SK

Stephan Klein

BA Bayer Materialscience Ag: 6 patents #88 of 1,035Top 9%
SA Solarworld Ag: 2 patents #10 of 41Top 25%
SK Symrise Gmbh & Co. Kg: 2 patents #25 of 114Top 25%
BH Bayer Healthcare: 2 patents #3,312 of 8,007Top 45%
CA Covestro Deutschland Ag: 1 patents #436 of 964Top 50%
BG Bayer Intellectual Property Gmbh: 1 patents #640 of 1,266Top 55%
HR Haarmann & Reimer: 1 patents #53 of 126Top 45%
Overall (All Time): #298,103 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9475762 Process for the preparation of urethanes Andreas Jacob, Stefan Wershofen, Jörg Sundermeyer, Fuming Mei 2016-10-25
9284267 Process for the preparation of urethanes Andreas Jacob, Stefan Wershofen, Jörg Sundermeyer, Fuming Mei 2016-03-15
9199924 Process for the preparation of urethanes Felix Gärtner, Andreas Jacob, Jörg Sundermeyer, Stefan Wershofen 2015-12-01
8513453 Process for preparing aromatic carbamates Stefan Wershofen, Anton Vidal-Ferran, Elisenda Reixach, Francese Xavier Rius-Ruiz 2013-08-20
8450516 Catalyst for producing N-substituted carbamates, and the preparation and application of the same Stefan Wershofen, Hongchao Li, Xinkui Wang, Qifeng Li, Maoqing Kang 2013-05-28
8450518 Method for preparing a carbamate, a catalyst applied in the method, a method for preparing the catalyst and use thereof Youquan Deng, Liguo Wang, Yubo Ma, Xiaoguang Guo, Stefan Wershofen +1 more 2013-05-28
8445713 Catalyst for the synthesis of organic carbonates, process for preparing the same and application thereof Stefan Wershofen, Zhiping Zhou, Xinkui Wang, Junwei Wang, Maoqing Kang 2013-05-21
8338634 Catalyst for the synthesis of alkyl carbamates, the method for preparing the same and the use thereof Youquan Deng, Yubo Ma, Liguo Wang, Xiaoguang Guo, Shiguo Zhang +3 more 2012-12-25
7323155 Method for producing silanes Hans-Dieter Block, Hans-Joachim Leimkühler, Werner Dick, Dirk Müller, Johannes-Peter Schafer 2008-01-29
6916966 Process for preparing cycloalkadienes Ingo Wöhrle, Peter Esser, Aurelia Reckziegel, Matthias Brandt, Thomas Turek 2005-07-12
6903241 Metathesis catalysts Ingo Wöhrle, Peter Esser, Aurelia Reckziegel, Matthias Brandt, Thomas Turek 2005-06-07
6843972 Method for purifying trichlorosilane Hans-Dieter Block, Hans-Joachim Leimkühler, Werner Dick, Johannes-Peter Schafer 2005-01-18
6737554 Process for the production of a dinitronaphthalene isomer mixture with a high proportion of 1,5-dinitronaphthalene Matthias Brandt, Gerhard Wegener 2004-05-18
6649798 Method for production of diaminodiphenylmethanes Dirk Grotjohann, Christine Mendoza-Frohn, Daniel Koch, Heinz Muller, Hans-Georg Pirkl +2 more 2003-11-18
6531625 Cinnamic esters Walter Kuhn, Gerhard Braun 2003-03-11
6458972 Process for the preparation of macrocyclic esters Horst Surburg, Dirk Müller, Christine Mendoza-Frohn, Georg Ronge, Kai Verkerk 2002-10-01