Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7281631 | Process for de-inking paper pulp and flotation cell used for this process | Xavier Lacour, Stephan Pottier | 2007-10-16 |
| RE38738 | Cylindrical screen, particularly for paper pulp | Alain Fernandez De Grado | 2005-05-31 |
| 6679384 | Method and means for paper pulp filtering | Alain Fernandez De Grado | 2004-01-20 |
| 6338412 | Cylindrical screen, particularly for paper pulp | Alain Fernandez Degrado | 2002-01-15 |
| 6197153 | Method for de-inking paper pulp from recycled paper | — | 2001-03-06 |
| 5979665 | Paper-pulp deinking method and equipment to implement this method | — | 1999-11-09 |
| 5735472 | Rotating drum comprising screening and mashing chambers for separating paper fibers and contaminants | Roland Fejoz | 1998-04-07 |
| 5697503 | Screening sieves, notably for paper pulp | — | 1997-12-16 |
| 5650044 | Paper-pulp deinking method and equipment to implement this method | — | 1997-07-22 |
| 5624609 | Enhancements to the air injection devices in a paper pulp flow for de-inking thereof | Alain Meuret, Philippe Colin | 1997-04-29 |
| 5131544 | Device for selectively separating particles in a liquid, in particular for cleaning fibrous paper suspensing | Francois Julien Saint Amand | 1992-07-21 |