Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10011542 | Methods of measuring pH in refinery streams | Roger D. Metzler | 2018-07-03 |
| 9944577 | Hydroquinone compounds for inhibiting monomer polymerization | Roger D. Metzler | 2018-04-17 |
| 9884795 | Quinone compounds for inhibiting monomer polymerization | Roger D. Metzler | 2018-02-06 |
| 9687779 | Control of carbonyl sulfide with sodium borohydride in caustic towers for petroleum/petrochemical processes | Roger D. Metzler | 2017-06-27 |
| 9611336 | Quinone compounds for inhibiting monomer polymerization | Roger D. Metzler | 2017-04-04 |