Patent assignee · US · COMPANY

Fina Technology, Inc.

687Patents
363Active
687Granted
55Portfolio score

Filing activity: Feb 3, 1987 → Nov 21, 2023 · 141 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4794096A Hafnium metallocene catalyst for the polymerization of olefins Emerging Cross-Sectional Technologies 494 Expired
US4892851A Process and catalyst for producing syndiotactic polyolefins Emerging Cross-Sectional Technologies 346 Expired
US5387568A Preparation of metallocene catalysts for polymerization of olefins Emerging Cross-Sectional Technologies 184 Expired
US5739220A Method of olefin polymerization utilizing hydrogen pulsing, products made therefrom, and method of hydrogenation Emerging Cross-Sectional Technologies 179 Expired
US5155080A Process and catalyst for producing syndiotactic polyolefins Emerging Cross-Sectional Technologies 171 Expired
US5036034A Catalyst for producing hemiisotactic polypropylene Emerging Cross-Sectional Technologies 125 Expired
US4975403A Catalyst systems for producing polyolefins having a broad molecular weight distribution Emerging Cross-Sectional Technologies 110 Expired
US5416228A Process and catalyst for producing isotactic polyolefins Chemistry; Metallurgy 103 Expired
US5225500A Process and catalyst for producing syndiotactic polyolefins Emerging Cross-Sectional Technologies 100 Expired
US6090325A Biaxially-oriented metallocene-based polypropylene films Emerging Cross-Sectional Technologies 99 Expired
US6184326A Syndiotactic polypropylene Chemistry; Metallurgy 97 Expired
US4927797A Catalyst system for the polymerization of olefins Emerging Cross-Sectional Technologies 85 Expired
US4917789A Catalytic dewaxing process Mechanical Engineering; Lighting; Heating 84 Expired
US5162278A Non-bridged syndiospecific metallocene catalysts and polymerization process Emerging Cross-Sectional Technologies 77 Expired
US5663249A Catalyst and process for polymerization of olefins Emerging Cross-Sectional Technologies 73 Expired
US5561092A Metallocene catalysts with lewis acids and aluminum alkyls Emerging Cross-Sectional Technologies 69 Expired
US5334677A Process for producing syndiotactic polyolefins Emerging Cross-Sectional Technologies 68 Expired
US8399726B2 Reactors and processes for the oxidative coupling of hydrocarbons Emerging Cross-Sectional Technologies 67 Active
US5395810A Method of making a homogeneous-heterogenous catalyst system for olefin polymerization Chemistry; Metallurgy 63 Expired
US5030786A Liquid phase aromatic conversion process Chemistry; Metallurgy 61 Expired
US5243002A Process and catalyst for producing syndiotactic polymers Emerging Cross-Sectional Technologies 60 Expired
US8912381B2 Process for the oxidative coupling of methane Emerging Cross-Sectional Technologies 59 Active
US8796497B2 Process for the oxidative coupling of hydrocarbons Chemistry; Metallurgy 58 Active
US8710286B2 Oxidative coupling of hydrocarbons as heat source Chemistry; Metallurgy 58 Active
US8729328B2 Process for the oxidative coupling of hydrocarbons Chemistry; Metallurgy 57 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.