Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358368 | Process for the froth flotation of calcium phosphate-containing minerals and flotation agents therefor | Anders Klingberg | 1982-11-09 |
| 4315755 | Hydrocarbon oils containing 1 to 10 percent emulsified water and emulsifiers therefor | Inger G. Johansson, Birgit Tora Gunvor Karlsson | 1982-02-16 |