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    • 3. 发明申请
    • Allergen inactivator
    • 过敏原灭活剂
    • US20050256082A1
    • 2005-11-17
    • US10519474
    • 2003-07-02
    • Mami NonomuraKimihiko HoriHiroshi Nojiri
    • Mami NonomuraKimihiko HoriHiroshi Nojiri
    • A61K8/02A61K8/04A61K8/73A61K31/715A61K47/10A61K47/18A61K47/24A61P37/08A61Q17/00A61Q19/00A62B18/00A61K31/717A61K31/716
    • A61K8/732A61K8/0229A61K8/731A61K9/0014A61K31/715A61K47/10A61K47/18A61K47/183A61K47/24A61Q19/00A62B18/00C08L1/26C08L1/284C08L1/32C08L3/08
    • This invention relates to an allergen inactivating agent containing a polysaccharide derivative as its effective component, wherein said polysaccharide derivative has a cellulose ether or a starch ether as its backbone, and some or all of hydrogen atoms in the hydroxy group of the polysaccharide derivative are substituted by a group represented by the following general formula (1): -E1-(OA)n-E2-R  (1) wherein E1 represents an alkylene containing 1 to 6 carbon atoms optionally substituted with hydroxy group or oxo group; n represents a number of 0 to 50; A independently represents an alkylene containing 1 to 6 carbon atoms, the number of A being n; E2 represents ether bond or oxycarbonyl group; R represents an alkyl group containing 4 to 30 carbon atoms optionally substituted with hydroxy group, a sulfoalkyl group containing 1 to 5 carbon atoms optionally substituted with hydroxy group, or a salt thereof. By using such allergen inactivating agent, house dust and other environmental allergens can be inactivated with no adverse effects on the human body and without causing problems such as color development.
    • 本发明涉及含有多糖衍生物作为其有效成分的变应原灭活剂,其中所述多糖衍生物具有纤维素醚或淀粉醚作为其主链,多糖衍生物的羟基中的一部分或全部氢原子被取代 由以下通式(1)表示的基团:<?in-line-formula description =“In-line Formulas”end =“lead”?> - E <1> - (OA) (1)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中E 1 代表任选被羟基或氧代基取代的含有1至6个碳原子的亚烷基; n表示0〜50的数; A独立地表示含有1至6个碳原子的亚烷基,A的数目为n; E 2表示醚键或氧羰基; R表示任选被羟基取代的含有4〜30个碳原子的烷基,可以被羟基取代的含有1〜5个碳原子的磺基烷基或其盐。 通过使用这种过敏原灭活剂,可以灭活房屋尘埃和其他环境过敏原,对人体没有不利影响,并且不会引起颜色发展等问题。
    • 7. 发明授权
    • Process for preparing 2-carboxydibenzoylmethanes
    • 2-羧基二苯甲酰甲烷的制备方法
    • US4670585A
    • 1987-06-02
    • US898714
    • 1986-08-21
    • Kimihiko HoriKoichi NakamuraNaotake Takaishi
    • Kimihiko HoriKoichi NakamuraNaotake Takaishi
    • C07C65/32C07C51/00C07C51/083C07C51/347C07C65/34C07C65/40C07C67/00C07C59/84
    • C07C51/347
    • 2-Carboxydibenzoylmethanes of the following formula ##STR1## in which R.sub.1 and R.sub.2 are independently a substituent joined to any position of the benzene nucleus and represent a hydrogen atom, a halogen atom, a linear or branched alkyl or alkenyl group having from 1 to 18 carbon atoms, or a linear or branched, saturated or unsaturated alkoxy group having from 1 to 18 carbon atoms, m is an integer of from 1 to 4, and n is an integer of from 1 to 5 are prepared inexpensively with ease in high yield by a novel process characterized by reaction between phthalic anhydrides and acetophenones in the presence of bases.The 2-carboxydibenzoylmethanes are useful as an inhibitor of the root geotropic response of plants or a growth regulator for plants, or a stabilizer for halogen-containing resins.
    • 下式“IMAGE”的2-羧基二苯甲酰甲烷,其中R 1和R 2独立地是连接到苯核的任何位置并且表示氢原子,卤素原子,具有1至18个碳原子的直链或支链烷基或烯基的取代基 碳原子或具有1至18个碳原子的直链或支链,饱和或不饱和的烷氧基,m为1至4的整数,并且n为1至5的整数,以高产率容易地制备 通过特征在于在碱存在下邻苯二甲酸酐与苯乙酮之间的反应的新方法。 2-羧基二苯甲酰甲烷可用作植物根系地应力反应抑制剂或植物生长调节剂或含卤树脂稳定剂。