Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814399 | Sulfoalkylation of polybenzimidazole | Balaram Gupta, Robert W. Stackman | 1989-03-21 |
| 4734466 | Modified polybenzimidazole polymer membranes | Andrew Kindler, Esther A. Bower, Joseph J. Rafalko | 1988-03-29 |
| 4693824 | Process for the production of polybenzimidazole ultrafiltration membranes | — | 1987-09-15 |
| 4666996 | Crosslinking of polybenzimidazole polymer with divinyl sulfone | — | 1987-05-19 |
| 4460710 | Catalytic method for synthesizing hydrocarbons | Richard Sapienza, William A. Slegeir | 1984-07-17 |
| 4396539 | Hydrocarbon synthesis catalyst and method of preparation | Richard Sapienza, William A. Slegeir | 1983-08-02 |