HN

Helmut Neunzerling

CL Clariant: 1 patents #240 of 540Top 45%
📍 Westerburg, DE: #48 of 81 inventorsTop 60%
Overall (All Time): #3,627,850 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6120704 Mixtures of optical brighteners Thomas Martini 2000-09-19