Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8822597 | Increasing rubber phase volume in rubber-modified polystyrene | Carlos DeAnda, Graciela Morales, Jose M. Sosa | 2014-09-02 |
| 8809459 | Polystyrene blends | Camille Grossetete, Jose M. Sosa, Shane Steagall, Carlos Corletto | 2014-08-19 |
| 8691914 | High impact polystyrene with high gloss and high impact strength | Likuo Sun, Jon Tippet | 2014-04-08 |
| 8653187 | Use of nano alumina or silica dispersed in polystyrene | James R. Butler | 2014-02-18 |
| 8592535 | Ziegler-natta catalyst systems and polymers formed therefrom | Kayo Vizzini, Lei Zhang | 2013-11-26 |
| 8501653 | Heat-treated Ziegler-Natta catalysts for ethylene polymerization | Lei Zhang | 2013-08-06 |
| 8389636 | Polystyrene blends | Camille Grossetete, Jose M. Sosa, Shane Steagall, Carlos Corletto | 2013-03-05 |
| 8383751 | High melt strength polystyrene and methods of making same | Wei Wang | 2013-02-26 |
| 8268943 | Preparation of supported chromium catalyst and polymerization process | Ricky McCormick | 2012-09-18 |
| 8258246 | Preparation of supported chromium catalyst and polymerization process | Ricky McCormick | 2012-09-04 |
| 8242212 | Polystyrene blends | Camille Grossetete, Jose M. Sosa, Shane Steagall, Carlos Corleto | 2012-08-14 |
| 8110644 | Bimodal pipe resin and products made therefrom | Tim Coffy, Steven D. Gray, Cyril Chevillard, David Rauscher, Carlos Corleto +7 more | 2012-02-07 |
| 8063139 | Methods of making styrenic polymeric compositions and methods of using same | — | 2011-11-22 |
| 8063159 | Process for controlling morphology of Ziegler-Natta catalysts | Kayo Vizzini, Henry Enriquez, Steven D. Gray, Tim Coffy | 2011-11-22 |
| 8003741 | Ziegler-Natta catalyst | Kayo Vizzini | 2011-08-23 |
| 7473664 | Formation of Ziegler-Natta catalyst | Kayo Vizzini, Steven D. Gray, David Rauscher, Tim Coffy, Henry Enriquez | 2009-01-06 |
| 7282546 | Cocatalysts for reduction of production problems in metallocene-catalyzed polymerizations | Steven D. Gray, Henry Enriquez | 2007-10-16 |
| 6930071 | Ziegler-natta catalyst for polyolefins | Tim Coffy, Henry Enriquez, Steven D. Gray | 2005-08-16 |
| 6864207 | Ziegler-Natta catalyst for polyolefins | Tim Coffy, Henry Enriquez, Steven D. Gray | 2005-03-08 |