Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035825 | Stable bleaching detergents containing stilbene fluorescent whitening agents | Claude Eckhardt, Hans R. Meyer, Kurt Weber | 1991-07-30 |
| 4940555 | Storage-stable anionic liquid detergent compositions containing amphoteric distyryl derivative fluorescent whiteners | Claude Eckhardt | 1990-07-10 |
| 4925595 | Liquid detergent compositions containing disulfonated fluorescent whitening agents: di-styryl-biphenyl or di-styryl-benzene derivatives | Dieter Reinehr, Kurt Weber, Claude Eckhardt | 1990-05-15 |
| 4889655 | Mixtures of fluorescent whitening agents | Klaus Artz, Kurt Weber, Kurt Burdeska, Dieter Reinehr | 1989-12-26 |
| 4830763 | Process for increasing the degree of whiteness of polyester-containing textile material | Urs Lehmann, Dieter Reinehr, Jurgen Kaschig | 1989-05-16 |