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    • 3. 发明授权
    • Process of producing hydroxyalkanal
    • 生产羟基卡那酸的方法
    • US5811591A
    • 1998-09-22
    • US561179
    • 1995-11-20
    • Hiroshi YamamotoHisakazu ShindouHirokazu ItohTadahiro YonedaMasatoshi Yoshida
    • Hiroshi YamamotoHisakazu ShindouHirokazu ItohTadahiro YonedaMasatoshi Yoshida
    • B01J31/08B01J31/10C07C45/64C07C45/61
    • B01J31/10B01J31/08C07C45/64B01J2231/32
    • An unsaturated aldehyde expressed by Formula (I) below is hydrated with a solution in the presence of a carboxylic-acid-based resin having of a structure expressed by Formula (II) below: ##STR1## where R represents one of a hydrogen atom and a hydrocarbon group having up to five carbons; ##STR2## where R.sub.1 and R.sub.2 respectively represent a hydrogen atom, hydrocarbon group having up to five carbons, or --(--CH.sub.2 --).sub.p1 --X group, p.sub.1, k.sub.1, and m.sub.1 respectively represent an integer from zero to six, n.sub.1 represents an integer from one to six, Y.sub.1 represents --O--, --S--, or --NR.sub.3 --, R.sub.3 represents a hydrogen atom or hydrocarbon group having up to five carbons, and X represents a carboxylic-acid-based resin main body. Using a heat-resistant catalyst as above makest it possible to increase the reaction rate by heating, and produce hydroxyalkanal at high selectivity and yield out of an industrially advantageous high-concentration unsaturated aldehyde solution.
    • 在下述通式(I)表示的结构的羧酸类树脂存在下,用下述通式(I)表示的不饱和醛进行水合:其中,R表示下式 氢原子和具有多至五个碳的烃基; (II)其中R1和R2分别表示氢原子,具有至多5个碳的烃基或 - ( - CH2-)p1-X基,p1,k1和m1分别表示0至6的整数 ,n1表示1〜6的整数,Y1表示-O - , - S-或-NR3-,R3表示氢原子或至多5个碳的烃基,X表示羧酸系树脂主体 身体。 如上所述使用耐热催化剂,可以通过加热提高反应速度,并以高选择性产生羟基卡那定,并从工业上有利的高浓度不饱和醛溶液中产生。
    • 4. 发明授权
    • Organic-inorganic composite particles and production process therefor
    • 有机 - 无机复合颗粒及其制备方法
    • US5503932A
    • 1996-04-02
    • US340860
    • 1994-11-15
    • Yasuhiro SakaiTadahiro YonedaShigefumi Kuramoto
    • Yasuhiro SakaiTadahiro YonedaShigefumi Kuramoto
    • G02F1/1339C08G77/02C08G77/42
    • G02F1/1339G02F1/13392Y10T428/1068Y10T428/2982Y10T428/2993
    • Organic-inorganic composite particles which include a (meth)acrylic resin framework and a polysiloxane framework having in its molecule an organosilicon containing a silicon atom directly and chemically combined with at least one carbon atom of the (meth)acrylic resin framework, and also contain 25 wt % or more of SiO.sub.2 which constitutes the polysiloxane framework and have a mean particle diameter of .gtoreq.0.5 .mu.m. The particles have the mechanical resilience necessary to maintain a constant gap distance between a pair of members to be arranged with the correct gap distance between them, and the hardness and fracture strength necessary to maintain the gap constant with smaller numbers; and also do not readily cause physical damage to the members. The composite particles can be employed as spacers 8 for a liquid crystal display as they stand or, with an adhesive layer formed on the surface. The composite particles can also have a conductive layer formed on the surface, and be employed as conductive particles.
    • 包括(甲基)丙烯酸树脂骨架和聚硅氧烷骨架的有机 - 无机复合颗粒,其分子中含有硅原子的有机硅与(甲基)丙烯酸树脂骨架的至少一个碳原子直接化学结合,并且还含有 25重量%以上的构成聚硅氧烷骨架的SiO 2,其平均粒径为≥0.5μm。 颗粒具有必要的机械弹性,以保持一对构件之间的间隙距离与它们之间的正确的间隙距离保持恒定的间隙距离,以及保持间隙恒定的较小数量所需的硬度和断裂强度; 也不会对成员造成身体伤害。 复合颗粒可以用作液晶显示器的间隔物8,或者在表面上形成粘合剂层。 复合颗粒也可以具有在表面上形成的导电层,并且用作导电颗粒。
    • 8. 发明授权
    • Process of producing hydroxyalkanal
    • 生产羟基卡那酸的方法
    • US5639920A
    • 1997-06-17
    • US560715
    • 1995-11-20
    • Hiroshi YamamotoHisakazu ShindouTadahiro Yoneda
    • Hiroshi YamamotoHisakazu ShindouTadahiro Yoneda
    • B01J31/08C07B61/00C07C45/64C07C47/19C07C45/61
    • C07C45/64
    • In a process of producing hydroxyalkanal, a raw material, namely, an unsaturated aldehyde, is hydrated with a solution in the presence of a catalyst, and alcohol is added to the solution. A adding amount of the alcohol with respect to the unsaturated aldehyde is preferably in a range between 0.001 percent by weight and 10 percent by weight. According to this process, a consecutive reaction (side reaction) of a reaction product, namely, hydroxyalkanal, is curbed by the alcohol added to the solution, thereby making it possible to produce hydroxyalkanal at high selectivity out of a high-density unsaturated aldehyde solution. Therefore, the above process can trigger a reaction of an industrially advantageous unsaturated aldehyde solution, and thus improves the yield of hydroxyalkanal.
    • 在制备羟基卡那酸的过程中,原料即不饱和醛在催化剂存在下与溶液水合,向该溶液中加入醇。 醇相对于不饱和醛的添加量优选为0.001重量%以上10重量%以下。 根据该方法,通过加入到溶液中的醇来抑制反应产物(即羟基链烷醛)的连续反应(副反应),从而可以从高密度不饱和醛溶液中以高选择性制备羟基卡那定 。 因此,上述方法可以引发工业上有利的不饱和醛溶液的反应,从而提高羟基卡那定的产率。