HF

Hellmuth Frey

WA Wacker Chemie Ag: 1 patents #641 of 1,324Top 50%
Overall (All Time): #4,106,150 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4188347 Process for treating unreacted 1,2-dichloroethane from 1,2-dichloroethane cracking Ludwig Schmidhammer 1980-02-12