Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341644 | Quaternary ammonium salt mixtures | Yvan Bisschops, Emmanuel Draguez Tripels de Hault, Alain Delaby | 1982-07-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341644 | Quaternary ammonium salt mixtures | Yvan Bisschops, Emmanuel Draguez Tripels de Hault, Alain Delaby | 1982-07-27 |