Inventor
HU SHENGKUI
US42 patents
⚠️ This page may combine multiple inventors who share the name “HU SHENGKUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PPG IND OHIO INC
25 patentsUS6797387B2Sep 28, 2004
Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC41 citations92
US7105583B2Sep 12, 2006
Radiation-curable compositions for optical fiber coating materials
PPG IND OHIO INC12 citations84
US6613436B2Sep 2, 2003
Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC18 citations84
US6500545B1Dec 31, 2002
Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC14 citations84
US7268176B2Sep 11, 2007
Additives for imparting mar and scratch resistance and compositions comprising the same
PPG IND OHIO INC12 citations83
US7141308B2Nov 28, 2006
Aminoplast crosslinkers derived from aromatic heterocycles containing nitrogen and powder coating compositions containing such crosslinkers
PPG IND OHIO INC10 citations74
US6998365B2Feb 14, 2006
Catalysts for low-cure powder coatings and methods for using the same
PPG IND OHIO INC8 citations74
US6451928B1Sep 17, 2002
Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC12 citations74
US6441103B1Aug 27, 2002
Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC8 citations74
US6316109B1Nov 13, 2001
Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC12 citations74
US7794844B2Sep 14, 2010
Dual cure coating compositions, multi-component composite coatings, and related coated substrates
PPG IND OHIO INC5 citations73
US6878791B2Apr 12, 2005
Aminoplast crosslinkers derived from tall oil rosin powder coating compositions containing such crosslinkers
PPG IND OHIO INC2 citations63
US6635724B2Oct 21, 2003
Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC3 citations63
US7345108B2Mar 18, 2008
Additives for imparting mar and scratch resistance and compositions comprising the same
PPG IND OHIO INC4 citations62
US7087683B2Aug 8, 2006
Sulfonamide modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC4 citations62
US7064154B2Jun 20, 2006
Radiation-curable composition for optical fiber coating materials
PPG IND OHIO INC4 citations62
US6872760B2Mar 29, 2005
Radiation-curable composition for optical fiber coating materials
PPG IND OHIO INC4 citations62
US6784258B2Aug 31, 2004
Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC3 citations62
US6663972B2Dec 16, 2003
Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC2 citations62
US6624249B2Sep 23, 2003
Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC6 citations62
US7163748B2Jan 16, 2007
Method for making solid, ungelled aminoplast crosslinkers
PPG IND OHIO INC1 citations52
US6809161B2Oct 26, 2004
Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC0 citations52
US6713182B2Mar 30, 2004
Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC0 citations52
US6479611B2Nov 12, 2002
Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC1 citations52
US7125606B2Oct 24, 2006
Carboxylic acid modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers
PPG IND OHIO INC0 citations51
HALLSTAR INNOVATIONS CORP
9 patentsUS9867800B2Jan 16, 2018
Method of quenching singlet and triplet excited states of pigments, such as porphyrin compounds, particularly protoporphyrin IX, with conjugated fused tricyclic compounds have electron withdrawing groups, to reduce generation of reactive oxygen species, particularly singlet oxygen
HALLSTAR INNOVATIONS CORP21 citations94
US9926289B2Mar 27, 2018
Compositions, apparatus, systems, and methods for resolving electronic excited states
HALLSTAR INNOVATIONS CORP18 citations93
US9765051B2Sep 19, 2017
Compositions, apparatus, systems, and methods for resolving electronic excited states
HALLSTAR INNOVATIONS CORP22 citations93
US9611246B2Apr 4, 2017
Compositions, apparatus, systems, and methods for resolving electronic excited states
HALLSTAR INNOVATIONS CORP22 citations93
US9145383B2Sep 29, 2015
Compositions, apparatus, systems, and methods for resolving electronic excited states
HALLSTAR INNOVATIONS CORP25 citations92
US10556981B2Feb 11, 2020
Photostable compositions comprising para-alkoxyl phenyl substituted propenoic acid (APP) copolymer derivatives
HALLSTAR INNOVATIONS CORP1 citations70
US10632096B2Apr 28, 2020
Method of quenching singlet and triplet excited states of photodegradable pigments, such as porphyrin compounds, particularly protoporphyrin IX, with conjugated fused tricyclic compounds having electron withdrawing groups, to reduce generation of singlet oxygen
HALLSTAR INNOVATIONS CORP0 citations52
US10801892B2Oct 13, 2020
Methods and systems for quantitatively measuring photoprotection
HALLSTAR INNOVATIONS CORP0 citations47
US9443624B2Sep 13, 2016
Aryl substituted propenoic amides and esters
HALLSTAR INNOVATIONS CORP0 citations37
HallStar Beauty and Personal Care Innovations Company
6 patentsUS10939025B2Mar 2, 2021
Protection and skin damage detection devices and system
HallStar Beauty and Personal Care Innovations Company2 citations72
US11098149B2Aug 24, 2021
Photostable compositions comprising para-alkoxyl phenyl substituted propenoic acid (APP) copolymer derivatives
HallStar Beauty and Personal Care Innovations Company1 citations69
US12162972B2Dec 10, 2024
Photostable compositions comprising para-alkoxyl phenyl substituted propenoic acid (APP) copolymer derivatives
HallStar Beauty and Personal Care Innovations Company0 citations59
US11767392B2Sep 26, 2023
Photostable compositions comprising para-alkoxyl phenyl substituted propenoic acid (APP) copolymer derivatives
HallStar Beauty and Personal Care Innovations Company0 citations59
US11566943B2Jan 31, 2023
Methods and systems for quantitatively measuring photoprotection
HallStar Beauty and Personal Care Innovations Company1 citations57
US12514812B2Jan 6, 2026
Water-in-oil emulsifier derived from natural sources
HallStar Beauty and Personal Care Innovations Company0 citations47