Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338222 | Method of making a biphenol dianhydride composition, method for purification of a biphenol dianhydride, and poly(etherimide)s derived from the biphenol dianhydride | James Patrick Schulte, II, Dadasaheb V. Patil | 2025-06-24 |
| 11623908 | Method for purification of a biphenol tetraacid composition and a biphenol tetraacid composition | James Patrick Schulte, II | 2023-04-11 |
| 11292879 | Methods for the manufacture of polyetherimides and polyetherimides made by the method | Carmen Rocio Misiego Arpa, Edward Venema, Bernabe Quevedo Sanchez, Javier Nieves Remacha | 2022-04-05 |
| 11220480 | Synthesis of reactive intermediates for polyetherimides, and uses thereof | Thomas Link Guggenheim, Hendrich Chiong, Bernabe Quevedo Sanchez, Carmen Rocio Misiego Arpa, Javier Nieves Remacha | 2022-01-11 |
| 10584211 | Method for reducing yellowness index of a polyetherimide, polyetherimide having a reduced yellowness index, and compositions and articles comprising the polyetherimide | Javier Nieves Remacha, Bernabe Quevedo Sanchez | 2020-03-10 |
| 10435511 | Polyetherimide of improved color and process of preparing | Thomas Link Guggenheim, Maria Patricia Forcen Jimenez, Javier Nieves Remacha, Bernabe Quevedo Sanchez | 2019-10-08 |
| 8372941 | Method for purification of polyether polymers and mixtures resulting therefrom | Beatriz Penalver Bernabe, Thomas Link Guggenheim, David Bruce Hall, Norman Johnson, David Woodruff | 2013-02-12 |