Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AS

Ansgar SCHAEFER

Basf Se: 2 patents #5,851 of 13,826Top 45%
Karlsruhe, DE: #640 of 1,998 inventorsTop 35%
Overall (All Time): #1,931,179 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10221255 Composition for the immediate stopping of a free-radical polymerization Ann-Kathrin Marguerre, Christian Raith, Christof Kujat, Friedrich-Georg Martin, Daher Michael Badine +6 more 2019-03-05
9173391 Crystalline complexes of 4-hydroxy benzoic acid and selected pesticides Heidi Emilia Saxell, Rafel Israels, Matthias Bratz, Hans Wolfgang Hoeffken, Ingo Brode +2 more 2015-11-03