Inventor · disambiguated record
Parven Kumar Luthra
Also filed as: LUTHRA PARVEN K · LUTHRA PARVEN KUMAR
23 granted patents·17 pending applications·137 citations·filing 2001–2022
93Inventor score
Files withALEMBIC LTD13ORCHID CHEMICALS & PHARM LTD9TEVA PHARMACEUTICALS INT GMBH7ASSIA CHEM IND LTD5TEVA CZECH IND S R O2
Top patents by PatentIndex Score
40 records- 0196US6388070B1Thioester derivatives of thiazolyl acetic acid and their use in the preparation of cephalosporin compoundsORCHID CHEMICALS & PHARM LTD·Filed 2001·Granted May 14, 2002·55 cites·14 claims
- 0290US7439385B2Process for the preparation of biphosphonic derivativesALEMBIC LTD·Filed 2006·Granted Oct 21, 2008·11 cites·3 claims
- 0389US6384215B1Preparation of new intermediates and their use in manufacturing of cephalosporin compoundsORCHID CHEMICALS & PHARM LTD·Filed 2001·Granted May 7, 2002·23 cites·12 claims
- 0482US11673880B2Solid state forms of ivosidenibASSIA CHEM IND LTD·Filed 2021·Granted Jun 13, 2023·1 cites·5 claims
- 0580US7741477B2Process for purification of sucraloseALEMBIC LTD·Filed 2007·Granted Jun 22, 2010·3 cites·2 claims
- 0680US6919449B2Process for the preparation of cephalosporin intermediate and its use for the manufacture of cephalosporin compoundsORCHID CHEMICALS & PHARM LTD·Filed 2002·Granted Jul 19, 2005·15 cites·15 claims
- 0778US6555680B1Method for the preparation of ceftiofur sodiumORCHID CHEMICALS & PHARM LTD·Filed 2001·Granted Apr 29, 2003·13 cites·22 claims
- 0875US6610845B1Thioester derivatives of thiazolyl acetic acid and their use in the preparation of cephalosporin compoundsORCHID CHEMICALS & PHARM LTD·Filed 2002·Granted Aug 26, 2003·8 cites·11 claims
- 0972US11066390B2Solid state forms of IvosidenibASSIA CHEM IND LTD·Filed 2018·Granted Jul 20, 2021·1 cites·5 claims
- 1071US7683205B2Process for the preparation of RivastigmineALEMBIC LTD·Filed 2006·Granted Mar 23, 2010·3 cites·10 claims
- 1170US8471039B2Process for the preparation of indoline derivatives and their intermediates thereofJOSHI SHREERANG·Filed 2010·Granted Jun 25, 2013·4 cites·12 claims
- 1259US11820776B2Process for the preparation of Remimazolam and solid state forms of Remimazolam saltsWATSON LAB INC·Filed 2021·Granted Nov 21, 2023·0 cites·8 claims
- 1359US2024246914A1Solid state form of centanafadine hcl and process for preparation thereofTEVA PHARMACEUTICALS INT GMBH·Filed 2022·Application pending·0 cites
- 1459US2024246949A1Solid state forms of lanifibranor and process for preparation thereofTEVA PHARMACEUTICALS INT GMBH·Filed 2022·Application pending·0 cites
- 1556US10927095B2Processes for the preparation of Niraparib and intermediates thereofTEVA PHARMACEUTICALS INT GMBH·Filed 2018·Granted Feb 23, 2021·0 cites·17 claims
- 1654US2024294537A1SOLID STATE FORMS OF 4-[[4-(4-CHLOROANILINO)FURO[2,3-d]PYRIDAZIN-7-yl]OXYMETHYL]-N-METHYLPYRIDINE-2-CARBOXAMIDE AND SALT THEREOFTEVA PHARMACEUTICALS INT GMBH·Filed 2022·Application pending·0 cites
- 1753US7863462B2Process for the purification of ropinirole hydrochlorideALEMBIC LTD·Filed 2007·Granted Jan 4, 2011·0 cites·5 claims
- 1853US2023374028A1Solid state forms of trilaciclib and of trilaciclib saltsTEVA PHARMACEUTICALS INT GMBH·Filed 2021·Application pending·0 cites
- 1951US7652147B2Process for preparation of IrbesartanALEMBIC LTD·Filed 2006·Granted Jan 26, 2010·0 cites·63 claims
- 2049US12234246B2Solid state forms of baloxavir marboxilASSIA CHEM IND LTD·Filed 2020·Granted Feb 25, 2025·0 cites·18 claims
- 2148US2023107634A1Processes for the preparation of glasdegib and salt thereof and solid state forms of glasdegib maleate and process for preparation thereofTEVA PHARMACEUTICALS INT GMBH·Filed 2021·Application pending·0 cites
- 2247US7968731B2Process for the purification of Ropinirole hydrochlorideALEMBIC LTD·Filed 2007·Granted Jun 28, 2011·0 cites·4 claims
- 2346US11034697B2Process for the preparation of Remimazolam and solid state forms of Remimazolam saltsWATSON LAB INC·Filed 2018·Granted Jun 15, 2021·0 cites·20 claims
- 2446US6713625B2Process for the preparation of cefditoren using the thioester of thiazolylacetic acidORCHID CHEMICALS & PHARM LTD·Filed 2002·Granted Mar 30, 2004·0 cites·10 claims
- 2546US2008051352A1Novel process for the preparation of telithromycinALEMBIC LTD·Filed 2006·Application pending·0 cites
- 2645US2010234632A1process for the preparation of entacaponeALEMBIC LTD·Filed 2007·Application pending·0 cites
- 2744US7777039B2Process for the preparation of aripiprazoleALEMBIC LTD·Filed 2006·Granted Aug 17, 2010·0 cites·8 claims
- 2843US2022340532A1Processes for the preparation of roxadustat and intermediates thereofTEVA PHARMACEUTICALS INT GMBH·Filed 2020·Application pending·0 cites
- 2943US2004132995A1Process for the preparation of cephalosporinsORCHID CHEMICALS & PHARM LTD·Filed 2003·Application pending·0 cites
- 3042US2007082854A1Novel polymorphs of erythromycin compoundALEMBIC LTD·Filed 2006·Application pending·0 cites
- 3141US11072586B2Solid state forms of eltrombopag cholineASSIA CHEM IND LTD·Filed 2018·Granted Jul 27, 2021·0 cites·13 claims
- 3241US6833459B2Process for the preparation of thiazole intermediateORCHID CHEMICALS & PHARM LTD·Filed 2002·Granted Dec 21, 2004·0 cites·12 claims
- 3341US2023279009A1Solid state forms of avapritinib saltsTEVA CZECH IND S R O·Filed 2021·Application pending·0 cites
- 3441US2022153744A1Solid state forms of acalabrutinibASSIA CHEM IND LTD·Filed 2020·Application pending·0 cites
- 3539US2006258877A1Process for the preparation of (E)-2-cyano-3-(3, 4-dihydroxy-5-nitrophenyl)-N, N-diethyl-2-propenamide (entacapone)ALEMBIC LTD·Filed 2006·Application pending·0 cites
- 3639US2009312538A1process for the preparation of sucralose of high purityALEMBIC LTD·Filed 2006·Application pending·0 cites
- 3738US2010113798A1Process for preparation of irbesartanALEMBIC LTD·Filed 2010·Application pending·0 cites
- 3838US2006009639A1Process for the preparation of cefpodoxime proxetilORCHID CHEMICALS & PHARM LTD·Filed 2003·Application pending·0 cites
- 3936US2023103724A1Solid state forms of avapritinib and process for preparation thereofTEVA CZECH IND S R O·Filed 2021·Application pending·0 cites
- 4035US10472329B2Process for the preparation of intermediates useful in the synthesis of EluxadolineALLERGAN HOLDINGS UNLIMITED COMPANY·Filed 2016·Granted Nov 12, 2019·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →