Inventor
HLAVINKA MARK L
US67 patents
⚠️ This page may combine multiple inventors who share the name “HLAVINKA MARK L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON PHILLIPS CHEMICAL CO LP
34 patentsUS10722874B2Jul 28, 2020
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP25 citations98
US10000594B2Jun 19, 2018
Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability
CHEVRON PHILLIPS CHEMICAL CO LP37 citations97
US10894250B2Jan 19, 2021
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP9 citations94
US10543480B2Jan 28, 2020
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP35 citations94
US10442881B2Oct 15, 2019
Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability
CHEVRON PHILLIPS CHEMICAL CO LP26 citations94
US10246528B2Apr 2, 2019
Chromium (III) catalyst systems with activator-supports
CHEVRON PHILLIPS CHEMICAL CO LP25 citations94
US10894249B2Jan 19, 2021
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP8 citations93
US9783478B2Oct 10, 2017
Methods for the production of α,β-unsaturated carboxylic acids and salts thereof
CHEVRON PHILLIPS CHEMICAL CO LP14 citations93
US9493589B1Nov 15, 2016
Polymers with improved ESCR for blow molding applications
CHEVRON PHILLIPS CHEMICAL CO LP46 citations93
US9416087B2Aug 16, 2016
Methods for the production of α,β-unsaturated carboxylic acids and salts thereof
CHEVRON PHILLIPS CHEMICAL CO LP19 citations93
US9896405B2Feb 20, 2018
Methods for the production of α,β-unsaturated carboxylic acids and salts thereof
CHEVRON PHILLIPS CHEMICAL CO LP14 citations92
US9725393B2Aug 8, 2017
Methods for the production of α,β-unsaturated carboxylic acids and salts thereof
CHEVRON PHILLIPS CHEMICAL CO LP16 citations92
US9550849B2Jan 24, 2017
Polymers with improved toughness and ESCR for large-part blow molding applications
CHEVRON PHILLIPS CHEMICAL CO LP13 citations92
US10858459B2Dec 8, 2020
Chromium (III) catalyst systems with activator-supports
CHEVRON PHILLIPS CHEMICAL CO LP11 citations86
US11358131B2Jun 14, 2022
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP2 citations84
US11117122B2Sep 14, 2021
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP4 citations84
US11110443B2Sep 7, 2021
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP5 citations84
US10662266B2May 26, 2020
Chromium (III) catalyst systems with activator-supports
CHEVRON PHILLIPS CHEMICAL CO LP8 citations84
US10392336B2Aug 27, 2019
Formation of alpha,beta-unsaturated carboxylic acids and salts thereof from metalalactones and anionic polyelectrolytes
CHEVRON PHILLIPS CHEMICAL CO LP6 citations84
US10160711B2Dec 25, 2018
Formation of α,β-unsaturated carboxylic acids and salts thereof from metalalactones and anionic polyelectrolytes
CHEVRON PHILLIPS CHEMICAL CO LP11 citations84
US10155711B2Dec 18, 2018
Methods for the production of alpha, beta-unsaturated carboxylic acids and salts thereof
CHEVRON PHILLIPS CHEMICAL CO LP9 citations84
US10155712B2Dec 18, 2018
Methods for the production of α,β-unsaturated carboxylic acids and salts thereof
CHEVRON PHILLIPS CHEMICAL CO LP9 citations84
US9611188B1Apr 4, 2017
Aromatic alkylation using chemically-treated solid oxides
CHEVRON PHILLIPS CHEMICAL CO LP5 citations84
US10544080B2Jan 28, 2020
Continuous process for the conversion of olefins and carbon dioxide to acrylates via solution phase reactor
CHEVRON PHILLIPS CHEMICAL CO LP5 citations83
US9650459B2May 16, 2017
Methods for controlling die swell in dual catalyst olefin polymerization systems
CHEVRON PHILLIPS CHEMICAL CO LP7 citations83
US11583841B2Feb 21, 2023
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US11583840B2Feb 21, 2023
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US11358132B2Jun 14, 2022
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US10821428B2Nov 3, 2020
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP4 citations73
US10584088B2Mar 10, 2020
Methods for the production of α,β-unsaturated carboxylic acids and salts thereof
CHEVRON PHILLIPS CHEMICAL CO LP1 citations73
US10550061B2Feb 4, 2020
Sulfur oxoacid-substituted and phosphorus oxoacid-substituted polyaromatic resins and salts thereof as promoters in acrylate production from coupling reactions of olefins and carbon dioxide
CHEVRON PHILLIPS CHEMICAL CO LP4 citations73
US10184018B2Jan 22, 2019
Polymers with improved toughness and ESCR for large-part blow molding applications
CHEVRON PHILLIPS CHEMICAL CO LP3 citations73
US9663594B2May 30, 2017
Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports
CHEVRON PHILLIPS CHEMICAL CO LP3 citations73
US9605100B2Mar 28, 2017
Higher density polyolefins with improved stress crack resistance
CHEVRON PHILLIPS CHEMICAL CO LP3 citations72
CHEVRON PHILLIPS CHEMICAL CO
10 patentsUS9273170B2Mar 1, 2016
Polymers with improved toughness and ESCR for large-part blow molding applications
CHEVRON PHILLIPS CHEMICAL CO63 citations97
US9156970B2Oct 13, 2015
Higher density polyolefins with improved stress crack resistance
CHEVRON PHILLIPS CHEMICAL CO38 citations96
US9394393B2Jul 19, 2016
Higher density polyolefins with improved stress crack resistance
CHEVRON PHILLIPS CHEMICAL CO31 citations93
US9394387B2Jul 19, 2016
Synthesis of aryl coupled bis phenoxides and their use in olefin polymerization catalyst systems with activator-supports
CHEVRON PHILLIPS CHEMICAL CO7 citations84
US9034991B2May 19, 2015
Polymer compositions and methods of making and using same
CHEVRON PHILLIPS CHEMICAL CO10 citations84
US8987394B2Mar 24, 2015
Catalyst compositions for the polymerization of olefins
CHEVRON PHILLIPS CHEMICAL CO9 citations84
US8937139B2Jan 20, 2015
Catalyst compositions and methods of making and using same
CHEVRON PHILLIPS CHEMICAL CO15 citations84
US8895679B2Nov 25, 2014
Catalyst compositions and methods of making and using same
CHEVRON PHILLIPS CHEMICAL CO8 citations84
US9115225B2Aug 25, 2015
Catalyst systems for production of alpha olefin oligomers and polymers
CHEVRON PHILLIPS CHEMICAL CO5 citations73
US8877672B2Nov 4, 2014
Catalyst compositions and methods of making and using same
CHEVRON PHILLIPS CHEMICAL CO6 citations73
HLAVINKA MARK L
4 patentsUS8791217B2Jul 29, 2014
Catalyst systems for production of alpha olefin oligomers and polymers
HLAVINKA MARK L32 citations94
US8785576B2Jul 22, 2014
Catalyst compositions for the polymerization of olefins
HLAVINKA MARK L9 citations84
US8618229B2Dec 31, 2013
Catalyst compositions containing transition metal complexes with thiolate ligands
HLAVINKA MARK L9 citations84
US9284391B2Mar 15, 2016
Polymer compositions having improved barrier properties
HLAVINKA MARK L9 citations83
YANG QING
2 patentsShowing the top 50 of 67 patents by PatentIndex Score.