Inventor

RAY PURNA CHANDRA

IN12 patents

⚠️ This page may combine multiple inventors who share the name “RAY PURNA CHANDRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RANBAXY LAB LTD

4 patents

US5696275ADec 9, 1997

Process for the manufacture of pharmaceutical grade ranitidine base

RANBAXY LAB LTD3 citations61

US7148355B2Dec 12, 2006

Process for the preparation of repaglinide

RANBAXY LAB LTD4 citations59

US7078524B2Jul 18, 2006

Process for the synthesis of ganciclovir

RANBAXY LAB LTD4 citations59

US6900296B2May 31, 2005

Cost effective method for selective methylation of erythromycin A derivatives

RANBAXY LAB LTD0 citations44

LUPIN LTD

3 patents

US9127029B2Sep 8, 2015

Process for preparation of substantially pure fosamprenavir calcium and its intermediates

LUPIN LTD0 citations48

US10479787B2Nov 19, 2019

Process for preparation of tetrabenazine and deutetrabenazine

LUPIN LTD0 citations41

US10752618B2Aug 25, 2020

Process for the preparation of pure and stable crystalline Raltegravir potassium form 3

LUPIN LTD0 citations38

MATRIX LAB LTD

2 patents

US8048904B2Nov 1, 2011

Process for the preparation of olmesartan medoxomil

MATRIX LAB LTD7 citations72

US8026356B2Sep 27, 2011

Process for the large scale production of Stavudine

MATRIX LAB LTD0 citations43

ARORA SURINDER KUMAR

1 patent

US8877947B2Nov 4, 2014

Process for preparation of substantially pure fosamprenavir calcium and its intermediates

ARORA SURINDER KUMAR2 citations52

TYAGI OM DUTT

1 patent

US8247568B2Aug 21, 2012

Process for the preparation of pure rabeprazole

TYAGI OM DUTT0 citations43

RAY PURNA CHANDRA

1 patent

US9163009B2Oct 20, 2015

Salts of raltegravir

RAY PURNA CHANDRA0 citations36