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Jürgen Spehn

OA Omya International Ag: 2 patents #19 of 80Top 25%
📍 Safenwil, CH: #1 of 2 inventorsTop 50%
Overall (2020): #155,045 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10767055 Mineral material powder with high dispersion ability and use of said mineral material powder Pierre Blanchard, Jean-Pierre Elgoyhen, Beat Karth, Holger Müller, Martin Brunner +2 more 2020-09-08
10723885 Process for improving particle size distribution of calcium carbonate-comprising material Michael Pohl, Christian Rainer, Martin Brunner, Michael Tinkl, Dennis Werner +2 more 2020-07-28