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Bottrop, Germany

Andreas Seifert

Average Co-Inventor Count = 6.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 1

Andreas Seifert ↔ Ursula Maczkiewitz (3 patents)Andreas Seifert ↔ Hans Henning Wenk (2 patents)Andreas Seifert ↔ Monica Desiree Van Logchem (2 patents)Andreas Seifert ↔ Annika Schrader (2 patents)Andreas Seifert ↔ Claudia Hierath (2 patents)Andreas Seifert ↔ Marrit Friederike Eckstein (2 patents)Andreas Seifert ↔ Sunay Karacocuk (2 patents)Andreas Seifert ↔ Mike Farwick (1 patent)Andreas Seifert ↔ Matthias Mentel (1 patent)Andreas SeifertAndreas Seifert (3 patents)Ursula MaczkiewitzUrsula Maczkiewitz (7 patents)Hans Henning WenkHans Henning Wenk (33 patents)Monica Desiree Van LogchemMonica Desiree Van Logchem (7 patents)Annika SchraderAnnika Schrader (3 patents)Claudia HierathClaudia Hierath (3 patents)Marrit Friederike EcksteinMarrit Friederike Eckstein (2 patents)Sunay KaracocukSunay Karacocuk (2 patents)Mike FarwickMike Farwick (50 patents)Matthias MentelMatthias Mentel (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Evonik Operations Gmbh (2 from 596 patents)

2. Evonik Degussa Gmbh (1 from 1,242 patents)


3 patents:

1. 11939612 - Process for preparing sphingolipids

2. 11155842 - Process for preparing sphingolipids

3. 9456973 - Methionyl-methionine stereoisomers and use thereof in cosmetics

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as of
12/8/2025
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