公开(公告)号：US20230382852A1

公开(公告)日：2023-11-30

申请号：US18446182

申请日：2023-08-08

Applicant: SixRing Inc.

Inventor： Clay PURDY ,  Markus WEISSENBERGER ,  Kyle G. WYNNYK ,  Karl W. DAWSON

IPC: C07C309/04 ,  C07C215/08 ,  C07G1/00 ,  C01B15/01 ,  C01B17/69 ,  C07C215/10 ,  D21C3/04 ,  D21C3/00 ,  D21C9/16

CPC classification number: C07C309/04 ,  C07C215/08 ,  C07G1/00 ,  C01B15/01 ,  C01B17/69 ,  C07C215/10 ,  D21C3/04 ,  D21C3/006 ,  D21C9/16

Abstract: An aqueous composition comprising: sulfuric acid; a compound comprising an amine moiety; a compound comprising a sulfonic acid moiety; and a peroxide. Said composition being capable of delignifying biomass.

公开(公告)号：US20210269970A1

公开(公告)日：2021-09-02

申请号：US17187122

申请日：2021-02-26

Applicant: SixRing Inc.

Inventor： Clay Purdy ,  Markus Weissenberger ,  Kyle G. Wynnyk ,  Karl W. DAWSON

IPC: D21C3/04 ,  D21B1/02

Abstract: A modified aqueous acid composition comprising: sulfuric acid; a compound comprising an amine moiety and a sulfonic acid moiety; and a peroxide; wherein sulfuric acid, said compound comprising an amine moiety and a sulfonic acid moiety and said peroxide are present in a molar ratio of no less than 1:1:1. Also disclosed are methods of using such compositions.

公开(公告)号：US20230416985A1

公开(公告)日：2023-12-28

申请号：US18464991

申请日：2023-09-11

Applicant: SixRing Inc.

Inventor： Clay PURDY ,  Markus WEISSENBERGER ,  Kyle G. WYNNYK ,  Karl W. DAWSON

IPC: D21C3/04 ,  D21B1/02 ,  C01B17/69

CPC classification number: D21C3/04 ,  D21B1/021 ,  C01B17/69

Abstract: A modified aqueous acid composition comprising: sulfuric acid; a compound comprising an amine moiety and a sulfonic acid moiety; and a peroxide; wherein sulfuric acid, said compound comprising an amine moiety and a sulfonic acid moiety and said peroxide are present in a molar ratio of no less than 1:1:1. Also disclosed are methods of using such compositions.

公开(公告)号：US20210269971A1

公开(公告)日：2021-09-02

申请号：US17187354

申请日：2021-02-26

Applicant: SixRing Inc.

Inventor： Clay Purdy ,  Markus Weissenberger ,  Kyle G. Wynnyk ,  Karl W. DAWSON

IPC: D21C3/06 ,  D21C3/00

Abstract: Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibers and lignin; exposing said plant material requiring to a composition comprising: alkanesulfonic acid; and a peroxide, wherein said alkylsulfonic acid and peroxide are present in a molar ratio ranging from 1:1 to 15:1 and the time of exposure is sufficient to remove substantially all of the lignin present on said plant material. Compositions capable of achieving delignification are also disclosed