Inventor · disambiguated record
Chakka Sudhakar
Also filed as: SUDHAKAR CHAKKA
25 granted patents·1 pending application·1,173 citations·filing 1992–2002
97Inventor score
Top patents by PatentIndex Score
26 records- 0196US6547957B1Process for upgrading a hydrocarbon oilTEXACO INC·Filed 2000·Granted Apr 15, 2003·242 cites·24 claims
- 0294US5928501AProcess for upgrading a hydrocarbon oilTEXACO INC·Filed 1998·Granted Jul 27, 1999·146 cites·23 claims
- 0394US5529968AHydrodearomatization of hydrocarbon oils using novel "phophorus treated carbon" supported metal sulfide catalystsTEXACO INC·Filed 1995·Granted Jun 25, 1996·105 cites·4 claims
- 0489US5538929APhosphorus-treated activated carbon compositionWESTVACO CORP·Filed 1994·Granted Jul 23, 1996·74 cites·5 claims
- 0587US5525211ASelective hydrodesulfurization of naphtha using selectively poisoned hydroprocessing catalystTEXACO INC·Filed 1994·Granted Jun 11, 1996·76 cites·22 claims
- 0686US5817229ACatalytic hydrocarbon upgrading process requiring no external hydrogen supplyTEXACO INC·Filed 1996·Granted Oct 6, 1998·64 cites·12 claims
- 0784US5624547AProcess for pretreatment of hydrocarbon oil prior to hydrocracking and fluid catalytic crackingTEXACO INC·Filed 1995·Granted Apr 29, 1997·74 cites·76 claims
- 0876US5851382ASelective hydrodesulfurization of cracked naphtha using hydrotalcite-supported catalystsTEXACO INC·Filed 1995·Granted Dec 22, 1998·45 cites·11 claims
- 0976US5846406ASelective hydrodesulfurization of cracked naphtha using novel manganese oxide octahedral molecular sieve supported catalystsTEXACO INC·Filed 1996·Granted Dec 8, 1998·42 cites·17 claims
- 1073US5770046ASelective hydrodesulfurization of cracked naphtha using novel catalystsTEXACO INC·Filed 1995·Granted Jun 23, 1998·38 cites·19 claims
- 1172US5286373ASelective hydrodesulfurization of naphtha using deactivated hydrotreating catalystTEXACO INC·Filed 1992·Granted Feb 15, 1994·29 cites·6 claims
- 1269US5837640ACarbon-supported hydrodearomatization catalystTEXACO INC·Filed 1996·Granted Nov 17, 1998·32 cites·7 claims
- 1368US6162351AHydrodenitrogenation of hydrocarbons utilizing a carbon-supported catalystTEXACO INC·Filed 1994·Granted Dec 19, 2000·26 cites·5 claims
- 1466US5676822AProcess for hydrodearomatization of hydrocarbon oils using carbon supported metal sulfide catalysts promoted by zincTEXACO INC·Filed 1995·Granted Oct 14, 1997·28 cites·21 claims
- 1564US5435907AHydrodearomatization of middle distillate hydrocarbonsTEXACO INC·Filed 1994·Granted Jul 25, 1995·21 cites·10 claims
- 1663US5423975ASelective hydrodesulfurization of naphtha using spent resid catalystTEXACO INC·Filed 1992·Granted Jun 13, 1995·20 cites·9 claims
- 1762US5462651AHydrodearomatization of hydrocarbon oils using novel "phosphorus treated carbon" supported metal sulfide catalystsTEXACO INC·Filed 1994·Granted Oct 31, 1995·19 cites·20 claims
- 1860US5538930AHydrotreating of cracked naphthaTEXACO INC·Filed 1995·Granted Jul 23, 1996·20 cites·4 claims
- 1960US5449452AHydrodearomatization of hydrocarbonsFiled 1993·Granted Sep 12, 1995·16 cites·17 claims
- 2058US5472595AProcess for hydrodearomatization of hydrocarbon oils using carbon supported metal sulfide catalysts promoted by phosphateTEXACO INC·Filed 1994·Granted Dec 5, 1995·18 cites·19 claims
- 2149US5651878AHydrodearomatization of HydrocarbonsTEXACO INC·Filed 1996·Granted Jul 29, 1997·11 cites·9 claims
- 2245US5556824AHydrodearomatization of hydrocarbonsTEXACO INC·Filed 1995·Granted Sep 17, 1996·8 cites·4 claims
- 2342US5389241AMethod for selective hydrodenitrogenation of raw oilsTEXACO INC·Filed 1993·Granted Feb 14, 1995·6 cites·7 claims
- 2441US5500401AMethod for selective hydrodenitrogenation of raw oilsTEXACO INC·Filed 1994·Granted Mar 19, 1996·6 cites·3 claims
- 2541US5423976AHydrotreating of cracked naphthaTEXACO INC·Filed 1994·Granted Jun 13, 1995·7 cites·8 claims
- 2636US2003094400A1Hydrodesulfurization of oxidized sulfur compounds in liquid hydrocarbonsFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →