Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885316 | Substituted 5-amidotetrazoles as blowing agents in the production of cellular thermoplastic or rubber materials | Eugene F. Rothgery | 1989-12-05 |
| 4871861 | Substituted 5-amidotetrazoles | Eugene F. Rothgery | 1989-10-03 |
| 4800232 | Process for producing triaminoguanidine nitrate and the high melting point product so produced | Eugene F. Rothgery | 1989-01-24 |