Holger Barthel has been granted 5 US patents while listed as an inventor at Basf Se . The first was granted in 2013 and the most recent in January 2023. Holger Barthel ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Holger Barthel in Oftersheim, DE.
Patents per Year Patents granted per year, 2013 to 2023 Bar chart with a peak of 2 patents in 2014. peak 2 2013: 1 patents 2013 2014: 2 patents 2014 2022: 1 patents 2022 2023: 1 patents 2023
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date
11560456 Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer, specifically an SAP polymer gel, using a single-shaft extruder Monica Haag , Stephan Deuerlein , Roland Krauss , Volker Klock 2023-01-24
11458665 Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer gel using a single-shaft extruder Monica Haag , Stephan Deuerlein , Volker Klock , Roland Krauss 2022-10-04
8663733 Method for coating water-absorbing polymer particles Martin Wendker , Reiner Witt , Karin Flore 2014-03-04
8663734 Method for coating water-absorbing polymer particles Martin Wendker , Reiner Witt , Jeff Vogt 2014-03-04
8603577 Method for coating water-absorbing polymer particles Martin Wendker , Reiner Witt 2013-12-10
