DW

Dieter Wittmann

BH Bayer Healthcare: 6 patents #37 of 933Top 4%
Overall (1997): #2,842 of 185,788Top 2%
6
Patents 1997

Issued Patents 1997

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5679759 Polycarbonate moulding materials with improved toughness Thomas Eckel, Heinrich Alberts, Herbert Eichenauer, Ulrich Jansen 1997-10-21
5672645 Flame resistant polycarbonate/ABS moulding compounds resistant to stress cracking Thomas Eckel, Manfred Oller, Heinrich Alberts 1997-09-30
5658974 Flameproofed, thermoplastic polycarbonate moulding compounds Karl Fuhr, Thomas Eckel, Heinrich Alberts 1997-08-19
5635560 Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer Burkhard Kohler, Wolfgang Ebert, Horst Beicher, Werner Tischer, Klaus Horn 1997-06-03
5621029 Flame retardant thermoplastic polycarbonate moulding compositions Thomas Eckel, Karl Fuhr, Heinrich Alberts 1997-04-15
5605963 ABS polymer compositions having a uniform matt surface Edgar Leitz, Herbert Eichenauer, Karl-Erwin Piejko, Ekkehard Frohberg 1997-02-25