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    • 3. 发明授权
    • Process for preparing pure crystalline lorazepam
    • 制备纯结晶劳拉西泮的方法
    • US06350870B2
    • 2002-02-26
    • US09799318
    • 2001-03-05
    • Igor Lifshitz
    • Igor Lifshitz
    • C07D24324
    • C07D243/24
    • The present invention provides a process for preparing crystalline lorazepam substantially free of bound solvent from a lorazepam alcohol solvate or hydrate by suspending the lorazepam solvate in an organic medium selected from ethyl acetate, cyclohexane, dichloromethane, toluene and mixtures thereof. This process is useful in producing the anti-anxiety and sedative agent lorazepam in increased yields. A process for converting lorazepam lower alcohol solvates to lorazepam hydrate is also disclosed.
    • 本发明提供了一种通过将劳拉西泮溶剂化物悬浮在选自乙酸乙酯,环己烷,二氯甲烷,甲苯及其混合物的有机介质中来制备基本上不含结合的溶剂的劳拉西泮醇溶剂化物或水合物的结晶性劳拉西泮的方法。 该方法可用于产生抗焦虑和镇静剂劳拉西泮的产量增加。 还公开了将劳拉西泮低级醇溶剂化物转化为水合氯雷他平的方法。
    • 4. 发明授权
    • Food press form
    • 食品新闻形式
    • US4362497A
    • 1982-12-07
    • US293513
    • 1981-08-14
    • Igor Lifshitz
    • Igor Lifshitz
    • A21C11/00A21C11/10B29C1/00
    • A21C11/106A21C11/00
    • Food products are processed prior to consumption in a press form having multiple, separate, pre-selected planar food product molds, each having tapered walls, providing easy food product removal. The food products can have pastry dough exteriors and can be filled with selected food fillings held in position and shaped by dough crust exteriors. Multiple press form food product molds have regular planar shapes disposed multiple in a tray. One face of each product mold has a cutting-edge knife disposed thereon, conforming to the mold interior shape. The cutting-edge knife can be disposed at either mold wall taper terminus. A cooperatively shaped, one-piece negative pusher plug mold, sized to intercept each one of the multiple food product molds disposed in the tray, is used to cooperatively push each food product out of the molds in the tray simultaneously. Additional, easily insertable and removable partitions of single and double cross-wise edge-knife units can be disposed in the molds, further dividing the food products.
    • 食品在消费之前被加工成具有多个分开的,预选的平面食品模具的压榨形式,每个模具具有锥形壁,从而提供容易的食品移除。 食品可以有糕点面团外观,并且可以填充保持在适当位置的选定的食物馅料,并通过面外皮成型。 多重冲压成​​型食品模具在托盘中具有多个布置的规则的平面形状。 每个产品模具的一个面具有设置在其上的切割刀,符合模具内部形状。 前刀可以设置在任何一个模具壁锥形终点。 用于协调地设置成拦截设置在托盘中的多个食品模具中的每一个的协同成形的单件式负推塞模具用于将每个食品同时推出托盘中的模具。 另外,可以在模具中设置单个和两个交叉边缘刀单元的容易插入和移除的隔板,进一步分割食品。