KH

Klaus-Dieter Hellwig

DA Degussa Ag: 1 patents #94 of 282Top 35%
📍 Bad Honnef, DE: #1 of 7 inventorsTop 15%
Overall (2004): #174,432 of 270,089Top 65%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6800267 Doped precipitated silica Jurgen Schubert, Astrid Muller 2004-10-05