Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640767 | Hydrocarbon extraction agents and microbiological processes for their production | Donald F. Gerson | 1987-02-03 |
| 4559305 | Microbial culture system | Martha A. Hill, Donald F. Manchester, Karel Muzika | 1985-12-17 |
| 4432887 | De-emulsification agents of microbiological origin | David G. Cooper | 1984-02-21 |
| 4355109 | Microbiological production of novel biosurfactants | Donald F. Gerson, Richard K. Gerson, Chandrakant J. Panchal | 1982-10-19 |
| 4211645 | Foam flotation activated sludge process | Martha A. Hill, Donald F. Manchester, Karel Muzika | 1980-07-08 |