US

Udo Stark

YA Yara International Asa: 1 patents #53 of 134Top 40%
📍 Kleve, DE: #54 of 111 inventorsTop 50%
Overall (All Time): #3,259,487 of 4,157,543Top 80%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7998235 Method for the production of urea fertilizer with elemental sulphur and the product thereof Sven Kohnke, Uwe Ladwig, Jürgen Maaz 2011-08-16