GT

Gerhard Thelen

HA Huels Aktiengesellschaft: 1 patents #19 of 62Top 35%
📍 Nottuln, DE: #1 of 2 inventorsTop 50%
Overall (1997): #148,510 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5693817 Solvent-free process for preparing 4-amino-2,2,6,6-tetramethylpiperidine Stefan Frentzen, Elmhart Neuber 1997-12-02