Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6008374 | Process for preparing bis (ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Roy Ray Odle, Thomas Link Guggenheim, Ronald A. Greenberg, James Barren, Joseph A. King, Jr. +3 more | 1999-12-28 |
| 5936099 | Process for preparing BIS(ether anhydrides) using alkylamine derived bisimides having low melting temperature | Roy Ray Odle, Thomas Link Guggenheim, Ronald A. Greenberg, James Barren, Joseph A. King, Jr. +3 more | 1999-08-10 |
| 5719295 | Process for preparing bis(ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Roy Ray Odle, Thomas Link Guggenheim, Ronald A. Greenberg, James Barren, Joseph A. King, Jr. +3 more | 1998-02-17 |
| 5536846 | Process for preparing bis(ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Roy Ray Odle, Thomas Link Guggenheim, Ronald A. Greenberg, James Barren, Joseph A. King, Jr. +3 more | 1996-07-16 |
| 5359084 | Method of preparing aromatic ether bisimides | Roy Ray Odle | 1994-10-25 |
| 5262516 | Method for preparing polyetherimide-polyamide copolymers | — | 1993-11-16 |
| 5208346 | Simplified process for the preparation of aromatic bismides | — | 1993-05-04 |
| 5068353 | Synthesis of aromatic bis(ether phthalimide) compounds | — | 1991-11-26 |
| 4910288 | Process for the preparation of polyetherimides | — | 1990-03-20 |
| 4471125 | Method for making aromatic ether imides | John W. Verbicky, Jr. | 1984-09-11 |
| 4455431 | Method for making bis-etherphthalimides | Frank John Williams | 1984-06-19 |
| 4410735 | Method for making bisphenoxide salts | John W. Verbicky, Jr. | 1983-10-18 |
| 4302616 | Method for making alkali metal bisphenoxide salts and bisimides derived therefrom | Frank John Williams | 1981-11-24 |
| 4257953 | Method for making bisphenoxide salts and bisimides derived therefrom | Frank John Williams | 1981-03-24 |