Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4463316 | Method and apparatus for determining the dynamic surface potential of a solution | Joseph L. Messens, Roland F. Beels | 1984-07-31 |
| 4311787 | Photographic silver halide materials containing dispersed light-absorbing merostyryl dyes | Raymond Gerard Lemahieu, Felix J. Moelants | 1982-01-19 |
| 4292402 | Light-sensitive silver halide materials containing fluorine-containing surfactants | Robert J. Pollet, Hendrik E. Kokelenberg, Rafael P. Samijn, Francis J. Sels, Nikolaas C. de Jaeger | 1981-09-29 |