Howard W. Turner
98Patents
31h-index
80Co-inventors
91Inventor score
Filing activity: Feb 19, 1987 → Nov 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5198401A | Ionic metallocene catalyst compositions | Emerging Cross-Sectional Technologies | 598 | Expired |
| US5153157A | Catalyst system of enhanced productivity | Emerging Cross-Sectional Technologies | 533 | Expired |
| US4752597A | New polymerization catalyst | Emerging Cross-Sectional Technologies | 329 | Expired |
| US5241025A | Catalyst system of enhanced productivity | Emerging Cross-Sectional Technologies | 260 | Expired |
| US6030917A | Combinatorial synthesis and analysis of organometallic compounds and catalysts | Physics | 247 | Expired |
| US5278119A | Catalysts, method of preparing these catalysts, and polymerization processes wherein these catalysts are used | Emerging Cross-Sectional Technologies | 229 | Expired |
| US5391629A | Block copolymers from ionic catalysts | Chemistry; Metallurgy | 199 | Expired |
| US6306658A | Parallel reactor with internal sensing | Emerging Cross-Sectional Technologies | 190 | Expired |
| US5318935A | Amido transition metal compound and a catalyst system for the production of isotatic polypropylene | Emerging Cross-Sectional Technologies | 167 | Expired |
| US5599761A | Ionic metallocene catalyst compositions | Emerging Cross-Sectional Technologies | 158 | Expired |
| US5408017A | High temperature polymerization process using ionic catalysts to produce polyolefins | Chemistry; Metallurgy | 151 | Expired |
| US5427991A | Polyionic transition metal catalyst composition | Chemistry; Metallurgy | 130 | Expired |
| US5767208A | High temperature olefin polymerization process | Emerging Cross-Sectional Technologies | 98 | Expired |
| US5504049A | Transition metal olefin polymerization catalysts | Emerging Cross-Sectional Technologies | 97 | Expired |
| US4791180A | New polymerization catalyst | Emerging Cross-Sectional Technologies | 89 | Expired |
| US5229022A | Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920) | Chemistry; Metallurgy | 88 | Expired |
| US5384299A | Ionic metallocene catalyst compositions | Emerging Cross-Sectional Technologies | 87 | Expired |
| US7163907B1 | Aluminum-free monocyclopentadienyl metallocene catalysts for olefin polymerization | Chemistry; Metallurgy | 74 | Expired |
| US5621126A | Monocyclopentadienyl metal compounds for ethylene-.alpha.-olefin-copolymer production catalysts | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6248540A | Combinatorial synthesis and analysis of organometallic compounds and homogeneous catalysts | Physics | 72 | Expired |
| US6455316B1 | Parallel reactor with internal sensing and method of using same | Emerging Cross-Sectional Technologies | 71 | Expired |
| US5907021A | High temperature olefin polymerization process | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5407884A | Catalysts, method of preparing these catalysts, and polymerization processes wherein these catalysts are used | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5470927A | Ionic metallocene catalyst compositions | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5483014A | Catalysts, method of preparing these catalysts, and polymerization processes wherein these catalysts are used | Emerging Cross-Sectional Technologies | 52 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.