Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300505 | Method and apparatus for improving the uniformity of distribution of a phosphorus-containing agent throughout a maleic anhydride catalytic reactor | William H. Alumbaugh, Lamar A. Reeves | 2001-10-09 |
| 6120654 | Process for the purification of maleic anhydride | Henry C. Brown, William H. Alumbaugh | 2000-09-19 |
| 6090245 | Process for the purification of maleic anhydride | Henry C. Brown, William H. Alumbaugh | 2000-07-18 |
| 5972174 | Process for the purification of maleic anhydride | Henry C. Brown, William H. Alumbaugh | 1999-10-26 |
| 4250001 | Pretreatment of cathodes in electrohydrodimerization of acrylonitrile | William A. Heckle | 1981-02-10 |