Approach to biomass delignification

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United States of America Patent

PATENT NO 11905656
SERIAL NO

17405028

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ATTORNEY / AGENT: (SPONSORED)

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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; anda 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 INC5050 47TH STREET SE CALGARY T2B3S1

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Corbett, Andrew M Calgary, CA 8 6
Dewit, Matthew Calgary, CA 11 9
Pagels, Markus Calgary, CA 34 128
Purdy, Clay Medicine Hat, CA 102 123
Weissenberger, Markus Calgary, CA 113 81
Wynnyk, Kyle G Calgary, CA 38 21

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