Methods of chemical synthesis of diaminophenothiazinium compounds involving the use of persulfate oxidants
    14.
    发明授权
    Methods of chemical synthesis of diaminophenothiazinium compounds involving the use of persulfate oxidants 有权
    涉及使用过硫酸盐氧化剂的二氨基吩噻嗪鎓化合物的化学合成方法

    公开(公告)号:US08691979B2

    公开(公告)日:2014-04-08

    申请号:US13318907

    申请日:2010-05-11

    CPC classification number: C07D279/18 C07C381/02

    Abstract: Described are methods of synthesizing and purifying certain 3,7-diamino-phenothiazin-5-ium compounds (referred to herein as “diaminophenothiazinium compounds”) including Methylhioninium Chloride (MTC) (also known as Methylene Blue). In one embodiment, the method comprises the steps of, in order: a thiosulfonic acid formation (TSAF); an oxidative coupling (OC); and a ring closure (RC). Also described are resulting compounds and compositions comprising them (e.g., tablets, capsules) for use in methods of medical treatment and diagnosis, etc., for example, for tauopathies, or Alzheimer's disease (AD).

    Abstract translation: 描述了合成和纯化包括甲基硫堇(MTC)(也称为亚甲基蓝)的某些3,7-二氨基吩噻嗪-5-肟化合物(本文称为“二氨基吩噻嗪鎓化合物”)的方法。 在一个实施方案中,该方法包括以下步骤:顺序:硫代磺酸形成(TSAF); 氧化偶联(OC); 和闭环(RC)。 还描述了用于医学治疗和诊断方法等的例如用于tau蛋白病或阿尔茨海默氏病(AD)的所得化合物和包含它们的组合物(例如片剂,胶囊)。

    Cigarette filter
    18.
    发明授权
    Cigarette filter 有权
    香烟过滤器

    公开(公告)号:US08256434B2

    公开(公告)日:2012-09-04

    申请号:US12854233

    申请日:2010-08-11

    CPC classification number: A24B15/28 A24C5/56 A24D1/02 A24D3/04 A24D3/06 A24D3/068

    Abstract: The present invention concerns an at least partially transparent cigarette filter tipping film comprising a biodegradable substrate, and softener in an amount of less than 25% by weight of the biodegradable substrate, and a cigarette filter comprising a filtration material encased in a cylinder of the said tipping film.

    Abstract translation: 本发明涉及一种至少部分透明的卷烟过滤嘴,其包括可生物降解的基质和小于生物降解性基质重量的25重量%的软化剂,以及卷烟过滤嘴,其包括被包封在所述 翻转胶片

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