Green cationization agent
    1.
    发明授权

    公开(公告)号:US11884753B2

    公开(公告)日:2024-01-30

    申请号:US17825473

    申请日:2022-05-26

    申请人: SACHEM, INC.

    发明人: Tim Engel

    摘要: A compound having Formula (I) or Formula (II):






    or a mixture thereof,
    in which R is —H; —CH3; —CH—(CH3)2; —CH2—CH—(CH3)2; —CH—(CH3)—CH2—CH3; —CH2—(C6H5); —CH2—(3-indole); —CH2—CH2—S—CH3; —CH2—OH; —CH—(CH3)—OH; —CH2—SH; —CH2-(p-C6H4OH); —CH2—CH2—CH2—CH2—NH2; —CH2—CO—NH2; —CH2—CH2—CO—NH2; —CH2—CH2—COOH; —CH2—COOH; or —CH2—CH2—NH—C═NH2(NH2);
    and X is a suitable non-interfering anion, a process for making the compound having Formula (I) or Formula (II), and a process for reacting the compound having Formula (I) or Formula (II) or a mixture thereof with a (poly)saccharide to form a cationized (poly)saccharide.

    GREEN CATIONIZATION AGENT
    3.
    发明申请

    公开(公告)号:US20220403055A1

    公开(公告)日:2022-12-22

    申请号:US17825473

    申请日:2022-05-26

    申请人: SACHEM, INC.

    发明人: Tim ENGEL

    摘要: A compound having Formula (I) or Formula (II): or a mixture thereof,
    in which R is —H; —CH3; —CH—(CH3)2; —CH2—CH—(CH3)2; —CH—(CH3)—CH2—CH3; —CH2—(C6H5); —CH2—(3-indole); —CH2—CH2—S—CH3; —CH2—OH; —CH—(CH3)—OH; —CH2—SH; —CH2-(p-C6H40H); —CH2—CH2—CH2—CH2—NH2; —CH2—CO—NH2; —CH2—CH2—CO—NH2; —CH2—CH2—COOH; —CH2—COOH; or —CH2—CH2—NH—C═NH2(NH2);
    and X is a suitable non-interfering anion, a process for making the compound having Formula (I) or Formula (II), and a process for reacting the compound having Formula (I) or Formula (II) or a mixture thereof with a (poly)saccharide to form a cationized (poly)saccharide.

    HIGH-PURITY 3,4-EPOXYCYCLOHEXYLMETHYL METHACRYLATE

    公开(公告)号:US20220089808A1

    公开(公告)日:2022-03-24

    申请号:US17418315

    申请日:2019-12-24

    摘要: To provide 3,4-epoxycyclohexylmethyl methacrylate that is highly pure and that is useful as a raw material for functional materials or optical members having excellent transparency and heat resistance. An alicyclic epoxy compound product having a purity of 3,4-epoxycyclohexylmethyl methacrylate of 98.0 wt. % or greater and a total content of a compound represented by Formula (a) below and a compound represented by Formula (b) below of 1.3 wt. % or less. This alicyclic epoxy compound product preferably has a Hazen color number of 25 or less.