US

Udo Stark

YA Yara International Asa: 1 patents #1 of 8Top 15%
📍 Kleve, DE: #1 of 5 inventorsTop 20%
Overall (2011): #138,472 of 364,097Top 40%
1
Patents 2011

Issued Patents 2011

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