Inventor
KNAUP WOLFGANG
DE13 patents
⚠️ This page may combine multiple inventors who share the name “KNAUP WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
7 patentsUS5147748ASep 15, 1992
Use of colorless highly fluorine-substituted phosphonium compounds as charge control agents for electrophotographic recording processes
HOECHST AG27 citations92
US5648527AJul 15, 1997
Saturated fluoroalkylamines and their derivatives, and mixtures thereof
HOECHST AG20 citations91
US5171877ADec 15, 1992
Urethanes made from aliphatic fluoro alcohols, isocyanates and carboxylic acids, a process for their preparation and their use
HOECHST AG22 citations90
US5648528AJul 15, 1997
Saturated fluoroalkylamines and their derivatives, and mixtures thereof
HOECHST AG17 citations80
US5227540AJul 13, 1993
Process for the preparation of primary and secondary fluorine-containing alcohols
HOECHST AG12 citations73
US5103048AApr 7, 1992
Surface-active compounds having a perfluoroalkyl group and a nitrogen-containing aliphatic radical, a process for their preparation and their use
HOECHST AG9 citations72
US5055619AOct 8, 1991
Phosphonium compounds and processes for their preparation
HOECHST AG3 citations62
ARCHROMA IP GMBH
3 patentsUS11072885B2Jul 27, 2021
Fluorine-free water-repellent composition
ARCHROMA IP GMBH1 citations72
US10597816B2Mar 24, 2020
Fluorine-containing water-repellent composition
ARCHROMA IP GMBH2 citations63
US10407823B2Sep 10, 2019
Composition comprising mixtures of polyacryates with fluorine-containing polyacrylates
ARCHROMA IP GMBH1 citations63