Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648518 | Process for producing esters of (meth) acrylic acid and polyhydric alcohols | Wolfgang Ritter, Hans-Dieter Sitz | 1997-07-15 |
| 5350877 | Process for the improved production of (meth)acrylic acid esters of polyhydric alcohols (I) | Wolfgang Ritter, Hans-Dieter Sitz | 1994-09-27 |
| 5210281 | Dry neutralization process for organic liquid phases | Wolfgang Ritter, Hans-Dieter Sitz | 1993-05-11 |
| 5198574 | Process for the improved production of (meth)acrylic acid esters of polyhydric alcohols (II) | Wolfgang Ritter, Hans-Dieter Sitz | 1993-03-30 |
| 5159106 | Process for the improved production of (meth)acrylic acid esters of polyhydric alcohols (VI) | Wolfgang Ritter, Hans-Dieter Sitz | 1992-10-27 |
| 4240814 | Droplet separator | Ulrich Regehr, Horst Hannemann | 1980-12-23 |