NOVEL APPROACH TO BIOMASS DELIGNIFICATION

Canada Patent

APP PUB NO CA-3102925-A1
SERIAL NO

3102925

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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 derivaties; 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 INCCA5050 47TH STREET SE CALGARY T2B 3S1

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Inventor(s)

Inventor Name Address
PURDY CLAY MEDICINE HAT
DEWIT MATTHEW CALGARY
WEISSENBERGER MARKUS 19 COPPERSTONE BLVD SE CALGARY ALBERTA T2Z 0G7 T2Z 0G7
PAGELS MARKUS 657 HAWKSIDE MEWS NW CALGARY AB T3G 3S1
WYNNYK KYLE G 10 HAMLET RD SW CALGARY ALBERTA T2V 3C8 T2V 3C8
CORBETT ANDREW C 4024 1A ST SW CALGARY AB T2S 2R7

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