Stable aqueous enzyme compositions
    1.
    发明授权
    Stable aqueous enzyme compositions 失效
    稳定的含水酶组合物

    公开(公告)号:US6121225A

    公开(公告)日:2000-09-19

    申请号:US217923

    申请日:1998-12-21

    摘要: A stabilized aqueous enzyme composition comprising water, from about 0.1% to about 75% by weight of a detergent surfactant selected from the group consisting of anionic surfactants or anionic surfactants and one or more non-anionic detergent actives, from about 0.001% to about 10% by weight proteolytic enzyme, and an effective amount of an enzyme stabilizer having the formula:X--O--(C.sub.n H.sub.2n O).sub.a --H [I]wherein "X" is an organic radical having from 14 to 22 carbon atoms, "a" is an integer from 10 to 26, and "n" is an integer from 2 to 4, and provided that "X" has a hydrophobicity similar to a linear alkyl group having from 14 to 22 carbon atoms.

    摘要翻译: 一种稳定的含水酶组合物,其包含约0.1%至约75%重量的选自阴离子表面活性剂或阴离子表面活性剂的洗涤剂表面活性剂和一种或多种非阴离子洗涤剂活性剂的水,约0.001%至约10% 重量百分比的蛋白水解酶和有效量的具有下式的酶稳定剂:XO-(CnH2nO)aH [I]其中“X”是具有14-22个碳原子的有机基团,“a”是 10〜26,“n”为2〜4的整数,并且“X”具有与具有14-22个碳原子的直链烷基相似的疏水性。

    Polyhydroxy-fatty amide surfactant composition and method of preparing
same
    3.
    发明授权
    Polyhydroxy-fatty amide surfactant composition and method of preparing same 失效
    多羟基脂肪酰胺表面活性剂组合物及其制备方法

    公开(公告)号:US5750749A

    公开(公告)日:1998-05-12

    申请号:US599300

    申请日:1996-02-09

    CPC分类号: B01F17/0042

    摘要: A process for preparing a surfactant composition comprising reacting an N-alkylpolyhydroxyamine and an alkoxylated triglyceride of a fatty acid to produce a mixture of a polyhydroxy-fatty amide, an alkoxylated monoglyceride of a fatty acid, and an alkoxylated diglyceride of a fatty acid, the resulting mixture providing a water soluble surfactant composition.

    摘要翻译: 一种制备表面活性剂组合物的方法,其包括使N-烷基多羟基胺和脂肪酸的烷氧基化甘油三酸酯反应以产生多羟基脂肪酰胺,脂肪酸的烷氧基化单甘油酯和脂肪酸的烷氧基化甘油二酯的混合物, 得到的混合物提供水溶性表面活性剂组合物。

    Preparation of stabilized alumina having enhanced resistance to loss of
surface area at high temperatures
    4.
    发明授权
    Preparation of stabilized alumina having enhanced resistance to loss of surface area at high temperatures 失效
    稳定的氧化铝的制备具有增强的耐高温表面积的损失

    公开(公告)号:US5593654A

    公开(公告)日:1997-01-14

    申请号:US392029

    申请日:1995-02-22

    IPC分类号: C01F7/02

    摘要: A process for preparing stabilized alumina having increased surface area retention at high temperature in which a gel of a boehmite alumina which has been obtained by hydrothermally treating an aqueous mixture of a precursor boehmite alumina having a pH of from about 5 to about 9 for a period of time sufficient to convert the greater portion of the precursor boehmite alumina to a colloidal sol is subjected to working as, for example, by using a sufficient shearing force for a sufficient period of time to produce a worked boehmite alumina which has an increase in pore volume of at least about 30 percent and an increase of median pore radius of at least about 20 percent, a stabilizer being added to the boehmite alumina, the stabilizer being an oxide of a metal such as barium or a metal included in the lanthanide series of metals or a compound of such metals which converts to an oxide at elevated temperatures.

    摘要翻译: 一种制备稳定的氧化铝的方法,其在高温下具有增加的表面积保留性,其中通过水热处理pH为约5至约9的前体勃姆石氧化铝的水性混合物一段时间获得的勃姆石氧化铝凝胶 足以将大部分前体勃姆石氧化铝转化为胶体溶胶的时间经受例如通过使用足够的剪切力足够长时间的工作,以产生具有增加的孔的加工勃姆石氧化铝 至少约30%的体积和中值孔半径的增加至少约20%,稳定剂加入到勃姆石氧化铝中,稳定剂是包含在镧系元素中的金属如钡或金属的氧化物 金属或这种金属的化合物,其在升高的温度下转化为氧化物。

    Process for growing crystals
    5.
    发明授权
    Process for growing crystals 失效
    生长晶体的方法

    公开(公告)号:US5569325A

    公开(公告)日:1996-10-29

    申请号:US690164

    申请日:1991-04-22

    摘要: A process for growing crystals at an enhanced rate comprising providing a dispersion of a fluid medium and seed crystals of a metal oxide, introducing feed material comprising a metal oxide into the dispersion and maintaining a uniform mixture of the seed crystals, the feed material and the fluid medium, the feed material having an average crystal size less than the average crystal size of the seed crystals, the feed material being added in an amount and at a rate whereby the seed crystals grow, the feed material providing a soluble nutrient species for deposition of the said crystal to effect crystal growth, the mixture of seed crystals and feed material being treated under conditions which stimulate crystal growth for a period of time sufficient to obtain a desired quantity of a product comprising at least one grown crystal having an average crystal size greater than the average crystal size of the seed crystal.

    摘要翻译: 一种以增强的速率生长晶体的方法,包括提供流体介质的分散体和金属氧化物的晶种,将包含金属氧化物的进料输入到分散体中并保持晶种,进料和 流体介质,所述进料材料的平均晶体尺寸小于晶种的平均晶体尺寸,所述进料以加入量和所述晶种生长的速率加入,所述原料提供用于沉积的可溶性营养物质 的所述晶体以实现晶体生长,在刺激晶体生长的条件下处理晶种和原料的混合物足以获得所需量的包含至少一种具有平均晶体尺寸的生长晶体的产物的时间 大于晶种的平均晶体尺寸。

    Process for preparing alkoxylation catalysts and alkoxylation process
    9.
    发明授权
    Process for preparing alkoxylation catalysts and alkoxylation process 失效
    制备烷氧基化催化剂和烷氧基化方法

    公开(公告)号:US5627121A

    公开(公告)日:1997-05-06

    申请号:US490990

    申请日:1995-06-15

    摘要: A process for preparing an alkoxylation catalyst suitable for alkoxylating compounds such as active hydrogen-containing compounds wherein an alkoxylated alcohol mixture, a calcium-containing compound that is at least partially dispersible in the alkoxylated alcohol mixture, and a carboxylic acid are mixed together to produce a calcium-containing composition having titratable alkalinity, the composition being obtained under conditions to prevent loss of water, the composition being at least partially neutralized with an inorganic acid under conditions to prevent loss of water to produce a partially neutralized calcium-containing catalyst.

    摘要翻译: 一种制备烷氧基化催化剂的方法,所述烷氧基化催化剂适用于烷氧基化化合物如含活性氢的化合物,其中烷氧基化醇混合物,至少部分分散在烷氧基化醇混合物中的含钙化合物和羧酸混合在一起以产生 具有可滴定碱度的含钙组合物,该组合物在防止水分损失的条件下获得,该组合物在无机酸条件下至少部分中和,以防止水损失以产生部分中和的含钙催化剂。

    Process for clarifying metal alkyls
    10.
    发明授权
    Process for clarifying metal alkyls 失效
    澄清金属烷基的方​​法

    公开(公告)号:US5618436A

    公开(公告)日:1997-04-08

    申请号:US602983

    申请日:1996-02-16

    摘要: A process for clarifying a metal allkyl reaction product comprising passing a first feed stream comprising metal alkyls, a first, substantially water-immiscible organic solvent, and solid contaminants through a first membrane filter, the first filter being substantially continuously vibrated when said feed stream is passing through and recovering from the first filter a first permeate substantially free of solid contaminants and a first concentrate containing solid contaminants.

    摘要翻译: 一种用于澄清金属烷基反应产物的方法,包括使包含金属烷基的第一进料流,第一基本上与水不混溶的有机溶剂和固体污染物通过第一膜过滤器通过,当所述进料流是 通过并从第一过滤器回收基本上不含固体污染物的第一渗透物和含有固体污染物的第一浓缩物。