Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360679 | Benzofuranyl-benzimidazoles | Kurt Weber | 1982-11-23 |
| 4339393 | Distyrylbiphenyls | Christian Luthi, Kurt Weber | 1982-07-13 |
| 4314820 | Distyrylbenzene fluorescent brightening agents | Kurt Weber | 1982-02-09 |
| 4313846 | N-Acyl-o-phenylenediamines | Max Siegrist | 1982-02-02 |
| 4276188 | Process for manufacturing 2-stilbenyl-1,2,3-triazoles and new 2-stilbenyl-1,2,3-triazoles | — | 1981-06-30 |
| 4264325 | Phenyl-benzimidazolyl-furanes for optical brightening of organic materials | Kurt Weber | 1981-04-28 |
| 4263431 | Cationic fluorescent whitening agents | Kurt Weber, Christian Luthi | 1981-04-21 |
| 4250317 | Benzofuranyl-benzimidazoles | Kurt Weber | 1981-02-10 |
| 4206072 | Benzoxazolyl-phenyl-stilbenes | Kurt Burdeska | 1980-06-03 |
| 4189589 | Phenyl-benzimidazolyl-furanes | Kurt Weber | 1980-02-19 |