Inventor

Shengkui Hu

Inventor

Baden, PA, US

Overview

2001–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 39 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Dprimary

C09DCoating compositions, e.g. paints, varnishes or lacquers16%

Y10TTechnical subjects covered by former us classification14%

C08LCompositions of macromolecular compounds13%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%

A61KPreparations for medical, dental or toiletry purposes6%

A61QSpecific use of cosmetics or similar toiletry preparations6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

C07CAcyclic or carbocyclic compounds4%

C07DHeterocyclic compounds4%

PatentTitleYear

11,098,149Photostable compositions comprising para-alkoxyl phenyl substituted propenoic acid (APP) copolymer derivatives2021 10,966,300Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs2021 10,801,892Methods and systems for quantitatively measuring photoprotection2020 10,632,096Method 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 oxygen2020 10,556,981Photostable compositions comprising para-alkoxyl phenyl substituted propenoic acid (APP) copolymer derivatives2020 9,926,289'Compositions, apparatus, systems, and methods for resolving electronic excited states'2018 9,867,800'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'2018 9,765,051'Compositions, apparatus, systems, and methods for resolving electronic excited states'2017 9,650,356'Compositions, apparatus, systems, and methods for resolving electronic excited states'2017 9,611,246'Compositions, apparatus, systems, and methods for resolving electronic excited states'2017 9,443,624'Aryl substituted propenoic amides and esters'2016 9,145,383'Compositions, apparatus, systems, and methods for resolving electronic excited states'2015 9,125,829'Method of photostabilizing UV absorbers, particularly dibenzyolmethane derivatives, e.g., Avobenzone, with cyano-containing fused tricyclic compounds'2015 8,133,590'Dual cure coating compositions, multi-component composite coatings, and related coated substrates'2012 7,794,844'Dual cure coating compositions, multi-component composite coatings, and related coated substrates'2010 7,345,108'Additives for imparting mar and scratch resistance and compositions comprising the same'2008 7,268,176'Additives for imparting mar and scratch resistance and compositions comprising the same'2007 7,163,748'Method for making solid, ungelled aminoplast crosslinkers'2007 7,141,308'Aminoplast crosslinkers derived from aromatic heterocycles containing nitrogen and powder coating compositions containing such crosslinkers'2006 7,125,606'Carboxylic acid modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2006 7,105,583'Radiation-curable compositions for optical fiber coating materials'2006 7,087,683'Sulfonamide modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2006 7,064,154'Radiation-curable composition for optical fiber coating materials'2006 6,998,365'Catalysts for low-cure powder coatings and methods for using the same'2006 6,878,791'Aminoplast crosslinkers derived from tall oil rosin powder coating compositions containing such crosslinkers'2005 6,872,760'Radiation-curable composition for optical fiber coating materials'2005 6,809,161'Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2004 6,797,387'Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2004 6,784,258'Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2004 6,713,182'Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers'2004 6,663,972'Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2003 6,635,724'Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2003 6,624,249'Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2003 6,613,436'Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers'2003 6,500,545'Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers'2002 6,479,611'Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers'2002 6,451,928'Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers'2002 6,441,103'Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers'2002 6,316,109'Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2012Patents assigned to PPG IND OHIO INC (26)· patent assignee history

2001–2004Based in Glenshaw, PA, US· patent location history

2003–2008Based in Baden, PA, US· patent location history

2010–2012Based in Tianjin, CN· patent location history

2012–2015Patents assigned to HU SHENGKUI (2)· patent assignee history

2015–2020Patents assigned to HALLSTAR INNOVATIONS CORP (10)· patent assignee history

2015Patents assigned to BONDA CRAIG A (1)· patent assignee history

2015–2021Based in Darien, IL, US· patent location history

2020–2021Patents assigned to HallStar Beauty and Personal Care Innovations Company (4)· patent assignee history

2021Based in San Jose, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PPG IND OHIO INC	26	2001–2012
HALLSTAR INNOVATIONS CORP	10	2015–2020
HallStar Beauty and Personal Care Innovations Company	4	2020–2021
HU SHENGKUIself	2	2012–2015
BONDA CRAIG A	1	2015

Locations

Location	Patents	Span
Baden, Pennsylvania, US	18	2003–2008
Darien, Illinois, US	12	2015–2021
Glenshaw, Pennsylvania, US	6	2001–2004
Tianjin, CN	2	2010–2012
San Jose, California, US	1	2021