RG

Rainer Gras

HA Huels Aktiengesellschaft: 1 patents #1 of 10Top 10%
📍 Herne, DE: #3 of 16 inventorsTop 20%
Overall (2002): #45,984 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6479613 Process for the preparation of polyaddition products containing uretdione groups, and their use in polyurethane coating systems Siegfried Brandt, Klaus Behrendt, Silvia Herda 2002-11-12
6437074 Blocked polyisocyanates, a process for their preparation, and their use 2002-08-20