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Patent Agency Ranking
公开(公告)号：US08293918B2
公开(公告)日：2012-10-23
申请号：US12641926
申请日：2009-12-18
Applicant: Gelebith H. Modi , Anil Kumar Tyagi , Ashutosh Agarwal , Hem Chandra , Nikhilesh Chandra Bhardwaj , Pradeep Kumar Verma
Inventor： Gelebith H. Modi , Anil Kumar Tyagi , Ashutosh Agarwal , Hem Chandra , Nikhilesh Chandra Bhardwaj , Pradeep Kumar Verma
IPC: C07D211/72
CPC classification number: C07D213/61 , C07D213/73
Abstract: Disclosed herein an improved process for producing 2,3-dihalopyridine with high purity at industrial scale with minimum effluent.
Abstract translation: 本文公开了一种以最小流出物在工业规模下生产高纯度的2,3-二卤代吡啶的改进方法。
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公开(公告)号：US07348435B2
公开(公告)日：2008-03-25
申请号：US11195728
申请日：2005-08-03
Applicant: Vijay Kumar Kaushik , Nanhe Lal Chaurasia , Pradeep Kumar Verma , Ashutosh Agarwal
Inventor： Vijay Kumar Kaushik , Nanhe Lal Chaurasia , Pradeep Kumar Verma , Ashutosh Agarwal
IPC: C07D211/56
CPC classification number: C07D211/62
Abstract: The present invention relates to an improved and single step process for producing cyanopiperidine by dehydrating respective piperidine carboxamide employing a suitable dehydrating agent.
Abstract translation: 本发明涉及通过使用合适的脱水剂脱水各自的哌啶甲酰胺来制备氰基哌啶的改进和单步方法。
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公开(公告)号：US07365204B2
公开(公告)日：2008-04-29
申请号：US10806061
申请日：2004-03-22
Applicant: Rajiv Kumar , Praphulla Narahar Joshi , Gopal Moreshwar Chaphekar , Prashant Suresh Niphadkar , Ashutosh Agarwal , Pradeep Kumar Verma , Kumar Samir Singh
Inventor： Rajiv Kumar , Praphulla Narahar Joshi , Gopal Moreshwar Chaphekar , Prashant Suresh Niphadkar , Ashutosh Agarwal , Pradeep Kumar Verma , Kumar Samir Singh
IPC: C07D213/08 , C07D213/12
CPC classification number: C07D213/08 , B01J29/89 , B01J2229/12 , B01J2229/32 , C07D213/10
Abstract: An process for the preparation of pyridine and/or picolines is disclosed. The process comprises contacting a mixture of carbonyl compound with ammonia in the presence of surface-passivated titanium-silicate catalyst in gas phase at a temperature ranging between 300-500° C., at gas space velocity in the range of 300 to 3000 h−1 and at a pressure ranging between 1 to 10 atmosphere, condensing and separating the products by conventional methods and if desired, further purifying the product using well known conventional methods.
Abstract translation: 公开了制备吡啶和/或吡啶甲酸的方法。 该方法包括在表面钝化的钛硅酸盐催化剂存在下，在300-300℃的温度范围内，在300-500℃的温度范围内，使羰基化合物与氨的混合物在气相中接触， SUP> -1，并且在1至10个大气压的范围内，通过常规方法冷凝和分离产物，如果需要，使用公知的常规方法进一步纯化产物。
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公开(公告)号：US07022853B2
公开(公告)日：2006-04-04
申请号：US10282210
申请日：2002-10-29
Applicant: Nikhilesh Chandra Bhardwaj , Pradeep Kumar Verma , Agarwal Ashutosh
Inventor： Nikhilesh Chandra Bhardwaj , Pradeep Kumar Verma , Agarwal Ashutosh
CPC classification number: C07D213/803 , C07D213/80
Abstract: The present invention relates to a single-pot process for the preparation of metal nicotinates, useful as a dietary supplement, from beta picoline as a source of the starting material, said process comprising the steps hydrosulfonation of beta picoline with sulfuric acid, heating the reaction mixture thus obtained to a temperature of about 150°-210° C. followed by oxidation with a suitable oxidizing agent to obtain nicotinic acid sulfate, reacting the nicotinic acid sulfate with a water soluble zinc and/or chromium salt to produce a solid metal nicotinate and separating it to thereby recover the corresponding metal nicotinates of high purity.
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公开(公告)号：US20100160641A1
公开(公告)日：2010-06-24
申请号：US12641926
申请日：2009-12-18
Applicant: Gelebith H. MODI , Anil Kumar Tyagi , Ashutosh Agarwal , Hem Chandra , Nikhilesh Chandra Bhardwaj , Pradeep Kumar Verma
Inventor： Gelebith H. MODI , Anil Kumar Tyagi , Ashutosh Agarwal , Hem Chandra , Nikhilesh Chandra Bhardwaj , Pradeep Kumar Verma
IPC: C07D213/61
CPC classification number: C07D213/61 , C07D213/73
Abstract: Disclosed herein an improved process for producing 2,3-dihalopyridine with high purity at industrial scale with minimum effluent.
Abstract translation: 本文公开了一种以最小流出物在工业规模下生产高纯度的2,3-二卤代吡啶的改进方法。
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