FH

Friedrich Hessel

Hoechst Gmbh: 2 patents #125 of 721Top 20%
Overall (1997): #40,800 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5656219 Process for producing densely sintered silicon nitride components Gunter Riedel, Hartmut Kruner, Cornelia Boberski, Wolfgang Bocker, Jurgen Heinrich +3 more 1997-08-12
5643996 Inorganic powder composition containing polymeric auxiliaries and use thereof Jürgen Friederich Rudolph, Wolfgang Meyer, Gerhard Wegner, Katharina Seitz, Andreas Roosen 1997-07-01