John Severn
14Patents
3h-index
32Co-inventors
56Inventor score
Filing activity: May 1, 2008 → Sep 27, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8476370B2 | High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom | Emerging Cross-Sectional Technologies | 7 | Active |
| US9469700B2 | Polymerisation process and catalyst | Chemistry; Metallurgy | 5 | Active |
| US9475890B2 | Catalyst | Chemistry; Metallurgy | 3 | Active |
| US8420562B2 | Process for the preparation of an unsupported, solid metallocene catalyst system and its use in polymerization of olefins | Chemistry; Metallurgy | 3 | Active |
| US9771440B2 | Preparation of ultra high molecular weight polyethylene | Emerging Cross-Sectional Technologies | 1 | Active |
| US11400639B2 | Transparent drawn article | Chemistry; Metallurgy | 0 | Active |
| US8044155B2 | Titanocene-based catalyst system | Emerging Cross-Sectional Technologies | 0 | Active |
| US10647792B2 | Preparation of ultra high molecular weight polyethylene | Emerging Cross-Sectional Technologies | 0 | Active |
| US10221262B2 | Preparation of ultra high molecular weight ethylene copolymer | Chemistry; Metallurgy | 0 | Active |
| US8828901B2 | Preparation of a solid catalyst system | Chemistry; Metallurgy | 0 | Active |
| US10676844B2 | Low creep fiber | Textiles; Paper | 0 | Active |
| US8962509B2 | Preparation of a solid catalyst system | Emerging Cross-Sectional Technologies | 0 | Active |
| US8394733B2 | Process for the preparation of an unsupported, solid olefin polymerisation catalyst and use in polymerisation of olefins | Chemistry; Metallurgy | 0 | Active |
| US9079988B2 | Preparation of propylene copolymer with dynamically operated reactor | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.