For the Inventor, By the Inventor

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Mannheim, Germany

Fertiva Gmbh

USPTO Granted Patents = 1

EPO Patents = 1

Forward Citations = 36

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4 inventors (with patents filed for the assignee):

Alexander Wissemeier (1 out of 29 patents)

Wolfgang Weigelt (1 out of 6 patents)

Ralf-Thomas Rahn (1 out of 18 patents)

4. Gerd Buehler (1 out of 1 patent)

5. Gerd Bühler (0 patent)

1 patent: Sort by Forward Citations

1. 8603211 - Mixture for the treatment of urea-containing fertilizers (2013-12-10),

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USPTO Data Jan 1 1976 - Jan 13 2026

1 Patents

#80 in G-6800 Mannheim

#15,133 in Germany

Mannheim, Germany

Fertiva Gmbh

Forward Citations = 36

4 inventors:

Alexander Wissemeier (1 out of 29 patents)

Wolfgang Weigelt (1 out of 6 patents)

Ralf-Thomas Rahn (1 out of 18 patents)

4. Gerd Buehler (1 out of 1 patent)

5. Gerd Bühler (0 patent)

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