Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
NH

Norbert Herfert — 46 Patents

Basf Se: 43 patents #190 of 13,826Top 2%
Hoechst Gmbh: 1 patents #2,248 of 4,020Top 60%
CLClariant: 1 patents #403 of 540Top 75%
Overall (All Time): #62,001 of 4,157,543Top 2%
46 Patents All Time
Norbert Herfert has been granted 46 US patents while listed as an inventor at Basf Se. The first was granted in 1998 and the most recent in June 2025. Norbert Herfert ranks #62,001 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Norbert Herfert in Shanghai, NC, CN.

Patents per Year

Patents granted per year, 1998 to 2025Bar chart with a peak of 7 patents in 2013.peak 71998: 2 patents19981999: 2 patents2000: 1 patents2001: 1 patents20012002: 1 patents2003: 3 patents2004: 2 patents20042005: 1 patents2006: 1 patents2008: 2 patents20082009: 2 patents2010: 2 patents2011: 2 patents20112013: 7 patents2014: 4 patents2015: 1 patents20152016: 2 patents2017: 1 patents2018: 2 patents20182019: 2 patents2020: 1 patents2021: 1 patents20212023: 1 patents2024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12336895 Thin fluid absorbent core-absorbent paper Stephan Bauer, Katrin Baumann, Li Duan, Le Li, Xiao LIU +1 more 2025-06-24
12083496 Process for producing superabsorbents Bootsara Parchana, Sunantha Kaenthong, Stephan Bauer, Thomas Daniel, Katrin Baumann 2024-09-10
11813589 Superabsorbent complexed with aluminum ions Kristine Hartnagel, Wanthip Poomsuwan, Patrick Hamilton, Thomas Daniel, Olaf Hoeller 2023-11-14
11142614 Process for producing surface-postcrosslinked water-absorbent polymer particles Thomas Daniel, Stephan Bauer, Katrin Baumann, Birgit Reinhard, Jürgen Freiberg +3 more 2021-10-12
10806640 Ultrathin fluid-absorbent article Somjate Sonkaew, Thomas Daniel, Tanyatorn Sitkhunthod 2020-10-20
10226753 Process for producing superabsorbents Wanthip Poomsuwan, Thomas Gieger 2019-03-12
10208170 Process for producing surface-postcrosslinked water-absorbent polymer particles Thomas Daniel, Stephan Bauer, Katrin Baumann, Birgit Reinhard, Jürgen Freiberg +3 more 2019-02-19
9944739 Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution Thomas Daniel, Stephan Bauer, Katrin Baumann, Birgit Reinhard, Jürgen Freiberg +1 more 2018-04-17
9914112 Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution Stephan Bauer, Jürgen Freiberg, Rudolf Schliwa, Karl J. Possemiers, Robert Bayer 2018-03-13
9790304 Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution Thomas Daniel, Stephan Bauer, Katrin Baumann, Birgit Reinhard, Jürgen Freiberg +1 more 2017-10-17
9434802 Method for removal of residual monomers from water-absorbing polymer particles Stephan Bauer, Lydia König, Yvonne Hagen, Xiana Romani Fernandez, Marcus Schöppler 2016-09-06
9422221 Method for the restabilization of (meth)acrylic monomers Ulrich Hammon, Renate Wuestefeld 2016-08-23
9073040 Water-absorbent polymer particles Rainer Dobrawa, Thomas Daniel, Uwe Stueven, Marco Krüger, Francisco Javier Lopez Villanueva +3 more 2015-07-07
8865828 Method for producing permeable water-absorbing polymer particles through polymerization of drops of a monomer solution Thomas Daniel, Uwe Stueven, Marco Krüger, Stefan Blei, Francisco Javier Lopez Villanueva 2014-10-21
8852742 Water absorbent polymer particles formed by polymerizing droplets of a monomer solution and coated with sulfinic acid, sulfonic acid, and/or salts thereof Thomas Daniel, Rainer Dobrawa 2014-10-07
8815770 Color-stable superabsorber Mark Elliott, Thomas Daniel 2014-08-26
8703876 Process for producing water absorbing polymer particles with improved color stability Thomas Daniel, Bootsara Parchana 2014-04-22
8618206 Process for producing water-absorbing polymer particles with low caking tendency and high absorption under pressure Thomas Daniel, Christophe Bauduin 2013-12-31
8552071 Hydrogels absorbing aqueous fluids Thomas Daniel, Ulrich Riegel, Matthias Weismantel, Friedrich Engelhardt 2013-10-08
8497337 Process for producing water-absorbing polymer particles with improved color stability Thomas Daniel 2013-07-30
8481159 Water-absorbent porous polymer particles having specific sphericity and high bulk density Rainer Dobrawa, Thomas Daniel, Uwe Stueven, Marco Krüger, Francisco Javier Villanueva +3 more 2013-07-09
8450428 Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution Thomas Daniel, Marco Krüger, Karin Flore, Stefan Blei, Uwe Stueven +1 more 2013-05-28
8410221 Process for producing water-absorbing polymer particles with low caking tendency and high absorption under pressure Thomas Daniel, Christophe Bauduin 2013-04-02
8371475 Process for metering superabsorbents Herman Josef Feise, Hanno Rüdiger Wolf 2013-02-12
8017549 Superabsorbents having superior permeability and conveying properties Martin Wendker, Hermann Josef Feise, Hanno Rüdiger Wolf, Bill Chiang, Guy Thomas Woodrum 2011-09-13