Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6350352 | Process for separating by distillation pure (meth)acrylic acid from mixtures | Ruprecht Kroker | 2002-02-26 |
| 5897749 | Continuous distillative separation of liquid mixtures which contain (meth) acrylic acid as the main component | Ruprecht Kroker | 1999-04-27 |