Inventor
DRAPPEL STEPHAN
CA32 patents
⚠️ This page may combine multiple inventors who share the name “DRAPPEL STEPHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
28 patentsUS5378574AJan 3, 1995
Inks and liquid developers containing colored silica particles
XEROX CORP159 citations99
US5227460AJul 13, 1993
Cross-linked toner resins
XEROX CORP267 citations99
US5376494ADec 27, 1994
Reactive melt mixing process for preparing cross-linked toner resin
XEROX CORP111 citations98
US5166026ANov 24, 1992
Toner and developer compositions with semicrystalline polyolefin resins
XEROX CORP59 citations96
US5030535AJul 9, 1991
Liquid developer compositions containing polyolefin resins
XEROX CORP51 citations96
US4973539ANov 27, 1990
Toner and developer compositions with crosslinked liquid crystalline resins
XEROX CORP69 citations96
US5176974AJan 5, 1993
Imaging apparatuses and processes
XEROX CORP53 citations95
US7501015B2Mar 10, 2009
Phase change inks
XEROX CORP21 citations92
US5352556AOct 4, 1994
Toners having cross-linked toner resins
XEROX CORP30 citations92
US7789502B2Sep 7, 2010
Process and apparatus for ink jet ultraviolet transfuse
XEROX CORP10 citations84
US5401602AMar 28, 1995
Reactive melt mixing process for preparing cross-linked toner resins and toners therefrom
XEROX CORP18 citations82
US4880720ANov 14, 1989
Liquid developer compositions
XEROX CORP11 citations74
US4830945AMay 16, 1989
Liquid electrophotographic developer comprising oppositely charged toner particles and dyes of different colors
XEROX CORP16 citations74
US4803119AFeb 7, 1989
Ink compositions for impact typewriter ribbons
XEROX CORP17 citations74
US5275903AJan 4, 1994
Modified thermotropic liquid crystalline compositions
XEROX CORP10 citations73
US8747535B1Jun 10, 2014
Solid ink compositions comprising crystalline-amorphous mixtures
XEROX CORP5 citations72
US5177153AJan 5, 1993
Suspension polymerization process for the preparation of polymeric material from gaseous and non-gaseous monomers
XEROX CORP7 citations72
US5082919AJan 21, 1992
Crosslinked thermotropic liquid crystalling polyarylate
XEROX CORP7 citations72
US5023160AJun 11, 1991
Liquid developer compositions
XEROX CORP2 citations63
US4960667AOct 2, 1990
Positively charged black liquid electrophotographic developer compositions
XEROX CORP3 citations63
US4797342AJan 10, 1989
Processes for the preparation of liquid developers with low vapor pressure components
XEROX CORP4 citations63
US7572325B2Aug 11, 2009
Ink carriers, phase change inks including same and methods for making same
XEROX CORP2 citations60
US8030126B2Oct 4, 2011
Printing process for enhanced jetted performance of semiconductor layer
XEROX CORP0 citations52
US9096767B2Aug 4, 2015
Curable solid inks containing cyclohexyl-based crystalline gellants
XEROX CORP0 citations51
US9005708B2Apr 14, 2015
Undercoat composition for ink jet printing
XEROX CORP0 citations51
US8999444B2Apr 7, 2015
Overcoat composition for ink jet printing
XEROX CORP0 citations51
US8952094B2Feb 10, 2015
Reversible polymer composition
XEROX CORP0 citations51
US7811370B2Oct 12, 2010
Phase change ink compositions
XEROX CORP0 citations39