Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12024572 | Method for cleaning a polymerisation reactor | Hans-Peter Weitzel | 2024-07-02 |
| 11591423 | Method for producing aqueous polymer dispersions in a tube reactor | Hans-Peter Weitzel | 2023-02-28 |
| 8569432 | Semi-continuous method for emulsion polymerisation | Hans-Peter Weitzel | 2013-10-29 |
| 8153735 | Continuous polymerization process | Hans-Peter Weitzel | 2012-04-10 |
| 6809174 | Process for reclaiming residual ethylene in the preparation of vinyl ethylene copolymers | Hans-Peter Weitzel | 2004-10-26 |
| 6770722 | Process for preparing protective-colloid-stabilized polymers by continuous emulsion polymerization | Hans-Peter Weitzel | 2004-08-03 |
| 6201062 | Method for producing protective colloid-free dispersions and dispersion powders | Hans-Peter Weitzel, Reiner Figge | 2001-03-13 |
| 6197871 | Thickeners based on carboxyl-and carboxamido-containing addition polymers | Hans-Peter Weitzel | 2001-03-06 |
| 6054523 | Aqueous dispersions of organopolysiloxanes | Rudolf Braun, Karl Braunsperger, Herbert Sollradl, Stefan Oberneder | 2000-04-25 |