Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801669 | Process for the quasi-ionic polymerization of acrylic acid derivatives | Karl-Erwin Piejko, Ralph Ostarek | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801669 | Process for the quasi-ionic polymerization of acrylic acid derivatives | Karl-Erwin Piejko, Ralph Ostarek | 1989-01-31 |