Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998026 | Method for producing tertiary C4-C8-alkyl esters of (meth)acrylic acid | Gerhard Nestler, Werner Schmitt, Winfried Schumm | 2006-02-14 |
| 6756506 | Method for producing tert-butyl esters of aliphatic c1-c4-carboxylic acids | Gerhard Nestler, Werner Schmitt, Winfried Schumm | 2004-06-29 |
| 6350352 | Process for separating by distillation pure (meth)acrylic acid from mixtures | Manfred Wiedemann | 2002-02-26 |
| 5897749 | Continuous distillative separation of liquid mixtures which contain (meth) acrylic acid as the main component | Manfred Wiedemann | 1999-04-27 |
| 5039817 | Preparation of pure N-vinyl-2-pyrrolidone | Guenther Mueller, Ernst Hofmann | 1991-08-13 |
| 4190569 | Baking finishes of low solvent content | Hans Sander, Hermann Gausepohl | 1980-02-26 |