Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6103795 | Continuous process for preparing acrylate based pigment preparations | Johannes Leugs, Johan Victor Marie Winteraeken, Maria Gerardus Legnardus Delamboy, Adrianus Hendrikus Van Rooijen | 2000-08-15 |
| 5905111 | Continuous process for preparing acrylate based pigment preparations | Johannes Leugs, Johan Victor Marie Winteraeken, Maria Gerardus Legnardus Delamboy, Adrianus Hendrikus Van Rooijen | 1999-05-18 |
| 5007963 | Novel process for the preparation of lead molybdate pigments and novel lead molybdate pigments | Leonardus Johannes Hubertus Erkens, Herman J. J. M. Geurts, Hubertus P. A. Gielkens | 1991-04-16 |
| 4921541 | Orthorhombic greenish-tinged lead chromate pigments | Leonardus Johannes Hubertus Erkens, Herman J. J. M. Geurta, Jean L. G. M. Vandevenne | 1990-05-01 |
| 4872915 | Orthorhombic lead chromate pigments of greenish hue | Leonardus Johannes Hubertus Erkens, Jacobus-Michiel-Hubertus Snijders, Herman J. J. M. Geurts, Andre Pugin | 1989-10-10 |