Köln
Germany
7
2020-05-14
The entities that hold a legal rights for patent applications filed by inventor Steffens Christian:
Christian Steffens from Köln, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Process for preparing an isocyanate by partly adiabatic phosgenation of the corresponding amine
#2 | 2020-05-14Process for preparing an isocyanate by partly adiabatically operated phosgenation of the corresponding amine
#3 | 2018-07-05Process for providing hydrogen chloride for chemical reactions
#4 | 2018-06-28Process for preparing polyisocyanates
#5 | 2015-09-03Method for producing diisocyanates by phosgenating diamine suspensions
#6 | 2009-07-09Process and mixing unit for the preparation of isocyanates by phosgenation of primary amines
#7 | 2007-07-19Process for the production of light-colored isocyanates
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