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Purna Chandra Ray
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Hyderabad, IN
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Patents Grants
last 30 patents
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Patent Grant
Crystalline oxybutynin and process for preparing the same
Patent number
8,513,455
Issue date
Aug 20, 2013
Matrix Laboratories Limited
Purna Chandra Ray
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of pure rabeprazole
Patent number
8,247,568
Issue date
Aug 21, 2012
Matrix Laboratories Ltd
Om Dutt Tyagi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of olmesartan medoxomil
Patent number
8,048,904
Issue date
Nov 1, 2011
Matrix Laboratories Ltd.
Gorantla Seeta Ramanjaneyulu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the large scale production of Stavudine
Patent number
8,026,356
Issue date
Sep 27, 2011
Matrix Laboratories, Ltd.
Purna Chandra Ray
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR THE PREPARATION OF PURE RABEPRAZOLE
Publication number
20100190989
Publication date
Jul 29, 2010
MATRIX LABORATORIES LTD
Om Dutt Tyagi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF OLMESARTAN MEDOXOMIL
Publication number
20090281327
Publication date
Nov 12, 2009
Gorantla Seeta Ramanjaneyulu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the Large Scale Production of Rizatriptan Benzoate
Publication number
20090062550
Publication date
Mar 5, 2009
Matrix Laboratories Ltd
Purna Chandra Ray
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the Large Scale Production of Stavudine
Publication number
20080312428
Publication date
Dec 18, 2008
Matrix Laboratories Ltd
Purna Chandra Ray
C07 - ORGANIC CHEMISTRY