Patent assignee · US · COMPANY

ExxonMobil Chemical Patents Inc.

3,311Patents
2,341Active
3,311Granted
61Portfolio score

Filing activity: Jun 22, 1990 → Aug 18, 2023 · 853 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6833415B2 Continuous slurry polymerization process and appparatus Chemistry; Metallurgy 454 Expired
US6525157B2 Propylene ethylene polymers Chemistry; Metallurgy 306 Expired
US6500563B1 Elastic films including crystalline polymer and crystallizable polymers of propylene Emerging Cross-Sectional Technologies 182 Expired
US7524910B2 Polyolefin adhesive compositions and articles made therefrom Emerging Cross-Sectional Technologies 145 Expired
US6747114B2 Polypropylene-based adhesive compositions Chemistry; Metallurgy 140 Expired
US6342565B1 Elastic fibers and articles made therefrom, including crystalline and crystallizable polymers of propylene Chemistry; Metallurgy 138 Expired
US6642316B1 Elastic blends comprising crystalline polymer and crystallizable polym Chemistry; Metallurgy 138 Expired
US6298652A Method for utilizing gas reserves with low methane concentrations and high inert gas concentrations for fueling gas turbines Emerging Cross-Sectional Technologies 125 Expired
US7563413B2 Compressor for high pressure polymerization Mechanical Engineering; Lighting; Heating 117 Active
US7294681B2 Mutliple catalyst system for olefin polymerization and polymers produced therefrom Emerging Cross-Sectional Technologies 113 Expired
US6881800B2 Processes and apparatus for continuous solution polymerization Emerging Cross-Sectional Technologies 100 Expired
US7972498B2 Resid processing for steam cracker feed and catalytic cracking Chemistry; Metallurgy 87 Active
US6372847B1 Polyolefin compositions having improved low temperature toughness Chemistry; Metallurgy 82 Expired
US7977519B2 Production of aromatic hydrocarbons from methane Emerging Cross-Sectional Technologies 81 Active
US7589246B2 Production of aromatics from methane Emerging Cross-Sectional Technologies 80 Active
US6811684B2 Hydrocarbon conversion process and catalyst useful therein Emerging Cross-Sectional Technologies 79 Expired
US6764602B2 Process of removing oxygenated contaminants from an olefin composition Emerging Cross-Sectional Technologies 79 Expired
US7629416B2 Plasticized polyolefin compositions Textiles; Paper 78 Expired
US7659437B2 Process for methane conversion Emerging Cross-Sectional Technologies 77 Active
US7183328B2 Methanol manufacture using pressure swing reforming Emerging Cross-Sectional Technologies 76 Expired
US6509290B1 Catalyst composition including attrition particles and method for making same Emerging Cross-Sectional Technologies 75 Expired
US7888543B2 Process for methane conversion Emerging Cross-Sectional Technologies 75 Active
US7795490B2 Production of aromatics from methane Emerging Cross-Sectional Technologies 74 Active
US7163907B1 Aluminum-free monocyclopentadienyl metallocene catalysts for olefin polymerization Chemistry; Metallurgy 74 Expired
US7148261B2 Methanol manufacture using pressure swing reforming Emerging Cross-Sectional Technologies 74 Expired

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