Inventor
IONKIN ALEX SERGEY
US48 patents
⚠️ This page may combine multiple inventors who share the name “IONKIN ALEX SERGEY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
32 patentsUS7675228B2Mar 9, 2010
Electroluminescent iridium compounds with silylated, germanylated, and stannylated ligands, and devices made with such compounds
DU PONT110 citations98
US7233019B2Jun 19, 2007
Electroluminescent silylated pyrenes, and devices made with such compounds
DU PONT67 citations98
US7442819B2Oct 28, 2008
Catalysts for olefin polymerization or oligomerization
DU PONT54 citations96
US5986127ANov 16, 1999
Aminonitrile production
DU PONT58 citations94
US6506861B2Jan 14, 2003
Polymerization of olefins
DU PONT21 citations93
US6569802B1May 27, 2003
Catalyst for selective hydrogenation of dinitriles
DU PONT23 citations92
US6541585B2Apr 1, 2003
Polymerization of olefins
DU PONT22 citations92
US6258745B1Jul 10, 2001
Aminonitrile production
DU PONT8 citations71
US6080884AJun 27, 2000
Aminonitrile production
DU PONT13 citations71
US7371879B2May 13, 2008
Bivalent monomeric phenoxy tin compounds
DU PONT3 citations63
US6737540B2May 18, 2004
Aminonitrile production
DU PONT2 citations63
US6566297B2May 20, 2003
Aminonitrile production
DU PONT2 citations63
US6506927B1Jan 14, 2003
Aminonitrile production
DU PONT2 citations63
US6455723B1Sep 24, 2002
Aminonitrile production
DU PONT2 citations63
US8022152B2Sep 20, 2011
Copolymers of vinyl- and allylsilanes
DU PONT2 citations61
US7348388B2Mar 25, 2008
Copolymers of olefins and vinyl- and allylsilanes
DU PONT4 citations61
US6680403B1Jan 20, 2004
Process for hydrogenating dinitriles in aminonitriles
DU PONT2 citations55
US8021726B2Sep 20, 2011
Compositions and processes for preparing color filter elements using alkali metal fluorides
DU PONT0 citations52
US7771919B2Aug 10, 2010
High refractive index fluids for immersion lithography
DU PONT1 citations52
US7737277B2Jun 15, 2010
Electroluminescent bis-cyclometalled iridium compounds and devices made with such compounds
DU PONT1 citations52
US7718997B2May 18, 2010
Tetrasubstituted coronenes
DU PONT1 citations52
US7671163B2Mar 2, 2010
Polymerization process using bivalent monomeric phenoxy tin catalysts
DU PONT0 citations52
US7625992B2Dec 1, 2009
Processes for polyurethane polymerization using polysilyl derivatives of germanium and tin as catalysts
DU PONT0 citations52
US7449601B2Nov 11, 2008
Catalysts useful for catalyzing the coupling of arylhalides with arylboronic acids
DU PONT0 citations52
US6720444B2Apr 13, 2004
Aminonitrile production
DU PONT0 citations52
US6710201B2Mar 23, 2004
Aminonitrile production
DU PONT0 citations52
US6455724B1Sep 24, 2002
Aminonitrile production
DU PONT1 citations52
US7626049B2Dec 1, 2009
Stabilized divalent germanium and tin compounds, processes for making the compounds, and processes using the compounds
DU PONT0 citations51
US8053545B2Nov 8, 2011
Processes for making stabilized divalent germanium and tin compounds
DU PONT0 citations50
US8048498B2Nov 1, 2011
Compositions and processes for preparing color filter elements using vanadium catalysts
DU PONT0 citations50
US7402345B2Jul 22, 2008
Electroluminescent iridium compounds with fluorinated phenylpyridine ligands, and devices made with such compounds
DU PONT0 citations42
US7358406B2Apr 15, 2008
Electroluminescent fluorinated pyrenes, and devices made with such compounds
DU PONT0 citations42
IONKIN ALEX SERGEY
11 patentsUS8470287B2Jun 25, 2013
Preparation of copper zinc tin sulfide
IONKIN ALEX SERGEY2 citations62
US8115378B2Feb 14, 2012
Tetra-substituted chrysenes for luminescent applications
IONKIN ALEX SERGEY5 citations62
US8709657B2Apr 29, 2014
Quaternary chalcogenide wafers
IONKIN ALEX SERGEY3 citations60
US8480944B2Jul 9, 2013
Quaternary chalcogenide wafers
IONKIN ALEX SERGEY3 citations60
US8470288B2Jun 25, 2013
Preparation of CZTS in an ionic liquid
IONKIN ALEX SERGEY0 citations52
US8414862B2Apr 9, 2013
Preparation of CZTS and its analogs in ionic liquids
IONKIN ALEX SERGEY0 citations52
US8178175B2May 15, 2012
Thermal transfer donor elements with ionic liquids
IONKIN ALEX SERGEY0 citations52
US8153794B2Apr 10, 2012
Catalysts useful for catalyzing the coupling of arylhalides with arylboronic acids
IONKIN ALEX SERGEY0 citations52
US9076571B2Jul 7, 2015
Thick-film conductive compositions with nano-sized zinc additive
IONKIN ALEX SERGEY1 citations50
US8449859B2May 28, 2013
Syntheses of quaternary chalcogenides in cesium, rubidium, barium and lanthanum containing fluxes
IONKIN ALEX SERGEY0 citations50
US8734687B2May 27, 2014
Screen-printable quaternary chalcogenide compositions
IONKIN ALEX SERGEY0 citations38