Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853207 | Process for the manufacture of vitreous metal oxides | Henri Wautier, Luc Lerot | 1989-08-01 |
| 4845290 | Process for the preparation of hydroxylamines and products thereby obtained | Paul Deschrijver | 1989-07-04 |
| 4830993 | Process for the manufacture of a metal oxide powder for ceramic materials and zirconia powder produced by this process | Patricia Van den Bossche-De Bruycker, Luc Lerot | 1989-05-16 |
| 4798710 | Process for the manufacture of a powder for ceramic materials, containing at least one metal oxide | Patricia De Bruycker | 1989-01-17 |