Inventor
HELLRING STUART D
US89 patents
⚠️ This page may combine multiple inventors who share the name “HELLRING STUART D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOBIL OIL CORP
22 patentsUS5780703AJul 14, 1998
Process for producing low aromatic diesel fuel with high cetane index
MOBIL OIL CORP60 citations96
US6002059ADec 14, 1999
Process for upgrading natural gas
MOBIL OIL CORP35 citations93
US5347060ASep 13, 1994
Phase-transfer catalysis with onium-containing synthetic mesoporous crystalline material
MOBIL OIL CORP42 citations93
US4578521AMar 25, 1986
Shape-selective catalytic oxidation of phenol
MOBIL OIL CORP27 citations93
US5227552AJul 13, 1993
Process for hydrogenating alkenes in the presence of alkanes and a heterogeneous catalyst
MOBIL OIL CORP22 citations92
US5190736AMar 2, 1993
Synthesis of crystalline ZSM-35
MOBIL OIL CORP26 citations92
US4870192ASep 26, 1989
Production of lactones and omega-hydroxycarboxylic acids
MOBIL OIL CORP19 citations82
US5209918AMay 11, 1993
Synthesis of crystalline ZSM-5-type material
MOBIL OIL CORP20 citations81
US6207871B1Mar 27, 2001
High-purity meta-xylene production process
MOBIL OIL CORP14 citations74
US5639931AJun 17, 1997
Process for producing low aromatic diesel fuel with high cetane index
MOBIL OIL CORP12 citations74
US5583276ADec 10, 1996
Process for producing low aromatic diesel fuel with high cetane index
MOBIL OIL CORP7 citations74
US5453555ASep 26, 1995
Selective 1,2-diarylethane synthesis
MOBIL OIL CORP12 citations74
US5288475AFeb 22, 1994
Synthesis of ZSM-35
MOBIL OIL CORP15 citations74
US5288927AFeb 22, 1994
Para-selective butylation of phenol over fairly large-pore zeolites
MOBIL OIL CORP8 citations74
US5175375ADec 29, 1992
Selective ortho propylation of phenol over large pore zeolite
MOBIL OIL CORP11 citations74
US5143876ASep 1, 1992
Preparation of hydroxyl-rich zeolites
MOBIL OIL CORP18 citations74
US5072031ADec 10, 1991
Layered divalent metal phosphates containing pendent substituent groups and their preparation
MOBIL OIL CORP10 citations74
US4970397ANov 13, 1990
Method and apparatus for activating catalysts using electromagnetic radiation
MOBIL OIL CORP11 citations74
US4962228AOct 9, 1990
Layered divalent metal phosphates containing pendent substituent groups and their preparation
MOBIL OIL CORP8 citations74
US4846853AJul 11, 1989
Layered divalent metal hydrogen phosphates
MOBIL OIL CORP6 citations74
US4783571ANov 8, 1988
Catalytic conversion over dehydroxylated zeolite
MOBIL OIL CORP7 citations74
US4724270AFeb 9, 1988
Catalytic conversion over dehydroxylated zeolite
MOBIL OIL CORP16 citations74
PPG IND OHIO INC
19 patentsUS7015271B2Mar 21, 2006
Hydrophobic particulate inorganic oxides and polymeric compositions containing same
PPG IND OHIO INC108 citations97
US6736891B1May 18, 2004
Process for producing hydrophobic particulate inorganic oxides
PPG IND OHIO INC57 citations95
US6656241B1Dec 2, 2003
Silica-based slurry
PPG IND OHIO INC61 citations93
US9385374B2Jul 5, 2016
Electrode binder composition for lithium ion electrical storage devices
PPG IND OHIO INC11 citations92
US9273399B2Mar 1, 2016
Pretreatment compositions and methods for coating a battery electrode
PPG IND OHIO INC34 citations92
US7632563B2Dec 15, 2009
Transparent composite articles
PPG IND OHIO INC34 citations92
US7279119B2Oct 9, 2007
Silica and silica-based slurry
PPG IND OHIO INC31 citations91
US11370925B2Jun 28, 2022
Infrared fluorescent coatings
PPG IND OHIO INC7 citations85
US11808833B2Nov 7, 2023
Coatings for increasing near-infrared detection distances
PPG IND OHIO INC4 citations84
US10964949B2Mar 30, 2021
Electrode binder composition for lithium ion electrical storage devices
PPG IND OHIO INC8 citations84
US10763490B2Sep 1, 2020
Methods of coating an electrically conductive substrate and related electrodepositable compositions including graphenic carbon particles
PPG IND OHIO INC10 citations84
US10033043B2Jul 24, 2018
Electrode binder composition for lithium ion electrical storage devices
PPG IND OHIO INC9 citations84
US9870844B2Jan 16, 2018
Methods of coating an electrically conductive substrate and related electrodepositable compositions
PPG IND OHIO INC6 citations84
US9761903B2Sep 12, 2017
Lithium ion battery electrodes including graphenic carbon particles
PPG IND OHIO INC11 citations84
US9520591B2Dec 13, 2016
Methods of coating an electrically conductive substrate and related electrodepositable compositions
PPG IND OHIO INC6 citations84
US9150736B2Oct 6, 2015
Methods of coating an electrically conductive substrate and related electrodepositable compositions
PPG IND OHIO INC12 citations84
US10215855B2Feb 26, 2019
Coatings for increasing near-infrared detection distances
PPG IND OHIO INC9 citations83
US10901086B2Jan 26, 2021
Coatings for increasing near-infrared detection distances
PPG IND OHIO INC6 citations82
US10641895B2May 5, 2020
Coating for increasing near-infrared detection distances
PPG IND OHIO INC7 citations82
UNIV CALIFORNIA
2 patentsPRC DESOTO INT INC
2 patentsHELLRING STUART D
2 patentsDECKER ELDON L
1 patentVANIER NOEL R
1 patentMOBIL OIL
1 patentShowing the top 50 of 89 patents by PatentIndex Score.