Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9193829 | Polyetherimides, methods of manufacture, and articles formed therefrom | Juan Justino Rodriguez Ordonez, Thomas Link Guggenheim, Gregory L. Hemmer, Roy Ray Odle | 2015-11-24 |
| 9181396 | Polyetherimides, methods of manufacture, and articles formed therefrom | Juan Justino Rodriguez Ordonez, Thomas Link Guggenheim, Gregory L. Hemmer, Roy Ray Odle | 2015-11-10 |
| 8729214 | Mixtures resulting from methods for purification of polyether polymers | Thomas Link Guggenheim, David Bruce Hall, Norman Johnson, Juan Justino Rodriguez Ordonez, David Woodruff | 2014-05-20 |
| 8372941 | Method for purification of polyether polymers and mixtures resulting therefrom | Thomas Link Guggenheim, David Bruce Hall, Norman Johnson, Juan Justino Rodriguez Ordonez, David Woodruff | 2013-02-12 |
| 8013173 | Method of purifying dianhydrides, the dianhydrides formed thereby, and polyetherimides formed therefrom | Vijay Gopalakrishnan, Lioba Maria Kloppenburg, Matt Kuhlman, Roy Ray Odle, Eric James Pressman +2 more | 2011-09-06 |
| 7863463 | Method of purifying dianhydrides | Eric James Pressman, Albert Santo Stella, Lioba Maria Kloppenburg, Lee H. Bergman | 2011-01-04 |
| 7674920 | Methods for preparing oxydiphthalic anhydrides, oxydiphthalic anhydrides prepared thereby, and polyetherimides derived therefrom | Lioba Maria Kloppenburg, Matt Kuhlman, Roy Ray Odle, Eric James Pressman, Narayan Ramesh +1 more | 2010-03-09 |