Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167871 | Liquid detergent compositions containing fluorescent whitening agents, polyvinyl pyrrolidone polymer or copolymer and silicic acid | Martin Jollenbeck | 1992-12-01 |
| 5152921 | Liquid detergents compositions containing 2-2-dichloro-5,5-disulfodistyrylbiphenyl as the fluorescent whitener | Kurt Weber | 1992-10-06 |
| 5145991 | Distyrylbiphenyl compounds | Kurt Weber | 1992-09-08 |
| 5139695 | Stable bleaching compositions containing fluorescent whitening agents | — | 1992-08-18 |
| 5035825 | Stable bleaching detergents containing stilbene fluorescent whitening agents | Heinz Hefti, Hans R. Meyer, Kurt Weber | 1991-07-30 |
| 4940555 | Storage-stable anionic liquid detergent compositions containing amphoteric distyryl derivative fluorescent whiteners | Heinz Hefti | 1990-07-10 |
| 4925595 | Liquid detergent compositions containing disulfonated fluorescent whitening agents: di-styryl-biphenyl or di-styryl-benzene derivatives | Heinz Hefti, Dieter Reinehr, Kurt Weber | 1990-05-15 |
| 4908040 | Anionic cyclodiylide compounds, their preparation and use in washing agents as shading dyes | Rudolf Naef | 1990-03-13 |
| 4540518 | Zinc and aluminum phthalocyanines | Gerd Holzle | 1985-09-10 |
| 4368053 | Fabric conditioning compositions containing phthalocyanine substituted with quaternary ammonium group-containing sulphonamide photoactivator | Gerd Holzle | 1983-01-11 |
| 4311605 | Compositions for treating textiles | Richard von Rutte | 1982-01-19 |
| 4187289 | Softening agents containing diester/amine adducts and quaternary ammonium salts, valuable for use as after-rinse softeners and after-shampoo hair conditioners | — | 1980-02-05 |