WL

Walter Loffelmann

AN Akzo N.V.: 2 patents #175 of 803Top 25%
AN Akzo Nobel N.V.: 1 patents #670 of 1,625Top 45%
Overall (All Time): #1,632,573 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5879554 Polysulfone membrane and method for its manufacture Jurgen Passlack, Harald Schmitt, Heinz-Dieter Sluma, Michael Schmitt 1999-03-09
5290448 Polyacrylonitrile membrane Heinz-Dieter Sluma, Jurgen Passlack, Harald Schmitt, Karl Henke 1994-03-01
4436839 Process for preparing polycarbonate-polyether-blockcopolymers Joachim Behnke 1984-03-13