Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10654790 | Recovery process for functionalized compound reaction product | Jay Kouba | 2020-05-19 |
| 7070694 | Purification of fluid compounds utilizing a distillation - membrane separation process | Craig W. Colling, George A. Huff, Jr. | 2006-07-04 |
| 4933491 | Method for purifying a crude naphthalene dicarboxylic acid | Rusins Albertins, Juergen K. Holzhauer, Hobe Schroeder | 1990-06-12 |
| 4748268 | Continuous process for production of methacrylic acid ester of C.sub.1 to C.sub.4 aliphatic alcohol | Houssam M. Naim | 1988-05-31 |
| 4311521 | Membrane separation of catalyst metals from trimellitic acid production and separation of cobalt from manganese | Jon J. Harper | 1982-01-19 |
| 4309390 | Separation of cobalt and manganese from trimellitic acid process residue by extraction, pH adjustment, and magnet | Jon J. Harper | 1982-01-05 |
| 4308240 | Recovery of cobalt and manganese from ash of residue from manufacture of trimellitic acid by acid extraction | Jon J. Harper | 1981-12-29 |
| 4298580 | Separation of cobalt and manganese from trimellitic acid process residue by precipitating as carbonates, redissolving as halides and removing cobalt by magnetic means | Jon J. Harper | 1981-11-03 |
| 4298759 | Separation of cobalt and manganese from trimellitic acid process residue by extraction, ion exchanger and magnet | Jon J. Harper | 1981-11-03 |