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Darmstadt, Germany

Wella Aktiengesellschat

USPTO Granted Patents = 2

Forward Citations = 297

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5 inventors (with patents filed for the assignee):

Wolfgang R Balzer (2 out of 22 patents)

Hans-Juergen Braun (1 out of 75 patents)

Thomas Clausen (1 out of 38 patents)

4. Hans Neunhoeffer (1 out of 5 patents)

5. Stefan Gerstung (1 out of 6 patents)

2 patents: Sort by Forward Citations

1. 5663366 - Process for the synthesis of 4,5-diaminopyrazole derivatives useful for (1997-09-02),

2. 5637115 - Oxidation hair dye compositions containing developers, couplers, and AZO (1997-06-10),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#71 in Darmstadt

#10,513 in Germany

Darmstadt, Germany

Wella Aktiengesellschat

Forward Citations = 297

5 inventors:

Wolfgang R Balzer (2 out of 22 patents)

Hans-Juergen Braun (1 out of 75 patents)

Thomas Clausen (1 out of 38 patents)

4. Hans Neunhoeffer (1 out of 5 patents)

5. Stefan Gerstung (1 out of 6 patents)

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