Inventor · disambiguated record
Rangasamy Pitchai
Also filed as: PITCHAI RANGASAMY
17 granted patents·466 citations·filing 1991–2000
95Inventor score
Top patents by PatentIndex Score
17 records- 0194US6194591B1Aqueous epoxidation process using modified titanium zeoliteARCO CHEM TECH·Filed 2000·Granted Feb 27, 2001·38 cites·20 claims
- 0288US5973171APropylene oxide productionARCO CHEM TECH·Filed 1998·Granted Oct 26, 1999·48 cites·5 claims
- 0387US5319114AOlefin epoxidation using a carbon molecular sieve impregnated with a transition metalARCO CHEM TECH·Filed 1993·Granted Jun 7, 1994·35 cites·20 claims
- 0486US5208194ARecovery of group VIII transition metals from organic solutions using acidic ion-exchange resinsARCO CHEM TECH·Filed 1992·Granted May 4, 1993·37 cites·16 claims
- 0585US5625084AVapor phase oxidation of propylene to propylene oxideARCO CHEM TECH·Filed 1996·Granted Apr 29, 1997·57 cites·24 claims
- 0684US5770746AEpoxidation process using supported silver catalysts pretreated with organic chlorideARCO CHEM TECH·Filed 1997·Granted Jun 23, 1998·52 cites·20 claims
- 0784US5703254APropylene oxide process using mixed precious metal catalyst supported on alkaline earth metal carbonateARCO CHEM TECH·Filed 1996·Granted Dec 30, 1997·50 cites·20 claims
- 0883US5233093AHydroformylation process and bimetallic catalyst thereforARCO CHEM TECH·Filed 1992·Granted Aug 3, 1993·19 cites·13 claims
- 0982US5208385APreparation of tetrahydrofuran polymers having a narrow molecular weight distribution using an amorphous silica-alumina catalystARCO CHEM TECH·Filed 1992·Granted May 4, 1993·29 cites·7 claims
- 1075US5166370APreparation of tetrahydrofuran using a supported transition metalARCO CHEM TECH·Filed 1991·Granted Nov 24, 1992·15 cites·26 claims
- 1169US5686380AVapor phase oxidation of propylene to propylene oxideARCO CHEM TECH·Filed 1996·Granted Nov 11, 1997·25 cites·16 claims
- 1267US5698719AOxirane productionARCO CHEMICAL TEHNOLOGY L P·Filed 1996·Granted Dec 16, 1997·14 cites·8 claims
- 1366US6083870AAlkaline earth metal compound-supported silver catalystsARCO CHEM TECH·Filed 1998·Granted Jul 4, 2000·16 cites·12 claims
- 1462US5763630APropylene oxide process using alkaline earth metal compound-supported silver catalystsARCO CHEM TECH·Filed 1996·Granted Jun 9, 1998·14 cites·19 claims
- 1561US5874652AProcess for hydrogenating aqueous aldehyde mixturesARCO CHEM TECH·Filed 1993·Granted Feb 23, 1999·7 cites·20 claims
- 1644US5221464AProcess for catalytically reforming a hydrocarbon feed in the gasoline boiling rangeSUN CO INC R & M·Filed 1991·Granted Jun 22, 1993·9 cites·12 claims
- 1738US5276210AHydroformylation process and bimetallic catalyst thereforARCO CHEM TECH·Filed 1993·Granted Jan 4, 1994·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →