Hindered phenolic antioxidant compositions
    101.
    发明申请
    Hindered phenolic antioxidant compositions 审中-公开
    受阻酚抗氧化剂组合物

    公开(公告)号:US20020142923A1

    公开(公告)日:2002-10-03

    申请号:US10092903

    申请日:2002-03-08

    Inventor: Vincent J. Gatto

    Abstract: Hindered tert-butylphenolic antioxidant compositions characterized by a low level of volatile and undesirable single-ring tert-butylphenolic antioxidants and a high level of non-volatile multi-ring (or methylene bridged) tert-butylphenolic antioxidants are obtained by reacting a specific mixture of ultra pure ortho-tert-butylphenol (OTBP), ultra pure 2,6-di-tert-butylphenol (DTBP) and formaldehyde in a solvent in the presence of catalyst. These antioxidants are further characterized by having a low level of 2,6-di-tert-butylphenol, low levels of ortho-tert-butylphenol, and trace levels of 2,4,6-tri-tert-butylphenol.

    Abstract translation: 受阻的叔丁基苯酚抗氧化剂组合物的特征在于低水平的挥发性和不期望的单环叔丁基苯酚抗氧化剂和高水平的非挥发性多环(或亚甲基桥接)叔丁基苯酚抗氧化剂,通过使 超纯正叔丁基苯酚(OTBP),超纯2,6-二叔丁基苯酚(DTBP)和甲醛在溶剂中在催化剂存在下进行。 这些抗氧化剂的特征还在于具有低水平的2,6-二叔丁基苯酚,低水平的邻 - 叔丁基苯酚和痕量的2,4,6-三叔丁基苯酚。

    Condensates
    102.
    发明申请
    Condensates 失效
    冷凝水

    公开(公告)号:US20020107153A1

    公开(公告)日:2002-08-08

    申请号:US10109848

    申请日:2002-04-01

    Abstract: A cyclic compound comprising m units of the formula Ia. 1 and n units of the formula (Ib) 2 joined together to form a ring, wherein Y and Y2 are divalent bridging groups which may be the same or different in each unit; R0 is H or (C1-C6) alkyl or is a metal or ammonium cation; R5 is H or (C1-C60) alkyl or OH group; j is 1 or 2; R3 is hydrogen, a hydrocarbyl or a hetero-substituted hydrocarbyl group; each of R1, R2 and R4, which may be the same or different, is hydroxyl, hydrogen, hydrocarbyl or hetero-substituted hydrocarbyl, with the provisos that i) at least one of R1, R2, R4 is hydroxyl, and mnulln is 4 to 20, m is 1-8 and n is at least 3, and ii) in formula Ia at least one OH group is in the meta or para position to the COOR0 group and/or at least one R5 group is OH.

    Abstract translation: 包含m个式Ia化合物的环状化合物。 和式(Ib)的n个单元连接在一起形成环,其中Y和Y2是每个单元可以相同或不同的二价桥连基团; R 0是H或(C 1 -C 6)烷基或是金属或铵阳离子; R5是H或(C1-C60)烷基或OH基; j为1或2; R3是氢,烃基或杂取代的烃基; R 1,R 2和R 4各自可以相同或不同,是羟基,氢,烃基或杂取代的烃基,条件是i)R 1,R 2,R 4中的至少一个是羟基,m + n 为4至20,m为1-8且n为至少3,和ii)在式Ia中,至少一个OH基位于COOR0基团的间位或对位,和/或至少一个R 5基团为OH。

    Wax anti-settling additive composition for use in diesel fuels

    公开(公告)号:US12012565B2

    公开(公告)日:2024-06-18

    申请号:US17787539

    申请日:2020-10-01

    Abstract: A composition comprising at least one fuel that is a diesel fuel, a biodiesel fuel, or combinations thereof and less than 100 ppm, less than 50 ppm (or less than 25 ppm, less than 10 ppm, 1 to 7 ppm, or 5 to 7 ppm) of an alkylene-coupled C10 to C60 (or C10 to C40, C14 to C32 or C24 to C28) alkylphenol; 25 to 500 ppm (or 50 to 500 ppm, or 150 to 450 ppm or 250 to 450 ppm, or 250 to 400 ppm) of a terpolymer; and 5 to 90 ppm, (or 10 to 70 ppm, to 60 ppm, or 10 to 55 ppm) of hydrocarbyl-substituted amine detergent having at least one tertiary amino group.
    Methods of reducing the cold filter plugging point (“CFPP”) of a fuel, said method comprising adding the following components: less than 100 ppm, less than 50 ppm (or less than 25 ppm; less than 10 ppm, 1 to 7 ppm, or 5 to 7 ppm) of an alkylene-coupled C10 to C60 (or C10 to C40, C14 to C32 or C24 to C28) alkylphenol; 25 to 500 ppm (or 50 to 500 ppm, or 150 to 450 ppm or 250 to 450 ppm, or 250 to 400 ppm) of a terpolymer; and 5 to 90 ppm, (or 10 to 70 ppm, to 60 ppm, or 10 to 55 ppm) of hydrocarbyl-substituted amine detergent having at least one tertiary amino group.
    Uses of a fuel additive composition to reduce the cold filter plugging point (“CFPP”) of a fuel, wherein the fuel additive composition comprises: 0.2 to 3 wt % of an alkylene-coupled C10 to C60 (or C10 to C40, C14 to C32 or C24 to C28) alkylphenol; 10 to 50 wt % of a terpolymer; and 2 to 10 wt % of hydrocarbyl-substituted amine detergent having at least one tertiary amino group; and an optional solvent.

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