Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4235787 | Benzophenone pentacarboxylic acids and their dianhydrides | Johann G. D. Schulz | 1980-11-25 |
| 4234743 | Isomeric diaminobenzophenonedicarboxylic acids and method for preparing same | Johann G. D. Schulz, Edward T. Sabourin | 1980-11-18 |
| 4228023 | Paraffinic insulating oils containing a diarylalkane | Johann G. D. Schulz, William A. Kofke, Jr. | 1980-10-14 |
| 4228024 | Insulating oil compositions containing a fraction derived from the alkylation product of benzene with ethylene | Johann G. D. Schulz, William A. Kofke, Jr. | 1980-10-14 |
| 4224232 | Production of carboxylic acids from olefins and mixtures of olefins | Johann G. D. Schulz | 1980-09-23 |
| 4219679 | Selective hydrogenation of nitro groups on nitroaromatic acetylenes using an unsupported cobalt polysulfide catalyst | Edward T. Sabourin, Charles M. Selwitz | 1980-08-26 |
| 4216341 | Selective hydrogenation of certain nitroaromatic hydroxy substituted acetylenes over a heterogeneous RuS.sub.2 catalyst | Edward T. Sabourin, Charles M. Selwitz | 1980-08-05 |
| 4215226 | Selective hydrogenation of nitroaromatic acetylenes over an unsupported RuS.sub.2 catalyst | Edward T. Sabourin, Charles M. Selwitz | 1980-07-29 |