Inventor · Porvoo, FI

Markku Vahteri

24Patents
5h-index
65Co-inventors
68Inventor score

Filing activity: Feb 3, 2003 → Jun 19, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US9234061B2 Multimodal polymer Chemistry; Metallurgy 20 Active
US8445599B2 Multi-stage process for producing polyethylene with lowered gel formation Chemistry; Metallurgy 10 Active
US7576166B2 Process for the production of linear low-density polyethylene composition Chemistry; Metallurgy 7 Expired
US10364310B2 Process for producing polyethylene Chemistry; Metallurgy 6 Active
US8461280B2 Multi-stage process for producing multimodal linear low density polyethylene polymers Chemistry; Metallurgy 5 Active
US9017784B2 Pipe having improved high temperature resistance Emerging Cross-Sectional Technologies 3 Active
US7256239B2 Polymer film Emerging Cross-Sectional Technologies 3 Expired
US8142871B2 Coated pipes having improved mechanical properties at elevated temperatures and a method of production thereof Emerging Cross-Sectional Technologies 2 Active
US11292858B2 Polypropylene composition combining low sealing initiation temperature and high melting temperature Chemistry; Metallurgy 2 Active
US9434798B2 Cross-linkable polyethylene resin for pipes made by a single-site catalyst Emerging Cross-Sectional Technologies 2 Active
US7524897B2 Film with high impact strength Emerging Cross-Sectional Technologies 1 Expired
US11618794B2 Long chain branched propylene polymer composition Chemistry; Metallurgy 1 Active
US7737222B2 Pressureless polymer pipe Emerging Cross-Sectional Technologies 1 Expired
US11572461B2 Multimodal copolymer of ethylene and at least two alpha-olefin comonomers and final articles made thereof Chemistry; Metallurgy 1 Active
US10619036B2 Multimodal polyethylene copolymer Chemistry; Metallurgy 1 Active
US10385194B2 Polyethylene composition for a film layer Chemistry; Metallurgy 1 Active
US10494465B2 Film layer Chemistry; Metallurgy 1 Active
US10800864B2 Process for producing polyethylene Chemistry; Metallurgy 0 Active
US10584196B2 Process for producing LLDPE resins Chemistry; Metallurgy 0 Active
US9951213B2 Multistage process for producing polyethylene compositions Chemistry; Metallurgy 0 Active
US8361578B2 Process for coating a pipe with high throughput using multimodal ethylene copolymer, and coated pipes obtained thereof Emerging Cross-Sectional Technologies 0 Active
US12344683B2 Process for producing a prepolymerized solid Ziegler-Natta catalyst Chemistry; Metallurgy 0 Active
US10752763B2 Heterophasic polyolefin composition having improved optical properties Chemistry; Metallurgy 0 Active
US8623482B2 Coated pipe with high throughput using multimodal ethylene copolymer Emerging Cross-Sectional Technologies 0 Active

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