Issued Patents All Time
Showing 126–140 of 140 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5113015 | Recovery of acetic acid from methyl acetate | Keith D. Larson, Kristi A. Fjare | 1992-05-12 |
| 4746167 | Portable, knock-down massage chair | Serge J. L. Bouyssou, James E. Everett | 1988-05-24 |
| 4670473 | Syn gas conversion | Robert H. Walker, Donna M. Salvatore, Edward J. Bernier, Jr. | 1987-06-02 |
| 4648028 | Color enhanced display for a numerical control system | Joseph E. Deklotz, Thomas E. Manuel | 1987-03-03 |
| 4520650 | Field-portable calibration unit for electromagnetic flow meters | James K. Palmer | 1985-06-04 |
| 4342699 | Process for production of maleic anhydride | Juergen K. Holzhauer | 1982-08-03 |
| 4234494 | Formation, purification and recovery of phthalic anhydride | Hobe Schroeder | 1980-11-18 |
| 4233227 | Phthalic anhydride formation and separation | Hobe Schroeder | 1980-11-11 |
| 4220596 | Separation of phthalic anhydride from vapor mixture also containing water vapor | Jeffrey H. Schott, Hobe Schroeder | 1980-09-02 |
| 4215056 | Formation, purification and recovery of phthalic anhydride | Hobe Schroeder | 1980-07-29 |
| 4215051 | Formation, purification and recovery of phthalic anhydride | Hobe Schroeder | 1980-07-29 |
| 4215054 | Production of liquid ortho-phthalic acid and its conversion to high purity phthalic anhydride | Hobe Schroeder, George E. Kuhlmann, Sydney G. Horsfield | 1980-07-29 |
| 4215053 | Production of ortho-phthalic acid and its conversion and recovery of phthalic anhydride | George E. Kuhlmann, Houssam M. Naim, Nicholas C. Huie, Hobe Schroeder | 1980-07-29 |
| 4215052 | Production of liquid ortho-phthalic acid and its conversion to high purity phthalic anhydride | Hobe Schroeder, George E. Kuhlmann, Houssam M. Naim, Nicholas C. Huie | 1980-07-29 |
| 4215055 | Production of liquid ortho-phthalic acid and its conversion to high _purity phthalic anhdyride | George E. Kuhlmann, Sydney G. Horsfield, Hobe Schroeder | 1980-07-29 |