Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6200455 | Method for reducing the plating of nickel on vessels, piping and cells in an alkali metal hydroxide manufacturing process | John Hegeman, Gary Lee Sulik | 2001-03-13 |
| 6123826 | Method for removal of nickel and iron from alkali metal hydroxide streams without requiring the use of sodium borohydride | John Hegeman, Gary Lee Sulik | 2000-09-26 |
| 6123853 | Method for treating waste water used in alkali metal hydroxide manufacturing processes | John Hegeman, Gary Lee Sulik | 2000-09-26 |
| 6080299 | Method for removal of nickel and iron from alkali metal hydroxide manufacturing process requiring the use of sodium borohydride | John Hegeman, Gary Lee Sulik | 2000-06-27 |