Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324501 | Method for the preparation of low-chloride plaster products from calcium-containing residues of flue-gas purification plants | Diethel M. Koehnk | 1994-06-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324501 | Method for the preparation of low-chloride plaster products from calcium-containing residues of flue-gas purification plants | Diethel M. Koehnk | 1994-06-28 |