HS

Hans-Werner Stephan

CI Ciba-Geigy: 1 patents #136 of 476Top 30%
Overall (1997): #144,434 of 185,788Top 80%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5618963 Process for the preparation of sterically hindered hydroxybenzylphosphonates Thomas Engert, Walter Wolf 1997-04-08