For the Inventor, By the Inventor

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Zofingen, Switzerland

Siegfried Generics International Ag

USPTO Granted Patents = 3

Forward Citations = 28

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4 inventors (with patents filed for the assignee):

Jianguang Sun (1 out of 1 patent)

Lambert Tillmann Röhrich (1 out of 2 patents)

Beat W Müller (1 out of 2 patents)

4. Stefan Mayer (1 out of 6 patents)

3 patents: Sort by Forward Citations

1. 9657029 - Method of preparing oxymorphone (2017-05-23),

2. D693457 - Inhaler (2013-11-12),

3. 7943172 - Film-coated tablet or granules containing as active ingredient a pyridylpyrimidine compound or a pharmaceutically acceptable salt of this compound (2011-05-17),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#5 in Zofingen

#2,332 in Switzerland

Zofingen, Switzerland

Siegfried Generics International Ag

Forward Citations = 28

4 inventors:

Jianguang Sun (1 out of 1 patent)

Lambert Tillmann Röhrich (1 out of 2 patents)

Beat W Müller (1 out of 2 patents)

4. Stefan Mayer (1 out of 6 patents)

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