loadpatents
Patent applications and USPTO patent grants for Ray; Purna Chandra.The latest application filed is for "crystalline forms of daclatasvir dihydrochloride".
Patent | Date |
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Process for the preparation of pure and stable crystalline Raltegravir potassium form 3 Grant 10,752,618 - Ray , et al. A | 2020-08-25 |
Process for preparation of tetrabenazine and deutetrabenazine Grant 10,479,787 - Despande , et al. Nov | 2019-11-19 |
Crystalline Forms Of Daclatasvir Dihydrochloride App 20190256498 - SANPHUI; Palash ;   et al. | 2019-08-22 |
Process For The Preparation Of Pure And Stable Crystalline Raltegravir Potassium Form 3 App 20190248773 - Ray; Purna Chandra ;   et al. | 2019-08-15 |
Novel Process For Preparation Of Tetrabenazine And Deutetrabenazine App 20190135803 - DESPANDE; Tushar Nandkumar ;   et al. | 2019-05-09 |
Process For Preparation Of Apremilast And Novel Polymorphs Thereof App 20180230097 - SANPHUI; Palash ;   et al. | 2018-08-16 |
A Manufacturing Process For An Iron Containing Adsorbent App 20170259241 - KUMAR; Gaurav ;   et al. | 2017-09-14 |
Novel Salts of Raltegravir App 20160185766 - Ray; Purna Chandra ;   et al. | 2016-06-30 |
Stable Amorphous Raltegravir Potassium Premix And Process For The Preparation Thereof App 20150328215 - ARORA; Surinder Kumar ;   et al. | 2015-11-19 |
Salts of raltegravir Grant 9,163,009 - Ray , et al. October 20, 2 | 2015-10-20 |
Novel Process And Intermediate For Preparation Of Ulipristal App 20150274770 - Ray; Purna Chandra ;   et al. | 2015-10-01 |
Process for preparation of substantially pure fosamprenavir calcium and its intermediates Grant 9,127,029 - Arora , et al. September 8, 2 | 2015-09-08 |
Process for preparation of substantially pure fosamprenavir calcium and its intermediates Grant 8,877,947 - Arora , et al. November 4, 2 | 2014-11-04 |
Process For Preparation Of Substantially Pure Fosamprenavir Calcium And Its Intermediates App 20140256959 - Arora; Surinder Kumar ;   et al. | 2014-09-11 |
Novel Salts of Raltegravir App 20140155607 - Ray; Purna Chandra ;   et al. | 2014-06-05 |
Process For Preparation Of Substantially Pure Fosamprenavir Calcium And Its Intermediates App 20130174651 - Arora; Surinder Kumar ;   et al. | 2013-07-11 |
Process For Preparation Of Amisulpride App 20130096319 - Paghdar; Dinesh Jayntibhai ;   et al. | 2013-04-18 |
Process For The Preparation Of Dienogest Substantially Free Of Impurities App 20130041166 - Tambe; Suhas Ganpat ;   et al. | 2013-02-14 |
Controlled Release Pharmaceutical Compositions Of Tapentadol App 20130005780 - Mahakal; Kumodini Kashinath ;   et al. | 2013-01-03 |
Process for the preparation of pure rabeprazole Grant 8,247,568 - Tyagi , et al. August 21, 2 | 2012-08-21 |
Process for the preparation of olmesartan medoxomil Grant 8,048,904 - Ramanjaneyulu , et al. November 1, 2 | 2011-11-01 |
Process for the large scale production of Stavudine Grant 8,026,356 - Ray , et al. September 27, 2 | 2011-09-27 |
Process For The Preparation Of Pure Rabeprazole App 20100190989 - Tyagi; Om Dutt ;   et al. | 2010-07-29 |
Process For The Preparation Of Olmesartan Medoxomil App 20090281327 - Ramanjaneyulu; Gorantla Seeta ;   et al. | 2009-11-12 |
Process for the Large Scale Production of Rizatriptan Benzoate App 20090062550 - Ray; Purna Chandra ;   et al. | 2009-03-05 |
Process for the Large Scale Production of Stavudine App 20080312428 - Ray; Purna Chandra ;   et al. | 2008-12-18 |
Process for the preparation of repaglinide Grant 7,148,355 - Ray , et al. December 12, 2 | 2006-12-12 |
Process for the synthesis of ganciclovir Grant 7,078,524 - Babu , et al. July 18, 2 | 2006-07-18 |
Process for the preparation of ganciclovir App 20060142574 - Babu; Jayachandra Suresh ;   et al. | 2006-06-29 |
Process for the preparation of repaglinide App 20050107614 - Ray, Purna Chandra ;   et al. | 2005-05-19 |
Process for the preparation of beta-ionylideneacetaldehyde App 20050027143 - Salman, Mohammad ;   et al. | 2005-02-03 |
Process for the synthesis of ganciclovir App 20040102628 - Babu, Jayachandra Suresh ;   et al. | 2004-05-27 |
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