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    • 4. 发明授权
    • Oil-in-water emulsions and process for producing the same
    • 水包油乳剂及其制备方法
    • US07517534B2
    • 2009-04-14
    • US10471699
    • 2002-03-12
    • Takahiro NishizakaTakeshi IharaTomohito Kitsuki
    • Takahiro NishizakaTakeshi IharaTomohito Kitsuki
    • A61K8/02
    • A61K8/731A61K8/062A61K8/85A61K8/86A61Q19/00B01F17/0028B01F17/005Y10S514/938
    • A process for the preparation of an o/w emulsion, which comprises mixing together a high molecular compound carrying at least on side chains thereof groups represented by the following formula (1): —(OX)n-E2-R  (1) wherein n “X”s may be the same or different and each independently represents a linear or branched, divalent, saturated C1-6 hydrocarbon group, n stands for a number of from 5 to 300, E2 represents an ether bond or an oxycarbonyl group (—OCO— or —COO—), and R represents a linear or branched, C4-30 alkyl group which may be substituted by hydroxyl group(s), an aqueous solution of a water-soluble polyol, and a hydrophobic compound, and diluting a resulting mixture with water, and the o/w emulsion obtained by the preparation process. The emulsion according to the present invention is excellent in touch feeling to the skin and is good in stability.
    • 一种制备o / w乳液的方法,其包括将至少在其侧链上携带下列通式(1)表示的基团的高分子化合物混合在一起:<?in-line-formula description =“In-line 公式“end =”lead“?> - (OX)n-E2-R(1)<?in-line-formula description =”In-line Formulas“end =”tail“?>其中n”X“ 相同或不同,并且各自独立地表示直链或支链的二价饱和C 1-6烃基,n表示5至300的数,E2表示醚键或氧羰基(-OCO-或-COO - ),R表示可以被羟基取代的直链或支链的C 4-30烷基,水溶性多元醇的水溶液和疏水性化合物,并用水稀释得到的混合物, 和通过制备方法获得的o / w乳液。 本发明的乳液对皮肤的触感良好,稳定性好。
    • 5. 发明授权
    • Polysaccharide derivative
    • 多糖衍生物
    • US06541614B1
    • 2003-04-01
    • US09926688
    • 2001-12-03
    • Atsushi NagasawaTomohito KitsukiTakeshi Ihara
    • Atsushi NagasawaTomohito KitsukiTakeshi Ihara
    • C07H1508
    • C08B37/00A61K8/73A61Q5/02A61Q19/00A61Q19/10C08B11/00C08B11/08C08B11/20C08B31/00C08B31/08C08B31/12C08B31/125
    • Polysaccharide derivatives derived from a polysaccharide or a derivative thereof by substituting a part or all of the hydrogen atoms of the hydroxyl groups of the polysaccharide or the derivative thereof with the groups represented by the following formula (1): —E1—(OA)n—E2—R  (1) wherein E1 represents a divalent saturated C1-6 hydrocarbon group which may be substituted with one or more hydroxyl groups or oxo groups, n stands for a number of from 8 to 300, n numbers of As may be the same or different and each independently represent a divalent saturated C1-6 hydrocarbon group, E2 represents an ether bond or an oxycarbonyl group, and R represents a C4-30 alkyl group which may be substituted with one or more hydroxyl groups, in which the H(s) of one or more hydroxy groups in each of said groups (1) may be further substituted with the groups (1); thickeners and emulsifiers comprising these polysaccharide derivatives; as well as aqueous compositions containing said polysaccharide derivatives. The polysaccharide derivatives of the present invention are excellent in water solubility and have such a rheological characteristic that the viscosity thereof increases at high temperatures, whereby they are very useful as a thickener exhibiting an excellent handling property at low temperatures and a sufficient thickening effect at high temperatures, as an emulsifier exhibiting an excellent emulsifying action allowing hydrophobic compounds to exist very stably in water, and also as a thickening and stabilizing agent for various toiletry products such as viscous bath preparations, massaging cosmetic preparations, shower preparations, skin care preparations, hair washing preparations, body washing preparations, garment detergents, garment finishing agents and hard surface cleaning agents.
    • 通过用下述式(1)表示的基团代替多糖或其衍生物的羟基的部分或全部的氢原子的一部分或全部来自多糖或其衍生物的多糖衍生物:其中E1表示二价饱和C1 可以被一个或多个羟基或氧代基取代的烃基,n表示数量为8至300,n数可以相同或不同,并且各自独立地表示二价饱和C 1-6烃 基团,E2表示醚键或氧羰基,R表示可被一个或多个羟基取代的C4-30烷基,其中每个所述基团中的一个或多个羟基的H(s) (1)可以进一步被基团(1)取代; 包含这些多糖衍生物的增稠剂和乳化剂; 以及含有所述多糖衍生物的含水组合物。本发明的多糖衍生物具有优异的水溶性,并且具有其粘度在高温下增加的流变特性,因此它们作为显示出优异处理性能的增稠剂是非常有用的 在低温下和在高温下具有充分的增稠效果,作为表现出优异的乳化作用的乳化剂,使疏水性化合物在水中非常稳定地存在,以及作为用于各种化妆品的增稠和稳定剂,例如粘稠浴剂,按摩化妆品 制剂,沐浴用品,护肤品,洗发剂,洗身剂,衣物洗涤剂,服装整理剂和硬表面清洁剂。
    • 7. 发明申请
    • Production process for glycidyl ether adduct and catalyst used for the process
    • 用于该方法的缩水甘油醚加合物和催化剂的制备方法
    • US20060252946A1
    • 2006-11-09
    • US11482749
    • 2006-07-10
    • Atsushi NagasawaMitsuru UnoTomohito Kitsuki
    • Atsushi NagasawaMitsuru UnoTomohito Kitsuki
    • C07D301/27C07H1/00
    • C11D1/72B01J21/10B01J23/002B01J23/06B01J2523/00B01J2523/22B01J2523/31B01J2523/27
    • Provided is a catalyst for adding a glycidyl ether to an active hydrogen-containing organic compound, comprising a complex oxide of magnesium and at least one element other than magnesium selected from the group consisting of the elements in the third period and the fourth period in the periodic table. Also provided is a process for producing a glycidyl ether adduct, which comprises subjecting an active hydrogen-containing organic compound and a glycidyl ether to an addition reaction in the presence of the above-mentioned catalyst. In the addition reaction between the active hydrogen-containing organic compound and the glycidyl ether, use of the catalyst of the present invention enables inhibition of an excess addition reaction of the glycidyl ether which is a successive reaction, and a mono- or di-(alkyl, alkenyl or phenyl) ether product in which one or two glycidyl ethers are added is selectively produced by adjusting the mole ratio of the active hydrogen-containing organic compound to the glycidyl ether to a specific range. Accordingly, the mono- or di-(alkyl, alkenyl or phenyl) ether product can be obtained at a high productivity with a high purity.
    • 提供了一种用于向含活性氢的有机化合物中加入缩水甘油醚的催化剂,其包含镁和至少一种除镁以外的元素的复合氧化物,所述复合氧化物选自第三周期和第四周期中的元素组 周期表。 还提供了一种制备缩水甘油醚加合物的方法,其包括在上述催化剂存在下使含活性氢的有机化合物和缩水甘油醚进行加成反应。 在含活性氢的有机化合物和缩水甘油醚之间的加成反应中,使用本发明的催化剂可以抑制作为连续反应的缩水甘油醚的过量加成反应,以及单 - 或二 烷基,烯基或苯基)醚产物,其中加入一个或两个缩水甘油醚是通过将含活性氢的有机化合物与缩水甘油醚的摩尔比调整到特定范围来选择性地制备的。 因此,可以以高纯度的高生产率获得单 - 或二 - (烷基,烯基或苯基)醚产物。
    • 9. 发明授权
    • Process for producing noncrystalline cellulose
    • 非晶纤维素的制造方法
    • US08436165B2
    • 2013-05-07
    • US12527047
    • 2008-02-15
    • Naoki NojiriMasahiro UmeharaTomohito KitsukiMunehisa OkutsuKeiichiro Tomioka
    • Naoki NojiriMasahiro UmeharaTomohito KitsukiMunehisa OkutsuKeiichiro Tomioka
    • C07H1/00C08B1/00
    • C08B1/00C08B15/08C08H8/00
    • The present invention relates to a process for producing a decrystallized cellulose having a reduced cellulose I-type crystallinity from a cellulose-containing raw material in an efficient manner with an excellent productivity. In accordance with the present invention, there is provided a process for producing a decrystallized cellulose from a raw material comprising at least 20% by weight, based on the weight of the raw material excluding water contained therein, of a cellulose having a cellulose I-type crystallinity of more than 33% as calculated from the following formula: Cellulose I-type Crystallinity (%)=[(I22.6−I18.5)/I22.6]×100 wherein I22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2θ of 22.6° in X-ray diffraction analysis; and I18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2θ of 18.5° in X-ray diffraction analysis, the process including the step of treating the cellulose-containing raw material using a media-type mill to reduce the cellulose I-type crystallinity of the cellulose to 33% or less, wherein the cellulose-containing raw material has a bulk density of from 100 to 500 kg/m3.
    • 本发明涉及一种以有效的方式从含纤维素原料生产具有降低的纤维素I型结晶度的脱结晶纤维素的方法,该方法具有优异的生产率。 根据本发明,提供了一种从原料生产去结晶纤维素的方法,该方法包含至少20重量%,基于其中所含的不含水的原料的重量,具有纤维素I- 型结晶度大于33%,如下式所示:纤维素I型结晶度(%)= [(I22.6-I18.5)/ I22.6]×100其中,I22.6为衍射强度 在X射线衍射分析中在衍射角2θ为22.6°时测得的晶格面(002平面); I18.5是在X射线衍射分析中在衍射角2θ为18.5°测定的非晶部分的衍射强度,该方法包括使用介质型磨机处理含纤维素原料的步骤以减少 纤维素的纤维素I型结晶度为33%以下,其中,所述含纤维素原料的体积密度为100〜500kg / m 3。