Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365073 | Derivatives of cyano-substituted ketones and aldehydes | Robert Lee Reierson | 1982-12-21 |
| 4331549 | Hydraulic fluids containing cyano derivatives of ketones | — | 1982-05-25 |
| 4322538 | Preparation of symmetrical tetrachloropyridine | Gail E. Vrieland, Richard E. Crooks | 1982-03-30 |
| 4321389 | Process for preparing 4-bromotetrachloropyridine | G. Edwin Vrieland, Richard E. Crooks | 1982-03-23 |
| 4320024 | Hydraulic fluids containing cyano derivatives of cyclic ketals and acetals | Robert Lee Reierson, Joseph W. Hanafin | 1982-03-16 |