnesium silicate | Michael J. Murcia | 2012-03-13 |
| 8133351 | Deinking a cellulosic substrate using magnesium hydroxide | Michael J. Murcia | 2012-03-13 |
| 8092649 | Method of decreasing the rate of photoyellowing with thiocyanic acid | Sergey M. Shevchenko | 2012-01-10 |
| 7985318 | Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators | Sergey M. Shevchenko, Dmitri L. Kouznetsov | 2011-07-26 |
| 7914646 | Compositions and processes for paper production | Sergey M. Shevchenko, Katherine M. Broadus | 2011-03-29 |
| 7504478 | Additives for increasing the separation yield of tall oil soap from black liquors | James J. Svarz, Grady E. Worley | 2009-03-17 |
| 7351764 | Methods to enhance brightness of pulp and optimize use of bleaching chemicals | Sergey M. Shevchenko | 2008-04-01 |
| 7229525 | Methods to enhance pulp bleaching and delignification | Sergey M. Shevchenko, Kristine S. Salmen | 2007-06-12 |