Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019165 | Recording fluid for the ink jet process | Udo Mayer | 1991-05-28 |
| 5015292 | Recording fluid for the ink jet process | Rainer Dyllick-Brenzinger, Udo Mayer, Steven J. Bares | 1991-05-14 |
| 4975118 | Recording fluid containing phenyl azo naphthalene dyes for the ink jet process | Udo Mayer, Rainer Dyllick-Brenzinger, Steven J. Bares | 1990-12-04 |
| 4912006 | Electrostatic toner | Walter Breitschaft, Erwin Czech, Udo Mayer, Guenther Seybold, Rainer Dyllick-Brenzinger | 1990-03-27 |
| 4353833 | Cationic dyes | Hans-Juergen Degen, Franz Feichtmayr, Klaus Grychtol, Udo Mayer | 1982-10-12 |