Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10825947 | Radiation detector and method for producing same | Adam Rämer | 2020-11-03 |
| 10519602 | Polymer for pitch and stickies deposition control in papermaking | Xiaojin Harry Li, Ross T. Gray, Robert M. Lowe, David Jordan, Zhengang Zong | 2019-12-31 |
| 9932709 | Processes and compositions for brightness improvement in paper production | Prasad Y. Duggirala | 2018-04-03 |
| 9562861 | Method of monitoring macrostickies in a recycling and paper or tissue making process involving recycled pulp | William A. Von Drasek, Brett Brotherson, Michael J. Murcia | 2017-02-07 |
| 9372681 | Redirection of a document URL to a natively-operating application | Sriram Saroop | 2016-06-21 |
| 9068293 | Method for improving brightness in bleached pulp | Prasad Y. Duggirala | 2015-06-30 |
| 9063080 | Method of deposition monitoring | Prasad Y. Duggirala, Michael J. Murcia | 2015-06-23 |
| 8992688 | Lignin separation from lignocellulosic hydrolizates and acidified pulp mill liquors | Jane B. Wong Shing, Olivier Clot | 2015-03-31 |
| 8728275 | Glycerol-based polymers for reducing deposition of organic contaminants in papermaking processes | Xiaojin Harry Li, Paul Richardson | 2014-05-20 |
| 8617356 | Compositions and processes for paper | Prasad Y. Duggirala | 2013-12-31 |
| 8500957 | Enhanced method for monitoring the deposition of organic materials in a papermaking process | Michael J. Murcia | 2013-08-06 |
| 8303768 | Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators | Prasad Y. Duggirata, Dmitri L. Kouznetsov | 2012-11-06 |
| 8262852 | Method for improving fiber quality and process efficiency in mechanical pulping | Prasad Y. Duggirala | 2012-09-11 |
| 8262858 | Compositions and processes for paper production | Prasad Y. Duggirala, Katherine M. Broadus | 2012-09-11 |
| 8246780 | Methods for enhancing brightness and resistance to thermal yellowing of bleached kraft pulp and paper | Prasad Y. Duggirala | 2012-08-21 |
| 8133356 | Method of monitoring microbiological deposits | Michael J. Murcia, Patrick J. Macuch | 2012-03-13 |
| 8092649 | Method of decreasing the rate of photoyellowing with thiocyanic acid | Prasad Y. Duggirala | 2012-01-10 |
| 7985318 | Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators | Prasad Y. Duggirala, Dmitri L. Kouznetsov | 2011-07-26 |
| 7914646 | Compositions and processes for paper production | Prasad Y. Duggirala, Katherine M. Broadus | 2011-03-29 |
| 7842165 | Enhanced method for monitoring the deposition of organic materials in a papermaking process | Michael J. Murcia, Rodney H. Banks | 2010-11-30 |
| 7351764 | Methods to enhance brightness of pulp and optimize use of bleaching chemicals | Prasad Y. Duggirala | 2008-04-01 |
| 7229525 | Methods to enhance pulp bleaching and delignification | Prasad Y. Duggirala, Kristine S. Salmen | 2007-06-12 |
| 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 | Dmitri L. Kouznetsov, Prasad Y. Duggirala | 2005-09-13 |
| 6702921 | Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent | Prasad Y. Duggirala, Kristine S. Salmen | 2004-03-09 |
| 6527914 | Method of enhancing brightness and brightness stability of paper made with mechanical pulp | Prasad Y. Duggirala | 2003-03-04 |