Inventor
SCHARFE STEFAN
DE7 patents
⚠️ This page may combine multiple inventors who share the name “SCHARFE STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EVONIK DEGUSSA GMBH
2 patentsUS8979996B2Mar 17, 2015
Composition containing quaternary amino-functional organosilicon compunds and production and use thereof
EVONIK DEGUSSA GMBH4 citations71
US10221200B2Mar 5, 2019
Quaternary amino alcohol functional organosilicon compounds, composition containing the latter and their production and use
EVONIK DEGUSSA GMBH0 citations50
SCHARFE STEFAN
2 patentsUS8747541B2Jun 10, 2014
Dispersion containing silica particles surface-modified with quaternary, aminofunctional organosilicon compounds
SCHARFE STEFAN6 citations68
US8980960B2Mar 17, 2015
Methods for producing a dispersion containing silicon dioxide particles and cationization agent
SCHARFE STEFAN0 citations36