OS

Otto E. Sielcken

DN Dsm N.V.: 2 patents #1 of 66Top 2%
📍 Sittard, NL: #2 of 14 inventorsTop 15%
Overall (1994): #23,469 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5334768 Process for the production of a cycloalkanone and/or a cycloalkanol Johannes G. van Hinsberg, Cornelis G. M. van de Moesdijk, Ivo Spaargaren 1994-08-02
5319146 Alkyl peroxides and uses Ubaldus F. Kragten 1994-06-07