Inventor · disambiguated record
Satyen Kumar Das
Also filed as: DAS SATYEN KUMAR
31 granted patents·7 pending applications·314 citations·filing 1997–2025
95Inventor score
Top patents by PatentIndex Score
38 records- 0196US11421162B2Process for co-conversion of waste plastics and hydrocarbon feedstockINDIAN OIL CORP LTD·Filed 2021·Granted Aug 23, 2022·37 cites·11 claims
- 0293US11421159B2Process and apparatus for co-conversion of waste plastics in Delayed Coker unitINDIAN OIL CORP LTD·Filed 2020·Granted Aug 23, 2022·4 cites·12 claims
- 0392US7029571B1Multi stage selective catalytic cracking process and a system for producing high yield of middle distillate products from heavy hydrocarbon feedstocksINDIAN OIL CORP LTD·Filed 2000·Granted Apr 18, 2006·86 cites·22 claims
- 0487US11840672B2Integrated process for converting crude oil to high value petrochemicalsINDIAN OIL CORP LTD·Filed 2023·Granted Dec 12, 2023·1 cites·18 claims
- 0587US10590354B2Process for the conversion of crude oil to light olefins, aromatics and syngasINDIAN OIL CORP LTD·Filed 2018·Granted Mar 17, 2020·3 cites·16 claims
- 0686US11859132B2Process and an apparatus for conversion of waste plastic pyrolysis oil into valuable productsINDIAN OIL CORP LTD·Filed 2022·Granted Jan 2, 2024·1 cites·13 claims
- 0785US5846402AProcess for catalytic cracking of petroleum based feed stocksINDIAN OIL CORP LTD·Filed 1997·Granted Dec 8, 1998·83 cites·8 claims
- 0882US6153089AUpgradation of undesirable olefinic liquid hydrocarbon streamsINDIAN OIL CORP LTD·Filed 1999·Granted Nov 28, 2000·60 cites·20 claims
- 0981US6858556B2Stabilized dual zeolite single particle catalyst composition and a process thereofINDIAN OIL CORP LTD·Filed 2002·Granted Feb 22, 2005·24 cites·35 claims
- 1078US10662385B2Delayed coking process with pre-cracking reactorINDIAN OIL CORP LTD·Filed 2016·Granted May 26, 2020·2 cites·2 claims
- 1167US11591530B2Additive for preventing fouling of thermal cracker furnaceINDIAN OIL CORP LTD·Filed 2022·Granted Feb 28, 2023·0 cites·15 claims
- 1264US10280372B2Hydrocarbon cracking catalyst and process for producing light olefinsINDIAN OIL CORP LTD·Filed 2014·Granted May 7, 2019·1 cites·8 claims
- 1364US7604731B2Process for the production of needle cokeINDIAN OIL CORP LTD·Filed 2004·Granted Oct 20, 2009·11 cites·14 claims
- 1463US12480056B2Process for production of Needle coke and aromaticsINDIAN OIL CORP LTD·Filed 2023·Granted Nov 25, 2025·0 cites·12 claims
- 1562US2024294835A1Preheating process module integrated with coke handling system for steam cracking of hydrocarbon feedstockINDIAN OIL CORP LTD·Filed 2024·Application pending·0 cites
- 1662US2024216903A1Process for in-situ regeneration of spent ion exchange resin catalystINDIAN OIL CORP LTD·Filed 2023·Application pending·0 cites
- 1758US11661556B2Pre-treatment process for conversion of residual oils in a Delayed Coker UnitINDIAN OIL CORP LTD·Filed 2022·Granted May 30, 2023·0 cites·12 claims
- 1858US11149207B2Delayed coking furnace for heating coker feedstockINDIAN OIL CORP LTD·Filed 2020·Granted Oct 19, 2021·0 cites·9 claims
- 1957US9433912B2Process for simultaneous cracking of lighter and heavier hydrocarbon feed and system for the sameSUBRAMANI SARAVANAN·Filed 2011·Granted Sep 6, 2016·1 cites·17 claims
- 2056US10501692B2Delayed coker drum and method of operating thereofINDIAN OIL CORP LTD·Filed 2017·Granted Dec 10, 2019·0 cites·5 claims
- 2155US11788013B2Process for production of needle cokeINDIAN OIL CORP LTD·Filed 2021·Granted Oct 17, 2023·0 cites·8 claims
- 2255US11643607B2Process for production of graphite coke from an admixture of coal and petroleum based hydrocarbonsINDIAN OIL CORP LTD·Filed 2021·Granted May 9, 2023·0 cites·12 claims
- 2355US11345862B2Apparatus and a method for washing of hydrocarbon product vaporINDIAN OIL CORP LTD·Filed 2020·Granted May 31, 2022·0 cites·7 claims
- 2455US2023101524A1Method for producing anode grade coke from crude oilsINDIAN OIL CORP LTD·Filed 2022·Application pending·0 cites
- 2555US2025257272A1Process for synergistic co-conversion of used oils to value added productsINDIAN OIL CORP LTD·Filed 2025·Application pending·0 cites
- 2654US10934494B2Process for production of anisotropic cokeINDIAN OIL CORP LTD·Filed 2020·Granted Mar 2, 2021·0 cites·15 claims
- 2753US11345866B2Process for production of MARPOL compliant bunker fuel from petroleum residuesINDIAN OIL CORP LTD·Filed 2021·Granted May 31, 2022·0 cites·19 claims
- 2853US11168260B2Process for production of superior quality cokeINDIAN OIL CORP LTD·Filed 2019·Granted Nov 9, 2021·0 cites·10 claims
- 2952US10941346B2Process for conversion of fuel grade coke to anode grade cokeINDIAN OIL CORP LTD·Filed 2020·Granted Mar 9, 2021·0 cites·15 claims
- 3051US9868903B2Liquid phase additive for use in thermal cracking process to improve product yieldsINDIAN OIL CORP LTD·Filed 2015·Granted Jan 16, 2018·0 cites·17 claims
- 3151US2016333280A1Process for simultaneous cracking of lighter and heavier hydrocarbon feed and system for the sameINDIAN OIL CORP LTD·Filed 2016·Application pending·0 cites
- 3250US10865349B2Two stage thermal cracking process with multistage separation systemINDIAN OIL CORP LTD·Filed 2018·Granted Dec 15, 2020·0 cites·19 claims
- 3350US10676678B2Process for conversion of high acidic crude oilsINDIAN OIL CORP LTD·Filed 2018·Granted Jun 9, 2020·0 cites·16 claims
- 3450US10584290B2Process for conversion of residue employing de-asphalting and delayed cokingINDIAN OIL CORP LTD·Filed 2018·Granted Mar 10, 2020·0 cites·15 claims
- 3547US2025236798A1Process and system for enhancing petrochemical feedstockINDIAN OIL CORP LTD·Filed 2025·Application pending·0 cites
- 3645US10808177B2Delayed coking process with pre-cracking reactorINDIAN OIL CORP LTD·Filed 2018·Granted Oct 20, 2020·0 cites·2 claims
- 3745US2015129460A1Thermal cracking additive compositions for reduction of coke yield in delayed coking processINDIAN OIL CORP LTD·Filed 2014·Application pending·0 cites
- 3833US8840846B2Method and apparatus for catalytic crackingBHATTACHARYYA DEBASIS·Filed 2011·Granted Sep 23, 2014·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →