Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888106 | Method of using polymeric sulfide mineral depressants | D. R. Nagaraj | 1989-12-19 |
| 4866150 | Polymeric sulfide mineral depressants | D. R. Nagaraj | 1989-09-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888106 | Method of using polymeric sulfide mineral depressants | D. R. Nagaraj | 1989-12-19 |
| 4866150 | Polymeric sulfide mineral depressants | D. R. Nagaraj | 1989-09-12 |