Inventor · disambiguated record
Debasis Bhattacharyya
Also filed as: BHATTACHARYYA DEBASIS
53 granted patents·7 pending applications·376 citations·filing 1997–2023
97Inventor score
Top patents by PatentIndex Score
60 records- 0192US7029571B1Multi 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
- 0291US10654773B2Integrated fluid catalytic cracking and oxidative propane dehydrogenation processINDIAN OIL CORP LTD·Filed 2018·Granted May 19, 2020·4 cites·17 claims
- 0387US10900507B2Distribution of a multi-phase fluid mixtureINDIAN OIL CORP LTD·Filed 2018·Granted Jan 26, 2021·3 cites·13 claims
- 0487US10590354B2Process 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
- 0585US5846402AProcess for catalytic cracking of petroleum based feed stocksINDIAN OIL CORP LTD·Filed 1997·Granted Dec 8, 1998·83 cites·8 claims
- 0683US10131589B2Process for simultaneous production of alcohols and oligomer product from hydrocarbon feed stockINDIAN OIL CORP LTD·Filed 2015·Granted Nov 20, 2018·2 cites·11 claims
- 0782US6153089AUpgradation of undesirable olefinic liquid hydrocarbon streamsINDIAN OIL CORP LTD·Filed 1999·Granted Nov 28, 2000·60 cites·20 claims
- 0880US9783744B2Process of upgradation of residual oil feedstockINDIAN OIL CORP LTD·Filed 2016·Granted Oct 10, 2017·2 cites·10 claims
- 0979US10478840B2Apparatus and method for converting liquid stream into fine dropletsINDIAN OIL CORP LTD·Filed 2018·Granted Nov 19, 2019·3 cites·7 claims
- 1079US9434892B2Two stage fluid catalytic cracking process and apparatusPRADEEP PONOLY RAMACHANDRAN·Filed 2011·Granted Sep 6, 2016·8 cites·7 claims
- 1178US10662385B2Delayed coking process with pre-cracking reactorINDIAN OIL CORP LTD·Filed 2016·Granted May 26, 2020·2 cites·2 claims
- 1278US10273417B2Process for fluid catalytic crackingINDIAN OIL CORP LTD·Filed 2018·Granted Apr 30, 2019·1 cites·16 claims
- 1377US6656344B1Fluidized catalytic cracking processFiled 2000·Granted Dec 2, 2003·30 cites·15 claims
- 1474US10646863B2Apparatus for distribution of catalyst in fluidized catalytic cracking unitINDIAN OIL CORP LTD·Filed 2018·Granted May 12, 2020·1 cites·14 claims
- 1573US10822557B2Process for production of petrochemicals from cracked streamsINDIAN OIL CORP LTD·Filed 2019·Granted Nov 3, 2020·1 cites·2 claims
- 1671US9920266B2Method and apparatus for mixing and atomizing a hydrocarbon stream using a diluent/dispersion streamINDIAN OIL CORP LTD·Filed 2016·Granted Mar 20, 2018·1 cites·9 claims
- 1768US11891356B2Production of high yields of light olefins from heavy hydrocarbonsINDIAN OIL CORP LTD·Filed 2023·Granted Feb 6, 2024·0 cites·7 claims
- 1868US2023357683A1Anaerobic process for production of methane rich biogasINDIAN OIL CORP LTD·Filed 2023·Application pending·0 cites
- 1965US10130929B2Apparatus for fluid catalytic crackingINDIAN OIL CORP LTD·Filed 2012·Granted Nov 20, 2018·1 cites·5 claims
- 2064US10280372B2Hydrocarbon cracking catalyst and process for producing light olefinsINDIAN OIL CORP LTD·Filed 2014·Granted May 7, 2019·1 cites·8 claims
- 2164US7604731B2Process for the production of needle cokeINDIAN OIL CORP LTD·Filed 2004·Granted Oct 20, 2009·11 cites·14 claims
- 2263US6149875AFluidized catalytic cracking process and apparatusINDIAN OIL CORP LTD·Filed 1998·Granted Nov 21, 2000·28 cites·5 claims
- 2358US11149207B2Delayed coking furnace for heating coker feedstockINDIAN OIL CORP LTD·Filed 2020·Granted Oct 19, 2021·0 cites·9 claims
- 2457US9433912B2Process 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
- 2557US6027696AFluidized catalytic cracking apparatusINDIAN OIL CORP LTD·Filed 1997·Granted Feb 22, 2000·20 cites·8 claims
- 2656US10501692B2Delayed coker drum and method of operating thereofINDIAN OIL CORP LTD·Filed 2017·Granted Dec 10, 2019·0 cites·5 claims
- 2756US9573865B2Process for production of C3 olefin in a fluid catalytic cracking unitINDIAN OIL CORP LTD·Filed 2012·Granted Feb 21, 2017·1 cites·6 claims
- 2855US10584085B2Process for etherification of mixed olefinic light naphtha and simultaneous reduction of methanol in the productINDIAN OIL CORP LTD·Filed 2018·Granted Mar 10, 2020·0 cites·7 claims
- 2954US10934494B2Process for production of anisotropic cokeINDIAN OIL CORP LTD·Filed 2020·Granted Mar 2, 2021·0 cites·15 claims
- 3054US9840671B2Delayed coking processINDIAN OIL CORP LTD·Filed 2014·Granted Dec 12, 2017·0 cites·10 claims
- 3154US2014175187A1Method and hardware for supplying additives to the delayed coker drumINDIAN OIL CORP LTD·Filed 2013·Application pending·0 cites
- 3253US11168260B2Process for production of superior quality cokeINDIAN OIL CORP LTD·Filed 2019·Granted Nov 9, 2021·0 cites·10 claims
- 3353US10947172B2Highly active catalyst for dehydrogenation of alkanes and method of preparation thereofINDIAN OIL CORP LTD·Filed 2019·Granted Mar 16, 2021·0 cites·7 claims
- 3452US11000843B2Catalyst composition for conversion of alkanes to alkenes and method of preparation thereofINDIAN OIL CORP LTD·Filed 2019·Granted May 11, 2021·0 cites·13 claims
- 3552US10676675B2Method and hardware for supplying additives to the delayed coker drumINDIAN OIL CORP LTD·Filed 2016·Granted Jun 9, 2020·0 cites·15 claims
- 3652US7462275B2Process for conversion of hydrocarbons to saturated LPG and high octane gasolineINDIAN OIL CORP LTD·Filed 2004·Granted Dec 9, 2008·6 cites·19 claims
- 3751US9868903B2Liquid 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
- 3851US2021154635A1Apparatuses for dehydrogenation of alkanesINDIAN OIL CORP LTD·Filed 2020·Application pending·0 cites
- 3951US2016333280A1Process for simultaneous cracking of lighter and heavier hydrocarbon feed and system for the sameINDIAN OIL CORP LTD·Filed 2016·Application pending·0 cites
- 4050US10865349B2Two stage thermal cracking process with multistage separation systemINDIAN OIL CORP LTD·Filed 2018·Granted Dec 15, 2020·0 cites·19 claims
- 4150US10676678B2Process for conversion of high acidic crude oilsINDIAN OIL CORP LTD·Filed 2018·Granted Jun 9, 2020·0 cites·16 claims
- 4250US10584290B2Process for conversion of residue employing de-asphalting and delayed cokingINDIAN OIL CORP LTD·Filed 2018·Granted Mar 10, 2020·0 cites·15 claims
- 4349US9771526B2Multi riser resid catalytic cracking process and apparatusGADARI SAIDULU·Filed 2011·Granted Sep 26, 2017·1 cites·23 claims
- 4449US6267873B1Fluidized catalytic cracking processINDIAN OIL CORP LTD·Filed 1998·Granted Jul 31, 2001·16 cites·7 claims
- 4548US10655076B2Assorted co-staging and counter staging in hydrotreatingINDIAN OIL CORP LTD·Filed 2019·Granted May 19, 2020·0 cites·16 claims
- 4648US10578304B2Apparatus and method for progressive reduction of flue gasINDIAN OIL CORP LTD·Filed 2018·Granted Mar 3, 2020·0 cites·10 claims
- 4747US11731121B2Process for preparation of highly coordinated sulfated mixed metal oxide catalyst having high crushing strengthVIRIDIS CHEMICALS PRIVATE LTD·Filed 2021·Granted Aug 22, 2023·0 cites·9 claims
- 4846US11274257B2Process for selective production of light olefins and aromatic from cracked light naphthaINDIAN OIL CORP LTD·Filed 2019·Granted Mar 15, 2022·0 cites·7 claims
- 4945US10808177B2Delayed coking process with pre-cracking reactorINDIAN OIL CORP LTD·Filed 2018·Granted Oct 20, 2020·0 cites·2 claims
- 5045US10647930B2Reactor system and process for upgrading heavy hydrocarbonaceous materialINDIAN OIL CORP LTD·Filed 2018·Granted May 12, 2020·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →