Patent assignee · CA · COMPANY

Iogen Energy Corporation

68Patents
61Active
68Granted
53Portfolio score

Filing activity: Sep 9, 1999 → Mar 25, 2020 · 34 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7198925B2 Pre-treatment of bales of feedstock Emerging Cross-Sectional Technologies 59 Expired
US7901511B2 Method of processing lignocellulosic feedstock for enhanced xylose and ethanol production Emerging Cross-Sectional Technologies 53 Expired
US7585652B2 Recovery of inorganic salt during processing of lignocellulosic feedstocks Emerging Cross-Sectional Technologies 52 Expired
US7754457B2 Method of continuous processing of lignocellulosic feedstock Emerging Cross-Sectional Technologies 44 Active
US7670813B2 Inorganic salt recovery during processing of lignocellulosic feedstocks Emerging Cross-Sectional Technologies 36 Active
US7718070B2 Method of obtaining an organic salt or acid from an aqueous sugar stream Performing Operations; Transporting 25 Active
US8328947B2 Method for low water hydrolysis or pretreatment of polysaccharides in a lignocellulosic feedstock Emerging Cross-Sectional Technologies 24 Active
US8003352B2 Method of obtaining a product sugar stream from cellulosic biomass Emerging Cross-Sectional Technologies 24 Active
US7993463B2 Method of processing lignocellulosic feedstock for enhanced xylose and ethanol production Emerging Cross-Sectional Technologies 22 Active
US8017820B2 Continuous flowing pre-treatment system with steam recovery Emerging Cross-Sectional Technologies 22 Active
US8247203B2 Recovery of inorganic salt during processing of lignocellulosic feedstocks Emerging Cross-Sectional Technologies 17 Active
US7709042B2 Process for producing a pretreated feedstock Emerging Cross-Sectional Technologies 14 Active
US7727746B2 Upflow reactor for enzymatic hydrolysis of cellulose Emerging Cross-Sectional Technologies 13 Active
US9102951B2 Process for recovering salt during a lignocellulosic conversion process Emerging Cross-Sectional Technologies 13 Active
US8192968B2 Method for the production of a fermentation product from a pretreated lignocellulosic feedstock Emerging Cross-Sectional Technologies 13 Active
US8709770B2 Process for improving the hydrolysis of cellulose in high consistency systems using one or more unmixed and mixed hydrolysis reactors Emerging Cross-Sectional Technologies 12 Active
US7419809B2 Method for glucose production with a modified cellulase mixture Chemistry; Metallurgy 12 Expired
US8017361B2 Enzymatic hydrolysis of lignocellulosic feedstocks using accessory enzymes Emerging Cross-Sectional Technologies 11 Active
US8980599B2 Method for the production of alcohol from a pretreated lignocellulosic feedstock Emerging Cross-Sectional Technologies 11 Active
US8247200B2 Method of obtaining inorganic salt and acetate salt from cellulosic biomass Chemistry; Metallurgy 11 Active
US7785854B2 Modified cellulases with increased thermostability, thermophilicity, and alkalophilicity Chemistry; Metallurgy 10 Active
US8017373B2 Process for enzymatic hydrolysis of pretreated lignocellulosic feedstocks Chemistry; Metallurgy 10 Active
US9315427B2 Method for producing a soil conditioning composition from a lignocellulosic conversion process Emerging Cross-Sectional Technologies 7 Active
US8273181B2 Process of removing calcium and obtaining sulfate salts from an aqueous sugar solution Emerging Cross-Sectional Technologies 6 Active
US8603789B2 Method for introducing cellulase enzyme to lignocellulosic feedstock slurry Emerging Cross-Sectional Technologies 6 Active

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