Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827845 | Formation of hydroxy aryl carboxylic acids and esters | William L. Embry, Kenneth W. Barnett | 1989-05-09 |
| 4661296 | HF separation in a carbonylation process | Bhupendra Chandrashanker Trivedi, Thomas O. Mason | 1987-04-28 |
| 4582571 | Separation of tantalum or antimony pentafluoride from isobutyryl fluoride and anhydrous hydrogen fluoride | Robert A. Grimm | 1986-04-15 |
| 4451670 | Preparation of isobutyryl fluoride | Robert A. Grimm, Richard V. Norton | 1984-05-29 |
| 4303594 | Process for the production of isobutyric acid anhydride | Richard V. Norton, Lee R. Zehner, Ralph F. Pascoe, John E. Corn | 1981-12-01 |
| 4270983 | Liquid-liquid extraction of isobutyric acid from aqueous HF solutions thereof | Bhupendra Chandrashanker Trivedi, Thomas O. Mason | 1981-06-02 |