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公开(公告)号:US06734309B1
公开(公告)日:2004-05-11
申请号:US10393372
申请日:2003-03-20
申请人: Subhash Chandra Ray , Lakshmi Narayan Nandi , Baldev Singh , Hiralal Prasad , Sumant Maharaj , Prodyot Kumar Sarkar , Pashupati Dutta , Shyam Kishore Roy , Satya Niketan Yadav , Anup Kumar Bandyopadhyay
发明人: Subhash Chandra Ray , Lakshmi Narayan Nandi , Baldev Singh , Hiralal Prasad , Sumant Maharaj , Prodyot Kumar Sarkar , Pashupati Dutta , Shyam Kishore Roy , Satya Niketan Yadav , Anup Kumar Bandyopadhyay
IPC分类号: C07D21356
CPC分类号: C07D213/86
摘要: The invention provides a process for the manufacture of isonicotinic acid hydrazide(INH) useful in the treatment of tuberculosis. The invention relates to the single step conversion of isonicotinamide by hydrazine hydrate to isonicotinic acid hydrazide (INH) of yield greater than 95% (w/w) and purity more than 99%.
摘要翻译: 本发明提供了一种制造用于治疗结核病的异烟酰肼(INH)的方法。 本发明涉及通过水合肼将异烟酰胺单次转化为异烟酸酰肼(INH),产率大于95%(w / w),纯度大于99%。
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公开(公告)号:US06969699B1
公开(公告)日:2005-11-29
申请号:US10107613
申请日:2002-03-28
摘要: The present invention provides a low foaming scouring powder composition, said composition comprising fly ash as an abrasive agent ranges between 40 and 75%, an surfactant ranges between 3 and 6%, an alkali metal carbonate ranges between 10 and 20 %, an alkali metal bicarbonate ranges between 3 and 15%, an alkali halide ranges between 1 and 10 %, clay ranges between 5 to 50% and optionally traces of perfumes and colors and a process for preparing the above said composition.
摘要翻译: 本发明提供一种低泡沫洗涤粉末组合物,所述组合物包含作为研磨剂的飞灰,其范围为40至75%,表面活性剂的范围为3至6%,碱金属碳酸盐的范围为10至20%,碱金属 碳酸氢盐范围在3至15%之间,碱金属卤化物的范围在1至10%之间,粘土范围在5至50%之间,任选地痕量的香料和颜色以及制备上述组合物的方法。
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