Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013173 | Method of purifying dianhydrides, the dianhydrides formed thereby, and polyetherimides formed therefrom | Beatriz Penalver Bernabe, Vijay Gopalakrishnan, Lioba Maria Kloppenburg, Roy Ray Odle, Eric James Pressman +2 more | 2011-09-06 |
| 7674920 | Methods for preparing oxydiphthalic anhydrides, oxydiphthalic anhydrides prepared thereby, and polyetherimides derived therefrom | Beatriz Penalver Bernabe, Lioba Maria Kloppenburg, Roy Ray Odle, Eric James Pressman, Narayan Ramesh +1 more | 2010-03-09 |