KF

Klaus Frankenfeld

CO Chemische Fabrik Budenheim Rudolf A. Oetker: 1 patents #1 of 8Top 15%
📍 Bad Berka, DE: #1 of 3 inventorsTop 35%
Overall (1997): #117,564 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5607990 Method for making phenol-formaldehyde resins flame-resistant Karlheinz Dorn, Hans-Dieter N agerl, Klaus Sommer 1997-03-04