Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5428075 | Method for regenerating a sulfonated aromatic organic polymeric ion-exchange resin bed having deactivated aminoorganomercaptan groups with phenol | Sheldon J. Shafer | 1995-06-27 |
| 5414151 | Method for making bisphenol | Sheldon J. Shafer | 1995-05-09 |
| 5399734 | Method for making aromatic organic carbonates | Joseph A. King, Jr., Patricia Denise Mackenzie | 1995-03-21 |
| 5312955 | Method for making aromatic organic carbonates | Sheldon J. Shafer | 1994-05-17 |
| 5284964 | Method for making aromatic carbonates | Joseph A. King, Jr. | 1994-02-08 |
| 5231210 | Method for making aromatic carbonates | Richard P. Joyce, Joseph A. King, Jr. | 1993-07-27 |
| 4791145 | Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom | — | 1988-12-13 |
| 4728675 | Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom | — | 1988-03-01 |
| 4695594 | Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom | — | 1987-09-22 |
| 4584416 | Method and catalyst for making bisphenol | Paul R. Willey | 1986-04-22 |