Inventor · disambiguated record
Veera Venkata Ramakrishna Tammana
Also filed as: TAMMANA VEERA VENKATA R · TAMMANA VEERA VENKATA RAMAKRISHNA
21 granted patents·2 pending applications·68 citations·filing 2011–2024
93Inventor score
Top patents by PatentIndex Score
23 records- 0197US10835894B1Methods for producing mesoporous zeolite multifunctional catalysts for upgrading pyrolysis oilSAUDI ARABIAN OIL CO·Filed 2020·Granted Nov 17, 2020·7 cites·5 claims
- 0297US10751709B1Methods for producing mesoporous zeolite multifunctional catalysts for upgrading pyrolysis oilSAUDI ARABIAN OIL CO·Filed 2020·Granted Aug 25, 2020·11 cites·12 claims
- 0396US11857955B1Processes of producing catalystsSAUDI ARABIAN OIL CO·Filed 2022·Granted Jan 2, 2024·2 cites·17 claims
- 0496US11759766B1Reducing sulfur emissions of sulfur recovery plant by a sorption based SO2 selective crosslinked polyionic liquid systemSAUDI ARABIAN OIL CO·Filed 2022·Granted Sep 19, 2023·3 cites·20 claims
- 0596US11123725B2Methods for producing mesoporous zeolite multifunctional catalysts for upgrading pyrolysis oilSAUDI ARABIAN OIL CO·Filed 2020·Granted Sep 21, 2021·5 cites·11 claims
- 0696US9593015B2Sulfur recovery process for treating low to medium mole percent hydrogen sulfide gas feeds with BTEX in a Claus unitSAUDI ARABIAN OIL CO·Filed 2015·Granted Mar 14, 2017·13 cites·19 claims
- 0795US11820948B1Impregnated hierarchical mesoporous ZSM-5 zeolite catalysts for steam enhanced catalytic cracking of crude oil to petrochemicalsSAUDI ARABIAN OIL CO·Filed 2022·Granted Nov 21, 2023·3 cites·20 claims
- 0895US10953396B2Methods for producing mesoporous zeolite multifunctional catalysts for upgrading pyrolysis oilSAUDI ARABIAN OIL CO·Filed 2019·Granted Mar 23, 2021·7 cites·17 claims
- 0987US9981848B2Sulfur recovery process for treating low to medium mole percent hydrogen sulfide gas feeds with BTEX in a claus unitSAUDI ARABIAN OIL CO·Filed 2017·Granted May 29, 2018·3 cites·30 claims
- 1084US10981160B1Composite hierarchical zeolite catalyst for heavy reformate conversion to xylenesSAUDI ARABIAN OIL CO·Filed 2019·Granted Apr 20, 2021·3 cites·13 claims
- 1183US10927059B2Catalyst for converting heavy reformate to produce BTX compoundsSAUDI ARABIAN OIL CO·Filed 2019·Granted Feb 23, 2021·2 cites·13 claims
- 1282US9448221B2Method, solvent formulation and apparatus for the measurement of the salt content in petroleum fluidsDUVAL SEBASTIEN A·Filed 2011·Granted Sep 20, 2016·7 cites·25 claims
- 1381US10293301B2Modified siloxane composite membranes for heavy hydrocarbon recoverySAUDI ARABIAN OIL CO·Filed 2017·Granted May 21, 2019·2 cites·43 claims
- 1472US12098121B2Methods for producing xylenes with limited ethylbenzene productionSAUDI ARABIAN OIL CO·Filed 2023·Granted Sep 24, 2024·0 cites·12 claims
- 1572US11453624B2Methods and systems for producing para-xylene from C8-containing compositionsSAUDI ARABIAN OIL CO·Filed 2020·Granted Sep 27, 2022·0 cites·17 claims
- 1671US11111192B2Methods and systems for producing para-xylene from C8-containing compositionsSAUDI ARABIAN OIL CO·Filed 2020·Granted Sep 7, 2021·0 cites·13 claims
- 1771US10843983B2Methods and systems for producing para-xylene from C8-containing compositionsSAUDI ARABIAN OIL CO·Filed 2019·Granted Nov 24, 2020·0 cites·5 claims
- 1869US2024351010A1Methods of converting toluene to benzene and xylene using mesoporous mordeniteSAUDI ARABIAN OIL CO·Filed 2024·Application pending·0 cites
- 1968US11896963B1Mesoporous ZSM-5 for steam enhanced catalytic cracking of crude oilSAUDI ARABIAN OIL CO·Filed 2022·Granted Feb 13, 2024·0 cites·20 claims
- 2066US2024124317A1Processes of producing mesoporous beta zeolitesSAUDI ARABIAN OIL CO·Filed 2022·Application pending·0 cites
- 2159US9902677B2Liquid phase oxidation of aromatic feedstocks with manganate recycling to produce carboxylic acidsSAUDI ARABIAN OIL CO·Filed 2016·Granted Feb 27, 2018·0 cites·8 claims
- 2259US9388110B2Liquid phase oxidation of aromatic feedstocks with manganate recycling to produce carboxylic acidsSAUDI ARABIAN OIL CO·Filed 2013·Granted Jul 12, 2016·0 cites·20 claims
- 2342US11097262B2Composite hierarchical zeolite catalyst for heavy reformate conversion to xylenesSAUDI ARABIAN OIL CO·Filed 2018·Granted Aug 24, 2021·0 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →