Shanghai
China
6
2013-11-14
The entities that hold a legal rights for patent applications filed by inventor Klein Stephan:
Stephan Klein from Shanghai, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Process for the preparation of urethanes
#2 | 2013-09-19CATALYST FOR PRODUCING N-SUBSTITUTED CARBAMATES, AND THE PREPARATION AND APPLICATION OF THE SAME
#3 | 2011-06-30Catalyst for the synthesis of alkyl carbamates, the method for preparing the same and the use thereof
#4 | 2010-12-09Catalyst for the synthesis of organic carbonates, process for preparing the same and application thereof
#5 | 2010-11-25Catalyst for producing N-substituted carbamates, and the preparation and application of the same
#6 | 2010-10-28Method for preparing a carbamate, a catalyst applied in the method, a method for preparing the catalyst and use thereof
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