loadpatents
name:-0.034785032272339
name:-0.034624814987183
name:-0.015733957290649
Ray; Purna Chandra Patent Filings

Ray; Purna Chandra

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ray; Purna Chandra.The latest application filed is for "crystalline forms of daclatasvir dihydrochloride".

Company Profile
5.12.26
  • Ray; Purna Chandra - Pune IN
  • Ray; Purna Chandra - Maharashtra IN
  • Ray; Purna Chandra - Hyderabad IN
  • Ray; Purna Chandra - Secunderabad IN
  • Ray; Purna Chandra - Delhi IN
  • Ray, Purna Chandra - New Delhi IN
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
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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