FH

Friedrich Hessel

Hoechst Gmbh: 6 patents #638 of 4,020Top 20%
Merck: 1 patents #5,419 of 9,382Top 60%
Overall (All Time): #764,958 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 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
5529749 Process for reducing the microbe count in aqueous multi-phase compositions that contain synthetic resin Helmut Rinno, Klaus Alberti 1996-06-25
5498382 Process for converting water sensitive ceramic powders into a free flowing granulated powder Katherina Seitz, Hans-Michael Guther, Frank Schröder, Christine Kostler, Andreas Roosen +1 more 1996-03-12
5473008 Casting composition for producing green ceramic sheets containing polyvinyl alcohol/fatty acid ester as dispersant Katharina Seitz, Andreas Roosen, Gerhard Wegner, Wolfgang Meyer, Wolfgang M. Sigmund 1995-12-05
5401697 Process for converting water-sensitive ceramic powders into a free-flowing granulated powder Hans-Michael Guether, Katharina Seitz, Frank C. Schroeder, Christine Koestler, Andreas Roosen 1995-03-28
5190689 Polymer materials having liquid-crystalline phases Heino Finkelmann, Rudolf Eidenschink, Joachim Krause 1993-03-02