NOVEL APPROACH TO BIOMASS DELIGNIFICATION

Canada Patent

APP PUB NO CA-3128603-A1
SERIAL NO

3128603

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Abstract

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A process to separate lignin from a lignocellulosic feedstock, said process comprising the steps of: - providing said lignocellulosic feedstock; - providing a composition comprising; - an acid; - a modifying agent selected from the group consisting of: sulfamic acid; imidazole; imidazole derivatives; taurine; a taurine derivative; a taurine-related compound; alkylsulfonic acid; arylsulfonic acid; triethanolamine; and combinations thereof; - a peroxide salt; and - a peroxide; - exposing said lignocellulosic feedstock to said composition for a period of time sufficient to depolymerize substantially all of the lignin present in said lignocellulosic feedstock into lignin oligomers and lignin monomers; wherein said process is carried out at atmospheric pressure.

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Patent Owner(s)

Patent OwnerAddress
SIXRING INCCA1500 140 - 10 AVE SE CALGARY AB T2G 0R1

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Inventor(s)

Inventor Name Address
PURDY CLAY MEDICINE HAT
WEISSENBERGER MARKUS 19 COPPERSTONE BLVD SE CALGARY AB T2Z 0G7
PAGELS MARKUS 657 HAWKSIDE MEWS NW CALGARY ALBERTA T3G 3S1
WYNNYK KYLE G CALGARY
CORBETT ANDREW C 4024 1A ST SW CALGARY AB T2S 2R7
DEWITT MATTHEW CA

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