FE

Fritz Engelhardt

CA Cassella Aktiengesellschaft: 16 patents #14 of 243Top 6%
Basf Se: 9 patents #1,877 of 13,826Top 15%
Hoechst Gmbh: 7 patents #542 of 4,020Top 15%
CL Clariant: 1 patents #240 of 540Top 45%
SH Societe Francaise Hoechst: 1 patents #26 of 69Top 40%
📍 Frankfurt am Main, VA: #2 of 3 inventorsTop 70%
Overall (All Time): #104,076 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
5276248 Process for the storage and transportation of liquid hydrocarbons Gerlinde Ebert, Heinz Hoffmann, Gerhard Platz, Werner Ritschel 1994-01-04
5274048 Use of glycidyl phosphonates as crosslinkers in the preparation of hydrogels Ulrich Riegel, Hanss-Jerg Kleiner, Wolf-Dieter Muller 1993-12-28
5258448 Absorbent polymers, manufacturing process and their use in particular for sanitary articles Paul Mallo, Ulrich Riegel, Rüdiger Funk 1993-11-02
4877540 Methylolated and optionally etherified urethanes containing fluoroalkyl ligands Karl Hintermeier, Manfred Muller, Norbert Munch, Hans Wagener 1989-10-31
4828570 Tanning agent and a process for its preparation Ulrich Riegel, Kuno Reh, Helmut Croon, Hermann Becker, Werner Lotz 1989-05-09
4753999 Copolymer, process for its preparation, and its use Karl-Heinz Keil, Klaus Sternberger, Gunter Rosch 1988-06-28
4588413 Process for producing dyeings with reactive dyestuffs Karl-Heinz Keil, Ulrich Greiner, Klaus Sternberger, Manfred Pelster 1986-05-13
4576973 Copolymer, process for its preparation and its use as a sorbent Karl-Heinz Keil, Ulrich Greiner, Klaus Kuhlein, Reinhold Keller, Merten Schlingmann +1 more 1986-03-18
4552905 Copolymer, a process for its preparation and its use as a sorbent Karl-Heinz Keil, Ulrich Greiner, Klaus Kuhlein, Reinhold Keller, Merten Schlingmann 1985-11-12