Purna Chandra Ray

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Delhi, IN

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of repaglinide
- Patent number 7,148,355
- Issue date Dec 12, 2006
- Ranbaxy Laboratories Limited
- Purna Chandra Ray
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the synthesis of ganciclovir
- Patent number 7,078,524
- Issue date Jul 18, 2006
- Ranbaxy Laboratories Limited
- Jayachandra Suresh Babu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 3-ethoxy-4-ethoxycarbonyl phenyl acetic acid, a key ac...
- Patent number 6,686,497
- Issue date Feb 3, 2004
- Banbaxy Laboratories Limited
- Mohammad Salman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of pharmaceutical grade ranitidine base
- Patent number 5,696,275
- Issue date Dec 9, 1997
- Ranbaxy Laboratories Limited
- Jag Mohan Khanna
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for the preparation of ganciclovir
- Publication number 20060142574
- Publication date Jun 29, 2006
- Jayachandra Suresh Babu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the preparation of repaglinide
- Publication number 20050107614
- Publication date May 19, 2005
- Purna Chandra Ray
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the preparation of beta-ionylideneacetaldehyde
- Publication number 20050027143
- Publication date Feb 3, 2005
- Mohammad Salman
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the synthesis of ganciclovir
- Publication number 20040102628
- Publication date May 27, 2004
- Jayachandra Suresh Babu
- C07 - ORGANIC CHEMISTRY