Inventor · Tulsa, OK, US

Mark L. Hlavinka

66Patents
12h-index
44Co-inventors
80Inventor score

Filing activity: Jul 6, 2010 → Jun 21, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9273170B2 Polymers with improved toughness and ESCR for large-part blow molding applications Chemistry; Metallurgy 46 Active
US10000594B2 Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability Chemistry; Metallurgy 33 Active
US10543480B2 Methods of preparing a catalyst utilizing hydrated reagents Chemistry; Metallurgy 31 Active
US9394393B2 Higher density polyolefins with improved stress crack resistance Chemistry; Metallurgy 29 Active
US9156970B2 Higher density polyolefins with improved stress crack resistance Chemistry; Metallurgy 29 Active
US8791217B2 Catalyst systems for production of alpha olefin oligomers and polymers Chemistry; Metallurgy 26 Active
US10442881B2 Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability Chemistry; Metallurgy 25 Active
US9493589B1 Polymers with improved ESCR for blow molding applications Chemistry; Metallurgy 24 Active
US10722874B2 Methods of preparing a catalyst utilizing hydrated reagents Chemistry; Metallurgy 22 Active
US10246528B2 Chromium (III) catalyst systems with activator-supports Chemistry; Metallurgy 21 Active
US9416087B2 Methods for the production of α,β-unsaturated carboxylic acids and salts thereof Performing Operations; Transporting 16 Active
US9725393B2 Methods for the production of α,β-unsaturated carboxylic acids and salts thereof Performing Operations; Transporting 13 Active
US9783478B2 Methods for the production of α,β-unsaturated carboxylic acids and salts thereof Performing Operations; Transporting 12 Active
US10858459B2 Chromium (III) catalyst systems with activator-supports Chemistry; Metallurgy 11 Active
US9896405B2 Methods for the production of α,β-unsaturated carboxylic acids and salts thereof Performing Operations; Transporting 11 Active
US10662266B2 Chromium (III) catalyst systems with activator-supports Chemistry; Metallurgy 8 Active
US10160711B2 Formation of α,β-unsaturated carboxylic acids and salts thereof from metalalactones and anionic polyelectrolytes Chemistry; Metallurgy 8 Active
US10894249B2 Methods of preparing a catalyst utilizing hydrated reagents Chemistry; Metallurgy 8 Active
US8937139B2 Catalyst compositions and methods of making and using same Performing Operations; Transporting 8 Active
US10894250B2 Methods of preparing a catalyst utilizing hydrated reagents Chemistry; Metallurgy 8 Active
US10155712B2 Methods for the production of α,β-unsaturated carboxylic acids and salts thereof Performing Operations; Transporting 8 Active
US10155711B2 Methods for the production of alpha, beta-unsaturated carboxylic acids and salts thereof Performing Operations; Transporting 8 Active
US9018329B2 Polymer compositions having improved barrier properties Emerging Cross-Sectional Technologies 7 Active
US8618229B2 Catalyst compositions containing transition metal complexes with thiolate ligands Chemistry; Metallurgy 7 Active
US8987394B2 Catalyst compositions for the polymerization of olefins Chemistry; Metallurgy 7 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.