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Table 3 Published patents recovered in the database of the World Intellectual Property Organization (WIPO) related to high-solids enzymatic hydrolysis

From: Constraints and advances in high-solids enzymatic hydrolysis of lignocellulosic biomass: a critical review

Patent titleApplicant/current assignedDate of publication or grantaSummary of the inventionReferences
Reactor for continuous saccharification of high-solids biomassSK Innovation Co., LTD2015Design of a reactor for continuous saccharification of biomass at high-solids loading[172]
High-solids biomass slurry generation for enhanced efficiency hydrolysis processing and equipment design to yield the sameEdeniq, INC.2017Shear cutting elements as impellers and a “pump ring” to enable high-solids enzymatic hydrolysis with high yields[173]
Continuous countercurrent enzymatic hydrolysis of pretreated biomass at high-solids concentrationsGranbio Intellectual Property Holdings LLC2018Method of continuous countercurrent enzymatic hydrolysis in a reactor with perforated screw blades[174]
Non-pressurized pretreatment, enzymatic hydrolysis and fermentation of waste fractionRenescience AS2018High-solids enzymatic hydrolysis conducted in a free-fall mixing reactor[175]
Enzymatic hydrolysis of celluloseBorregaard AS2012Use of three hydrolysis tanks to conduct high-solids enzymatic hydrolysis[176]
Process for improving the hydrolysis of cellulose in high-consistency systems using one or more unmixed and mixed hydrolysis reactorsIogen Energy Corporation2014The use of an initial unmixed reactor and subsequently a mixed reactor[177]
Enzymatic hydrolysis of biomasses having a high dry matter (DM) contentInbicon A/S2010Design of a horizontal reactor for saccharification of biomass at high-solids loading[178]
High-consistency enzymatic hydrolysis for the production of ethanolPhillips Richard2012Thickening process by recycling the filtrate[179]
Methods and systems for enzymatic hydrolysis of pretreated biomass at high-solids concentrationsGranbio Intellectual Property Holdings LLC2019Use of a surfactant and substrate recycling during high-solids enzymatic hydrolysis[180]
Method for the hydrolysis of lignocellulosic biomassFiberight Limited2018bUse of a surfactant during high-solids enzymatic hydrolysis[181]
Process for simultaneous saccharification and fermentation for production of ethanolE. I. DuPont de Nemours and Company2011Simultaneous saccharification and fermentation at high-solids loading[182]
High-solids enzymatic hydrolysis and fermentation of pretreated biomassAbengoa Bioenergy New Technologies, LLC2017Temperature and dewatering control for high-solids enzymatic hydrolysis[183]
Production of fermentable biomass sugars using high-solids enzymatic hydrolysisAPI Intellectual Property Holdings, LLC2015Liquefaction and separation of solid and liquid streams to different uses[184]
Enzymatic hydrolysis of pre-treated biomassAndritz INC2012Whole method to conduct high-solids enzymatic hydrolysis[185]
Methods of enabling enzymatic hydrolysis and fermentation of lignocellulosic biomass with pretreated feedstock following high-solids storage in the presence of enzymesCatchlight Energy LLC2012The use of enzymes during storage and/or transportation of biomass at high-solids loading[186]
Process for the rapid hydrolysis of high-solids biomassBeta Renewables S.p.A.2015Continuous process of high-solids enzymatic hydrolysis[187]
  1. Search strategy: EN_AB:(high NEAR solids AND enzymatic NEAR hydrolysis) OR EN_AB:(high NEAR solids AND saccharification) OR EN_AB:(high NEAR gravity AND enzymatic NEAR hydrolysis) OR EN_AB:(high NEAR gravity AND saccharification) OR EN_AB:(high NEAR consistency AND enzymatic NEAR hydrolysis) OR EN_AB:(high NEAR consistency AND saccharification) EN_TI:(high NEAR solid* AND enzymatic NEAR hydrolysis) OR EN_TI:(high NEAR solids AND hydrolysis) OR EN_TI:(high NEAR dry AND enzymatic NEAR hydrolysis) OR EN_TI:(high NEAR solid* AND saccharification) OR EN_TI:(high NEAR gravity AND enzymatic NEAR hydrolysis) OR EN_TI:(high NEAR gravity AND saccharification) OR EN_TI:(high NEAR consistency AND enzymatic NEAR hydrolysis) OR EN_TI:(high NEAR consistency AND saccharification) OR EN_TI:(high NEAR consistency AND hydrolysis NEAR cellulose) NOT EN_TI:(oxidized OR dietary OR treatment OR high-protein OR extraction OR lignin OR battery OR maltodextrin OR raw OR alkalinuria OR potato OR polyvinyl)
  2. aDate of publication of US Patent Office, except for the document, “Method for the hydrolysis of lignocellulosic biomass.”
  3. bDate of publication of WO patent office