Inventor
LUTHRA PARVEN KUMAR
IN22 patents
⚠️ This page may combine multiple inventors who share the name “LUTHRA PARVEN KUMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ORCHID CHEMICALS & PHARM LTD
7 patentsUS6388070B1May 14, 2002
Thioester derivatives of thiazolyl acetic acid and their use in the preparation of cephalosporin compounds
ORCHID CHEMICALS & PHARM LTD55 citations95
US6384215B1May 7, 2002
Preparation of new intermediates and their use in manufacturing of cephalosporin compounds
ORCHID CHEMICALS & PHARM LTD23 citations92
US6919449B2Jul 19, 2005
Process for the preparation of cephalosporin intermediate and its use for the manufacture of cephalosporin compounds
ORCHID CHEMICALS & PHARM LTD15 citations79
US6555680B1Apr 29, 2003
Method for the preparation of ceftiofur sodium
ORCHID CHEMICALS & PHARM LTD13 citations79
US6610845B1Aug 26, 2003
Thioester derivatives of thiazolyl acetic acid and their use in the preparation of cephalosporin compounds
ORCHID CHEMICALS & PHARM LTD8 citations69
US6713625B2Mar 30, 2004
Process for the preparation of cefditoren using the thioester of thiazolylacetic acid
ORCHID CHEMICALS & PHARM LTD0 citations51
US6833459B2Dec 21, 2004
Process for the preparation of thiazole intermediate
ORCHID CHEMICALS & PHARM LTD0 citations45
ALEMBIC LTD
7 patentsUS7439385B2Oct 21, 2008
Process for the preparation of biphosphonic derivatives
ALEMBIC LTD11 citations83
US7683205B2Mar 23, 2010
Process for the preparation of Rivastigmine
ALEMBIC LTD3 citations53
US7741477B2Jun 22, 2010
Process for purification of sucralose
ALEMBIC LTD3 citations51
US7863462B2Jan 4, 2011
Process for the purification of ropinirole hydrochloride
ALEMBIC LTD0 citations48
US7968731B2Jun 28, 2011
Process for the purification of Ropinirole hydrochloride
ALEMBIC LTD0 citations42
US7777039B2Aug 17, 2010
Process for the preparation of aripiprazole
ALEMBIC LTD0 citations42
US7652147B2Jan 26, 2010
Process for preparation of Irbesartan
ALEMBIC LTD0 citations30
ASSIA CHEM IND LTD
4 patentsUS12234246B2Feb 25, 2025
Solid state forms of baloxavir marboxil
ASSIA CHEM IND LTD0 citations54
US11673880B2Jun 13, 2023
Solid state forms of ivosidenib
ASSIA CHEM IND LTD1 citations54
US11066390B2Jul 20, 2021
Solid state forms of Ivosidenib
ASSIA CHEM IND LTD1 citations54
US11072586B2Jul 27, 2021
Solid state forms of eltrombopag choline
ASSIA CHEM IND LTD0 citations50