GS

Gerd Sonnenberg

WA Wolff Walsrode Ag: 3 patents #47 of 163Top 30%
Dow Global Technologies: 1 patents #2,632 of 4,534Top 60%
WK Wolff Cellulosics Gmbh Co. Kg: 1 patents #5 of 22Top 25%
Overall (All Time): #1,018,249 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8197699 Process for preparing methylhydroxyalkylcellulose having a small number of coloured particles Martin Kowollik, Wolfgang Dannhorn, Erik-Andreas Klohr, Hartwig Schlesiger, Bernhard Kranz +1 more 2012-06-12
7259257 Process for producing particulate, water-soluble cellulose derivatives using a superheated gas mixture containing steam Hartwig Schlesiger, Martin Morning, Gunter Weber, Volker Eckhardt, Rene Kiesewetter 2007-08-21
6880772 Process and apparatus for combined milling and drying Hartwig Schlesiger, Martin Morning, Rudolf Heidemann 2005-04-19
6667395 Process and apparatus for the industrial preparation of methylhydroxyalkylcellulose Torsten Holtkötter, Stefan Michel 2003-12-23
5360902 Process for producing methyl hydroxyalkyl cellulose ethers Oke Brauer, Bernd Haase, Dieter Herzog, Lutz Riechardt, Dietrich Tegtmeier 1994-11-01