For the Inventor, By the Inventor

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Prattein, Switzerland

Archroma (Switzerland) Gmbh

USPTO Granted Patents = 5

Forward Citations = 0

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17 inventors (with patents filed for the assignee):

Georg Roentgen (3 out of 27 patents)

Fanny Ehret (2 out of 4 patents)

Michael Nicollet (2 out of 4 patents)

4. Jean-Christophe Graciet (2 out of 4 patents)

5. Darryl Miles Cassingham (1 out of 6 patents)

6. Hubert Jean-Luc Christnacher (1 out of 3 patents)

7. Gilles Sperissen (1 out of 3 patents)

8. Martin Weber (1 out of 4 patents)

9. Athanassios Tzikas (1 out of 123 patents)

10. Hans-Jorg Peter (1 out of 3 patents)

11. Hosuk Ryu (1 out of 2 patents)

12. Daryl Miles Cassingham (1 out of 1 patent)

13. Laszlo Fekete (1 out of 1 patent)

14. Michael Nicollet (1 out of 1 patent)

15. Jean Christophe Graciet (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 12473432 - Isomeric mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials (2025-11-18),

2. 12448519 - Mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials (2025-10-21),

3. 12319974 - Use of reactive cross-linking agents for protein-containing substrates and processes for tanning and dyeing of leather (2025-06-03),

4. 12319973 - Process for the simultaneous tanning and dyeing of collagen containing fibrous material (2025-06-03),

5. 12227898 - Pyridine and pyrimidine substituted triazine UV absorbers (2025-02-18),

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USPTO Data Jan 1 1976 - Dec 30 2025

5 Patents

#1 in Prattein

#1,652 in Switzerland

Prattein, Switzerland

Archroma (Switzerland) Gmbh

Forward Citations = 0

17 inventors:

Georg Roentgen (3 out of 27 patents)

Fanny Ehret (2 out of 4 patents)

Michael Nicollet (2 out of 4 patents)

4. Jean-Christophe Graciet (2 out of 4 patents)

5. Darryl Miles Cassingham (1 out of 6 patents)

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