PROCESS FOR MAKING LINEAR DICARBOXYLIC ACIDS FROM RENEWABLE RESOURCES
    2.
    发明申请
    PROCESS FOR MAKING LINEAR DICARBOXYLIC ACIDS FROM RENEWABLE RESOURCES 失效
    从可再生能源制造线性二羧酸的方法

    公开(公告)号:US20110300594A1

    公开(公告)日:2011-12-08

    申请号:US13131138

    申请日:2009-12-11

    IPC分类号: C12P7/44

    摘要: This invention provides a process of making a linear dicarboxylic acid of C10, C12, C14, C16 or C18 chain length, the process comprising providing a feed which is a renewable resource, contacting the feed with a catalyst in the presence of hydrogen and at a temperature of about 250° C. to about 425° C. and at a pressure of about 500 psig to about 2500 psig (3450 kPa to about 17,250 kPa) to produce a hydrocarbon product having at least a 5:1 ratio of even-numbered alkanes to odd-numbered alkanes and comprising a linear alkane of Cn chain length; and fermenting at least a portion of the linear alkane of Cn chain length to a linear dicarboxylic acid of Cn chain length, wherein n=10, 12, 14, 16 or 18. The catalyst comprises an oxide, molybdenum, and one or more active metals selected from the group consisting of nickel, cobalt, and mixtures thereof and the catalyst is in sulfided form.

    摘要翻译: 本发明提供了制备C 10,C 12,C 14,C 16或C 18链长度的线性二羧酸的方法,该方法包括提供作为可再生资源的进料,在氢气存在下使进料与催化剂接触 温度为约250℃至约425℃,压力为约500psig至约2500psig(3450kPa至约17,250kPa),以产生具有至少5:1比例偶数编号的烃产物 烷烃至奇数烷烃并且包含Cn链长度的直链烷烃; 并将Cn链长度的直链烷烃的至少一部分发酵成C n链长度的线性二羧酸,其中n = 10,12,14,16或18.所述催化剂包含氧化物,钼和一种或多种活性物质 选自镍,钴及其混合物的金属,催化剂为硫化形式。

    CAUSTIC PRODUCT WITH FREEZE PROTECTION
    3.
    发明申请
    CAUSTIC PRODUCT WITH FREEZE PROTECTION 审中-公开
    具有防冻保护功能的产品

    公开(公告)号:US20090173909A1

    公开(公告)日:2009-07-09

    申请号:US12337799

    申请日:2008-12-18

    IPC分类号: B01D53/74 C09K5/00

    摘要: A freeze-protected concentrated solution of alkali metal hydroxide comprising (a) at least 46% by weight of alkali metal hydroxide wherein at least 80% by weight of the alkali metal hydroxide is sodium hydroxide and (b) no more than 1.5% by weight of an additive selected from the group consisting of sulfuric acid and its alkali metal salts, citric acid and its alkali metal salts, and triglyceride. The freeze-protected solution has a freeze point of 5° C. or less, and thus is able to withstand temperatures below the normal freeze points of concentrated alkali metal hydroxide solutions. A process to prepare of the freeze-protected solution comprises adding the additive to a concentrated alkali metal hydroxide solution.

    摘要翻译: 一种防冻浓缩的碱金属氢氧化物溶液,其包含(a)至少46重量%的碱金属氢氧化物,其中至少80重量%的碱金属氢氧化物是氢氧化钠,和(b)不超过1.5重量% 的选自硫酸及其碱金属盐,柠檬酸及其碱金属盐和甘油三酸酯的添加剂。 冷冻保护溶液的凝固点为5℃以下,因此能够耐受低于浓缩的碱金属氢氧化物溶液的正常凝固点的温度。 制备冷冻保护溶液的方法包括将添加剂加入浓缩的碱金属氢氧化物溶液中。

    Process for manufacturing diiodoperfluoroalkanes
    9.
    发明授权
    Process for manufacturing diiodoperfluoroalkanes 有权
    制备二碘全氟烷烃的方法

    公开(公告)号:US06825389B2

    公开(公告)日:2004-11-30

    申请号:US10301181

    申请日:2002-11-21

    IPC分类号: C07C1700

    摘要: The present invention involves a process for the manufacture of &agr;, &ohgr;-diiodoperfluoroalkanes of the formula I—(CF2CF2)n—I, wherein n is an integer between 2 and 6. The latter compounds are produced at relatively high conversions and under relatively mild reaction temperatures and pressures, compared to prior art processes, by the elimination of the gaseous byproduct perfluorocyclobutane throughout the process.

    摘要翻译: 本发明涉及一种制备式I-(CF 2 CF 2)n I的α,ω-二碘全氟烷烃的方法,其中n是2至6之间的整数。后一种化合物以相当高的转化率和相对温和的反应温度 和现有技术方法相比,通过在整个过程中消除气态副产物全氟环丁烷的压力。