Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9745474 | Acid dyes, process for the production thereof and their use | Sivamurugan Vajiravelu, Wei Tian Loh | 2017-08-29 |
| 9725597 | Acid dyes, process for the production thereof and their use | Sivamurugan Vajiravelu, Wei Tian Loh | 2017-08-08 |
| 9714347 | Metal free acid dyes, process for the production thereof and their use | Sivamurugan Vajiravelu, Say Wan Yong, Ravi Vedarethinam | 2017-07-25 |
| 9650516 | Acid dyes, process for the production thereof and their use | Vajiravelu Sivamurugan, Wei Tian Loh | 2017-05-16 |
| 9567464 | Disperse dyes, their preparation and their use | Yongnian GAO, Si Sl Liew, Samuel Shantong Fu | 2017-02-14 |
| 9051468 | Dyes for polymer coloration, their preparation and their use | Gunter Görlitz, Carsten Harfmann | 2015-06-09 |
| 8979947 | Metal free acid dyes, methods for the production thereof and their use | Vajiravelu Sivamurugan | 2015-03-17 |
| 8466189 | N-alkoxylated 2,3-anthraquinonedicarboximides for polymer coloration, preparation and use | Gunter Görlitz, Carsten Harfmann | 2013-06-18 |
| 7776106 | Dyestuffs and hair dye compositions | Werner Russ, Dominic Pratt, Hartmut Moehring | 2010-08-17 |