Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539128 | Water-soluble lubricant | Rainer Helwerth | 1985-09-03 |
| 4420310 | Use of oxyalkylated novolaks as preparation agents for disperse dyestuffs and preparations made with said agents | Konrad Opitz, Hurbert Kruse, Manfred Schneider, Heinz Uhrig | 1983-12-13 |
| 4369270 | Pigment dispersions and use thereof | Erwin Dietz, Michael Maikowski | 1983-01-18 |
| 4219365 | Pigment dispersions and their use for the pigmenting of hydrophilic and hydrophobic media | Erwin Dietz, Robert Gutbrod, Michael Maikowski | 1980-08-26 |