VH

Volker Hartjes

CA Covestro Deutschland Ag: 2 patents #24 of 181Top 15%
📍 Duisburg, DE: #5 of 79 inventorsTop 7%
Overall (2018): #92,126 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10125090 Process for preparation of di- and polyamines of the diphenylmethane series Thomas Knauf, Stefan Wershofen, Klaus-Gerd Gruner 2018-11-13
10125091 Process for preparation of di- and polyamines of the diphenylmethane series Thomas Knauf, Stefan Wershofen, Klaus-Gerd Gruner 2018-11-13