Inventor · disambiguated record
Birbal Chawla
Also filed as: CHAWLA BIRBAL
5 granted patents·4 pending applications·92 citations·filing 1993–2020
76Inventor score
Files withEXXONMOBIL RES & ENG CO5CHAWLA BIRBAL2EXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY1MOBIL OIL CORP1
Top patents by PatentIndex Score
9 records- 0189US8114678B2Multi-dimensional high performance liquid chromatographic separation technique (STAR7) for quantitative determinations of 7 fractions in heavy petroleum streams boiling above 550 degrees FCHAWLA BIRBAL·Filed 2010·Granted Feb 14, 2012·22 cites·9 claims
- 0289US5411658AGasoline upgrading processMOBIL OIL CORP·Filed 1993·Granted May 2, 1995·69 cites·25 claims
- 0364US2020115638A1Systems and methods for separating classes of paraffinic compoundsEXXONMOBIL RES & ENG CO·Filed 2019·Application pending·0 cites
- 0461US10570343B2Systems and methods for separating classes of paraffinic compoundsEXXONMOBIL RES & ENG CO·Filed 2017·Granted Feb 25, 2020·0 cites·10 claims
- 0561US8887557B2Fractionation of de-asphalted oil of vacuum resid using preparative high performance liquid chromatographic separationsCHAWLA BIRBAL·Filed 2011·Granted Nov 18, 2014·1 cites·11 claims
- 0651US11598758B2Determination of asphaltene solubility distributionEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2020·Granted Mar 7, 2023·0 cites·20 claims
- 0741US2014166542A1Preparatory high performance liquid chromatographic (hplc) separation system and technique for quantitative fractionation of total vacuum residEXXONMOBIL RES & ENG CO·Filed 2012·Application pending·0 cites
- 0841US2014131257A1Preparatory high performance liquid chromatographic (hplc) separation technique for quantitative fractionation of heavy petroleum streamsEXXONMOBIL RES & ENG CO·Filed 2012·Application pending·0 cites
- 0940US2018080915A1Methods for quantifying olefins in hydrocarbonsEXXONMOBIL RES & ENG CO·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →