WS

Wilhelmus Johannes Daniel Steendam

SB Sabic Global Technologies B.V.: 6 patents #177 of 1,595Top 15%
SB Sabic Innovative Plastics B.V.: 4 patents #142 of 817Top 20%
GE: 1 patents #19,878 of 36,430Top 55%
Overall (All Time): #457,538 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10329421 Polycarbonate compositions, method of manufacture thereof, and articles therefrom Christianus Johannes Jacobus Maas, Sjoerd van Nispen 2019-06-25
10273357 High heat polycarbonate compositions Sarah E. Grieshaber, Tony Farrell, Rob Boonman, Maria del Mar Diez Diaz, Robert Dirk van de Grampel +2 more 2019-04-30
9790367 Polycarbonate compositions for reduced splay in combination with sustained or improved impact resistance Chiel Albertus Leenders, Robert Walter Venderbosch, Mark Adrianus Johannes van der Mee, Sjoerd van Nispen, Tony Farrell 2017-10-17
9574083 Synergistic effect of multiple mold release additives in polycarbonate based compositions Wei Zhao, Amit Kulkarni 2017-02-21
9193864 Polycarbonate compositions with improved impact resistance Robert Puyenbroek, Bernardus Johannes Paulus Jansen 2015-11-24
8871865 Flame retardant thermoplastic polycarbonate compositions Bernardus Johannes Paulus Jansen, Christiaan Henricus Johannes Koevoets, Edward Kung 2014-10-28
8030400 Thermoplastic polycarbonate compositions with improved chemical and scratch resistance Edward Kung 2011-10-04
7786246 Isosorbide-based polycarbonates, method of making, and articles formed therefrom Bernardus Johannes Paulus Jansen, Jan Henk Kamps, Edward Kung, Hans Looij, Lina Prada 2010-08-31
7666972 Isosorbide-based polycarbonates, method of making, and articles formed therefrom Bernardus Johannes Paulus Jansen, Jan Henk Kamps, Edward Kung, Hans Looij, Lina Prada 2010-02-23
7659359 Stabilization of isosorbide-based polycarbonate Roland Sebastian Assink, Hans de Brouwer, Bernd Jansen, Jan Henk Kamps, Jan-Willem Goedmakers 2010-02-09
5367021 Polymer mixture composed of an aromatic polycarbonate, optionally a polyalkyleneterephthalate and a graft copolymer Wilhelmus M. M. Roovers 1994-11-22