Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11254570 | Process for treating a mixed feed of hydrogen sulfide gas and ammonia gas to produce ammonium thiosulfate and including methodology for emissions control | Olivia Rajchel, Sydney Rajchel | 2022-02-22 |
| 8912001 | Process for high concentration cation exchanges metathesis | Michael F. Ray | 2014-12-16 |
| 8912002 | Process for high concentration cation exchange metathesis | Michael F. Ray | 2014-12-16 |
| 6649136 | Method of cyanide salt production | Michael F. Ray | 2003-11-18 |
| 5551640 | Method of concentrating fine coal slurries | — | 1996-09-03 |