HZ

Heiko Zeh

WC W.R. Grace & Co.-Conn.: 1 patents #543 of 1,045Top 55%
Merck: 1 patents #5,419 of 9,382Top 60%
📍 Weiterstadt, DE: #79 of 219 inventorsTop 40%
Overall (All Time): #2,302,726 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5221337 SiO.sub.2 flatting agent, process for its production and its use Georg Luers, Gerd W. Scheuren 1993-06-22
4965294 Photoinitiator dispersions Jorg Ohngemach 1990-10-23