For the Inventor, By the Inventor

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Aachen, Germany

Gruenethal Gmbh

USPTO Granted Patents = 2

Forward Citations = 13

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11 inventors (with patents filed for the assignee):

Klaus Schiene (1 out of 56 patents)

Stefan Schunk (1 out of 36 patents)

Ruth Jostock (1 out of 34 patents)

4. Thomas Christoph (1 out of 37 patents)

5. Melanie Reich (1 out of 34 patents)

6. Stefan Oberboersch (1 out of 35 patents)

7. Jean De Vry (1 out of 18 patents)

8. Tieno Germann (1 out of 21 patents)

9. Sabine Hees (1 out of 16 patents)

10. Michael Franz-Martin Engels (1 out of 3 patents)

11. Elmar Josef Friderichs (1 out of 32 patents)

2 patents: Sort by Forward Citations

1. 8318769 - Substituted sulfonamide compounds (2012-11-27),

2. 6660774 - Use of (+)-tramadol, O-demethyltramadol or (+)-O-demethyl-tramadol, O-desmethyl-N-mono-desmethyl-tramadol or (+)- O-desmethyl-N-mono-desmethyltramadol (2003-12-09),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#63 in Aachen

#10,513 in Germany

Aachen, Germany

Gruenethal Gmbh

Forward Citations = 13

11 inventors:

Klaus Schiene (1 out of 56 patents)

Stefan Schunk (1 out of 36 patents)

Ruth Jostock (1 out of 34 patents)

4. Thomas Christoph (1 out of 37 patents)

5. Melanie Reich (1 out of 34 patents)

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