Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968175 | Radiation curable printing media, transfers produced therewith and process for the production of ceramic decoration | Frank Walter | 2011-06-28 |
| 7674502 | UV-radiation-curable precious-metal preparation, transfer pictures containing said preparation, and process for decoration | Kersken Knuth, Robert SIEVI, Frank Walter, Andreas Schulz | 2010-03-09 |
| 6357868 | Method of decorating hard materials | Peter T. Pfaff | 2002-03-19 |
| 5494488 | Detergent composition and method of use with surfactant, silicate, and polycarboxylate | Detlef Arnoldi, Wolfgang Leonhardt, Beata-Maria Lortz | 1996-02-27 |
| 5076957 | Phosphate-free detergent builders | Manfred Diehl, Wolfgang Leonhardt, Gerhard Morlock | 1991-12-31 |