BH

Bernd Helpap

HA Huels Aktiengesellschaft: 1 patents #269 of 532Top 55%
Overall (All Time): #3,645,869 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5888356 Inhibition of polymerization of vinylaromatic or vinylaliphatic Thomas Keil, Manfred Kaufhold 1999-03-30