Inventor · disambiguated record
Vijai P. Gupta
Also filed as: GUPTA VIJAI P · GUPTA VIJAI PRAKASH
24 granted patents·1 pending application·310 citations·filing 1976–2015
96Inventor score
Files withARCO CHEM TECH13ATLANTIC RICHFIELD CO4LYONDELL CHEMICAL TECH LP2ARCO CHEM CO1GUPTA VIJAI P1
Top patents by PatentIndex Score
25 records- 0195US5731476APoly ether preparationARCO CHEM TECH·Filed 1995·Granted Mar 24, 1998·75 cites·6 claims
- 0288US5625109ALiquid phase dehydration of tertiary butyl alcoholFiled 1994·Granted Apr 29, 1997·30 cites·3 claims
- 0387US7138528B2Method for crystallizing N-vinyl-2-pyrrolidoneLYONDELL CHEMICAL TECH LP·Filed 2005·Granted Nov 21, 2006·6 cites·11 claims
- 0486US5476971AGlycerine ditertiary butyl ether preparationARCO CHEM TECH·Filed 1995·Granted Dec 19, 1995·30 cites·5 claims
- 0585US6264800B1Purification processARCO CHEM TECH·Filed 2000·Granted Jul 24, 2001·15 cites·3 claims
- 0685US4544453AStripping of unreacted glycol ethers and acids from an esterification reaction mixtureATLANTIC RICHFIELD CO·Filed 1984·Granted Oct 1, 1985·20 cites·11 claims
- 0779US5292964APreparation of alkyl tertiary butyl etherARCO CHEM TECH·Filed 1992·Granted Mar 8, 1994·17 cites·5 claims
- 0873US6478930B2Impurities separation by distillationARCO CHEM TECH·Filed 2001·Granted Nov 12, 2002·5 cites·2 claims
- 0971US5066742AManufacture of C2-C8 olefin/maleic anhydride copolymersARCO CHEM TECH·Filed 1990·Granted Nov 19, 1991·21 cites·15 claims
- 1070US5567853APurification of acetoneARCO CHEM TECH·Filed 1995·Granted Oct 22, 1996·11 cites·7 claims
- 1162US7060787B2Extraction of impurities from grafted polyolefinsLYONDELL CHEMICAL TECH LP·Filed 2004·Granted Jun 13, 2006·5 cites·20 claims
- 1255US5762764APurification of acetoneARCO CHEM TECH·Filed 1996·Granted Jun 9, 1998·5 cites·4 claims
- 1355US4626965AIllumination system for a visual display terminalGUPTA VIJAI P·Filed 1985·Granted Dec 2, 1986·23 cites·5 claims
- 1454US5631386AAlkylene carbonate recoveryARCO CHEM TECH·Filed 1996·Granted May 20, 1997·5 cites·4 claims
- 1553US6166270AExtractive distillation separationARCO CHEM TECH·Filed 1999·Granted Dec 26, 2000·5 cites·5 claims
- 1652US4433173AAcetophenone purificationATLANTIC RICHFIELD CO·Filed 1982·Granted Feb 21, 1984·4 cites·9 claims
- 1749US2015353261A1Two-step processing method for preparing starch based food productsGUPTA VIJAI PRAKASH·Filed 2015·Application pending·0 cites
- 1847US4321231AProcess for decreasing the rate of titanium corrosionATLANTIC RICHFIELD CO·Filed 1979·Granted Mar 23, 1982·4 cites·8 claims
- 1944US4801760ATertiary butyl alcohol purificationARCO CHEM CO·Filed 1988·Granted Jan 31, 1989·2 cites·5 claims
- 2043US6306263B1Impurities separation by distillationARCO CHEM TECH·Filed 1999·Granted Oct 23, 2001·4 cites·3 claims
- 2142US4675082ARecovery of propylene glycol mono t-butoxy etherATLANTIC RICHFIELD CO·Filed 1986·Granted Jun 23, 1987·8 cites·12 claims
- 2241US5769238AApparatus for cleaning and destoning beans, peas, and other foods of particulate formFiled 1995·Granted Jun 23, 1998·10 cites·14 claims
- 2340US4073876APreparation of glycol estersHALCON INTERNATIONAL INC·Filed 1976·Granted Feb 14, 1978·4 cites·3 claims
- 2439US6375804B1Tertiary butyl acetate recoveryARCO CHEM TECH·Filed 2001·Granted Apr 23, 2002·0 cites·3 claims
- 2538US5436382AIsobutylene recovery processARCO CHEM TECH·Filed 1994·Granted Jul 25, 1995·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →