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59 条记录 (耗时 0.034 秒)

    Process for producing &bgr;-butyrolactone homopolymer or copolymer
    12.
    发明授权
    Process for producing &bgr;-butyrolactone homopolymer or copolymer 失效
    生产β-丁内酯均聚物或共聚物的方法

    公开(公告)号：US06545112B2

    公开(公告)日：2003-04-08

    申请号：US09233204

    申请日：1999-01-19

    申请人： Yoji Hori ,  Yoshiharu Gonda ,  Toshimitsu Hagiwara

    发明人： Yoji Hori ,  Yoshiharu Gonda ,  Toshimitsu Hagiwara

    IPC分类号： C08F12400

    CPC分类号： C08G63/823 ,  C08G61/08 ,  C08G63/08

    摘要： The object of the invention is to provides a process in which a high-molecular-weight &bgr;-butyrolactone homopolymer or copolymer being biodegradable, absorbable into the living body, useful as a functional polymeric material and superior in physical characteristics is produced with high yield and good productivity. This object is solved by a process for producing the homopolymer or copolymer of the invention, which comprises ring-opening polymerization of sole &bgr;-butyrolactone subjected previously to acid removal and dehydration treatment, or of said &bgr;-butyrolactone with other lactones, in the presence of a tin compound represented by the following formula (1) and/or formula (2): wherein R1 and R2 and R4 to R7 independently represent an alkyl group containing 1 to 12 carbon atoms which may have a branched chain, or a cycloalkyl group containing 5 to 7 carbon atoms, or a phenyl or naphthyl group which may have a substituent group, R3 represents an alkylene group containing 2 to 12 carbon atoms which may have a substituent group, a cyclopentane-1,2-ylene group or a cyclohexane-1,2-ylene group, and n is an integer of 1 to 10.

    摘要翻译： 本发明的目的是提供一种方法，其中生产可降解的可分解生物降解的高分子量β-丁内酯均聚物或共聚物可用作生物体，用作功能性聚合物材料并且具有优异的物理特性，其产率高， 良好的生产力。 该目的通过本发明的均聚物或共聚物的制备方法来解决，该方法包括先前进行酸去除和脱水处理的底部β-丁内酯或所述β-丁内酯与其它内酯的开环聚合， 的由下式（1）和/或式（2）表示的锡化合物：其中R 1和R 2和R 4至R 7独立地表示可以具有支链的含有1至12个碳原子的烷基或环烷基 或者可以具有取代基的苯基或萘基，R3表示可以具有取代基的含有2〜12个碳原子的亚烷基，环戊烷-1,2-亚基或环己烷 -1,2-亚基，n为1〜10的整数。

    Lipid composition containing a liquid crystal structure
    13.
    发明授权
    Lipid composition containing a liquid crystal structure 有权

    公开(公告)号：US06528074B2

    公开(公告)日：2003-03-04

    申请号：US09874312

    申请日：2001-06-06

    申请人： Izumi Kawada ,  Kenya Ishida ,  Kiyohito Sawano ,  Toshimitsu Hagiwara

    发明人： Izumi Kawada ,  Kenya Ishida ,  Kiyohito Sawano ,  Toshimitsu Hagiwara

    IPC分类号： A61K700

    CPC分类号： A61Q19/00 ,  A61K8/0295 ,  A61K8/63 ,  A61K8/68 ,  A61K9/1274 ,  A61Q1/08 ,  A61Q17/00

    摘要： This invention relates to a novel lipid composition for use in cosmetics capable of increasing moisture-keeping ability or barrier function of the stratum corneum, protecting the skin and improving dry or rough skin, and to products which use the same, such as cosmetics and medicaments. Particularly, it relates to a lipid composition which comprises at least one component (A) selected from the group consisting of a 2-acylaminoalkane-1,3-diol and optically active compounds thereof, at least one component (B) selected from the group consisting of a 2-acylaminoalkane-1,3-diol in which at least one of the &agr;-position and &bgr;-position of the acyl group is substituted with hydroxyl group and optically active compounds thereof and at least one component (C) selected from sterols, wherein the components (A), (B) and (C) are mixed at a ratio that constructs a liquid crystal structure, and to products which contain the lipid composition, such as cosmetics and medicaments.

    2,2(diarlyl)vinylphosphine compound, palladium catalyst thereof, and process for producing arylamine, diaryl, or arylalkyne with the catalyst
    14.
    发明授权
    2,2(diarlyl)vinylphosphine compound, palladium catalyst thereof, and process for producing arylamine, diaryl, or arylalkyne with the catalyst 有权
    2,2（二芳基）乙烯基膦化合物，其钯催化剂，以及用催化剂制备芳基胺，二芳基或芳基炔的方法

    公开(公告)号：US06455720B1

    公开(公告)日：2002-09-24

    申请号：US09891304

    申请日：2001-06-27

    申请人： Ken Suzuki ,  Tohru Kobayashi ,  Takenobu Nishikawa ,  Yoji Hori ,  Toshimitsu Hagiwara

    发明人： Ken Suzuki ,  Tohru Kobayashi ,  Takenobu Nishikawa ,  Yoji Hori ,  Toshimitsu Hagiwara

    IPC分类号： C07F950

    CPC分类号： C07F15/006 ,  C07B37/04 ,  C07C1/321 ,  C07C2531/24 ,  C07F9/5013 ,  C07F15/0066

    摘要： A novel 2,2-(diaryl)vinylphosphine compound represented by the following general formula (1): (wherein R1 is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an alicyclic group having 5 to 7 carbon atoms, etc.; R2, R3, R4, R5, R6, and R7 may be the same or different and each is an alkyl group having 1 to 6 carbon atoms, an alicyclic group having 5 to 7 carbon atoms, etc., provided that R4 and R5 taken together and/or R6 and R7 taken together may represent a fused benzene ring, a substituted fused benzene ring, a trimethylene group, etc.; and p, q, r, and s each is 0 to 5, provided that p+q and r+s each is in the range of from 0 to 5); a palladium-phosphine catalyst obtained by causing a palladium compound to act on the novel 2,2-(diaryl)vinylphosphine compound; and a process for obtaining an arylamine, a diaryl and an arylalkyne in the presence of the palladium-phosphine catalyst.

    摘要翻译： 由以下通式（1）表示的新型2,2-（二芳基）乙烯基膦化合物：其中，R 1为氢原子，碳原子数1〜6的烷基，碳原子数5〜7的脂环族基等 R 2，R 3，R 4，R 5，R 6和R 7可以相同或不同，各自为碳原子数为1〜6的烷基，碳原子数5〜7的脂环族基等。 R 5和R 6一起代表稠合苯环，取代稠合苯环，三亚甲基等; p，q，r和s各自为0至5，条件是p + q和r + s各自在0至5的范围内）; 通过使钯化合物作用于新的2,2-（二芳基）乙烯基膦化合物而获得的钯 - 膦催化剂; 以及在钯 - 膦催化剂存在下获得芳基胺，二芳基和芳基炔的方法。

    Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the same
    15.
    发明授权
    Ruthenium metathesis catalyst and method for producing olefin reaction product by metathesis reaction using the same 失效
    钌复分解催化剂及使用其的复分解反应产生烯烃反应产物的方法

    公开(公告)号：US06175047B1

    公开(公告)日：2001-01-16

    申请号：US09219351

    申请日：1998-12-23

    申请人： Yoji Hori ,  Yukiharu Iwaya ,  Tsutomu Hashimoto ,  Toshimitsu Hagiwara

    发明人： Yoji Hori ,  Yukiharu Iwaya ,  Tsutomu Hashimoto ,  Toshimitsu Hagiwara

    IPC分类号： C07C604

    CPC分类号： C07C6/04 ,  B01J31/0231 ,  B01J31/2286 ,  B01J31/2295 ,  B01J31/24 ,  B01J31/2404 ,  B01J31/30 ,  B01J2231/14 ,  B01J2231/543 ,  B01J2531/821 ,  C07C2531/24

    摘要： The invention has an object of safely and simply preparing a large amount of a ruthenium metathesis catalyst, which is used as a catalyst for a carbon-carbon bond formation using, particularly, a metathesis reaction. The metathesis catalyst has the following complex composition (A) or (B). The composition (A) includes RuX12(arene)(PR1R2R3) and R4CHX22, R5C≡CH or R4CHX2 and a reducing agent, wherein X1 and X2 respectively are a halogen atom; arene is a hydrocarbon having a benzene ring; R1, R2 and R3, which may be the same or different, respectively are an alkyl group having 1-8 carbon atoms, a cycloalkyl group having 3-8 carbon atoms or an optionally substituted aryl group, wherein the substituent group is an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkylamino group having 1-8 carbon atoms or a halogen atom; R4 is an alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, an optionally subsituted aryl group, wherein the substituent group is a halogen atom or a hydroxyl group; or cycloalkyl group having 3-8 carbon atoms; and R5 is an optionally substituted alkyl group which has 1-8 carbon atoms and may have an ether bond or an ester bond, wherein the substituent group is a halogen atom or a hydroxyl group, an aryl group or a cycloalkyl group having 3-8 carbon atoms. The composition B includes [RuX12(arene)]2, PR1R2R3, R5C≡CH or R4CHX2 and a reducing agent, wherein X1, arene, R1, R2, R3, R4 and R5 are the same as defined above.

    摘要翻译： 本发明的目的是安全简单地制备大量的钌复分解催化剂，其用作碳 - 碳键形成催化剂，特别是用于复分解反应。 复分解催化剂具有以下复合组成（A）或（B）。 组合物（A）包括RuX12（芳烃）（PR1R2R3）和R4CHX22，R5C = CH或R4CHX2和还原剂，其中X1和X2分别是卤素原子; 芳烃是具有苯环的烃; R 1，R 2和R 3可以相同或不同，分别为具有1-8个碳原子的烷基，具有3-8个碳原子的环烷基或任选取代的芳基，其中取代基是烷基 具有1-8个碳原子，具有1-8个碳原子的烷氧基，具有1-8个碳原子的烷基氨基或卤素原子; R4是具有1-8个碳原子并且可以具有醚键或酯键的烷基，任选取代的芳基，其中取代基是卤素原子或羟基; 或具有3-8个碳原子的环烷基; R5是具有1-8个碳原子并且可以具有醚键或酯键的任意取代的烷基，其中取代基是卤素原子或羟基，芳基或具有3-8个碳原子的环烷基 碳原子。 组合物B包括[RuX 12（芳烃）] 2，PR 1 R 2 R 3，R 5 C = CH或R 4 CHX 2和还原剂，其中X 1，R 6，R 1，R 2，R 3，R 4和R 5与上述定义相同。

    Electrophotographic photoreceptor
    16.
    发明授权
    Electrophotographic photoreceptor 有权
    电子照相感光体

    公开(公告)号：US6150065A

    公开(公告)日：2000-11-21

    申请号：US285712

    申请日：1999-04-05

    申请人： Tohru Kobayashi ,  Yoko Aoki ,  Mamoru Yamada ,  Yoshimasa Matsushima ,  Hiroshi Sugiyama ,  Toshimitsu Hagiwara ,  Hajime Suzuki

    发明人： Tohru Kobayashi ,  Yoko Aoki ,  Mamoru Yamada ,  Yoshimasa Matsushima ,  Hiroshi Sugiyama ,  Toshimitsu Hagiwara ,  Hajime Suzuki

    IPC分类号： G03G5/06 ,  G03G5/09

    CPC分类号： G03G5/0607 ,  G03G5/0672

    摘要： Disclosed is a charge transfer material which is highly soluble in a binder resin, does not precipitates crystals and produces no pinhole and also disclosed is an electrophotographic photoreceptor comprising the charge transfer material which comprises a butadiene compound represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, respectively represent a lower alkyl group having 1-4 carbon atoms or a phenyl group or benzyl group which may have a substituent and R.sup.3, R.sup.4 and R.sup.5, which may be the same or different, respectively represent a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group having 1-4 carbon atoms or a halogen atom; and a butadiene compound represented by the general formula (II): ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same as above, and the content of the butadiene compound of the formula (I) is at least 60% by weight based on the total amount by weight of the butadiene compounds of the formulae (I) and (II).

    摘要翻译： 公开了一种高度可溶于粘合剂树脂的电荷转移材料，不会析出晶体并且不产生针孔，并且还公开了包含电荷转移材料的电子照相感光体，其包含由式（I）表示的丁二烯化合物：其中R1 和可以相同或不同的R 2分别表示可以具有取代基的具有1-4个碳原子的低级烷基或可以具有取代基的苯基或苄基，R 3，R 4和R 5可以相同或不同， 分别表示氢原子，卤素原子，低级烷基，具有1-4个碳原子的低级烷氧基或卤素原子; 和由通式（II）表示的丁二烯化合物：其中R1，R2，R3，R4和R5与上述相同，式（I）的丁二烯化合物的含量为至少60重量％ 关于式（I）和（II）的丁二烯化合物的总重量。

    Antiferroelectric liquid crystal compound and antiferroelectric liquid crystal composition containing the same
    17.
    发明授权
    Antiferroelectric liquid crystal compound and antiferroelectric liquid crystal composition containing the same 失效
    含有它的反铁电液晶化合物和反铁电液晶组合物

    公开(公告)号：US5667722A

    公开(公告)日：1997-09-16

    申请号：US653744

    申请日：1996-05-23

    申请人： Yukiharu Iwaya ,  Mamoru Yamada ,  Hitoshi Kondo ,  Toshimitsu Hagiwara

    发明人： Yukiharu Iwaya ,  Mamoru Yamada ,  Hitoshi Kondo ,  Toshimitsu Hagiwara

    IPC分类号： G02F1/137 ,  C07D239/34 ,  C09K19/02 ,  C09K19/34 ,  G02F1/13 ,  G02F1/141 ,  C07D239/02

    CPC分类号： C09K19/3463 ,  C07D239/34 ,  C09K19/0266

    摘要： An antiferroelectric liquid crystal compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an alkyl group having 6 to 16 carbon atoms; R.sup.2 represents a straight chain alkyl group having 3 to 8 carbon atoms or a branched alkyl group having 4 to 10 carbon atoms; and * means an asymmetric carbon atom, and an antiferroelectric liquid crystal composition comprising at least one liquid crystal compound as defined above. The optically active compound of the present invention is highly miscible with a number of known antiferroelectric liquid crystal compounds and thus capable of providing liquid crystal materials having improved temperature properties. A liquid crystal composition containing the optically active compound of the present invention is applicable to electro-optical devices with the use of antiferroelectric liquid crystals.

    摘要翻译： 由以下通式（I）表示的反铁电液晶化合物：其中R 1表示碳原子数6〜16的烷基， R2表示碳原子数3〜8的直链烷基或碳原子数4〜10的支链烷基。 和*表示不对称碳原子，以及包含至少一种如上所定义的液晶化合物的反铁电液晶组合物。 本发明的光学活性化合物与多种已知的反铁电液晶化合物高度混溶，从而能够提供具有改善的温度特性的液晶材料。 含有本发明的光学活性化合物的液晶组合物可应用于使用反铁电液晶的电光装置。