Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696615 | Method of separating polycyclic aromatic hydrocarbons by means of chromatography | Ulf Menyes, Thomas Jira | 2004-02-24 |
| 6136438 | Process for modifying stationary carrier phases containing silanol or silanol groups with calixarenes for chromatography | Ulf Menyes, Christof Troltzsch | 2000-10-24 |
| 4489135 | Water-dilutable coating agent for preparing the base layer of a multilayer coating | Hermann Drexler, Franz Ebner, Hans-Dieter Hille | 1984-12-18 |
| 4309488 | Implantable bone replacement materials based on calcium phosphate ceramic material in a matrix and process for the production thereof | Helmut Heide, Eva Poeschel | 1982-01-05 |