Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312976 | Process for the preparation of 2-hydroxy-naphthalene-6-carboxylic acid | Volker Hautzel | 1994-05-17 |
| 5281479 | Corrosion and heat-resistant ordered packing for mass transfer and heat exchange processes | Jurgen Spiske, Dieter Kompalik, Udo Gruber | 1994-01-25 |