Assignee
ADVANCED EXTRACTION TECHNOL
US·23 granted patents·1,024 citations·filing 1985–2005
Top patents by PatentIndex Score
23 records- 0197US5462583AAbsorption process without external solventADVANCED EXTRACTION TECHNOL·Filed 1994·Granted Oct 31, 1995·128 cites·14 claims
- 0296US5224350AProcess for recovering helium from a gas streamADVANCED EXTRACTION TECHNOL·Filed 1992·Granted Jul 6, 1993·111 cites·16 claims
- 0395US4743282ASelective processing of gases containing olefins by the mehra processADVANCED EXTRACTION TECHNOL·Filed 1986·Granted May 10, 1988·63 cites·57 claims
- 0492US4832718AProcessing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solventsADVANCED EXTRACTION TECHNOL·Filed 1987·Granted May 23, 1989·57 cites·20 claims
- 0588US4692179AProcess for using alkyl substituted C8-C10 aromatic hydrocarbons as preferential physical solvents for selective processing of hydrocarbon gas streamsADVANCED EXTRACTION TECHNOL·Filed 1985·Granted Sep 8, 1987·26 cites·27 claims
- 0687US5220097AFront-end hydrogenation and absorption process for ethylene recoveryADVANCED EXTRACTION TECHNOL·Filed 1992·Granted Jun 15, 1993·71 cites·20 claims
- 0786US5687584AAbsorption process with solvent pre-saturationADVANCED EXTRACTION TECHNOL·Filed 1996·Granted Nov 18, 1997·52 cites·10 claims
- 0885US5681908AAbsorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processesADVANCED EXTRACTION TECHNOL·Filed 1996·Granted Oct 28, 1997·61 cites·30 claims
- 0984US7563307B2Combined use of external and internal solvents in processing gases containing light, medium and heavy componentsADVANCED EXTRACTION TECHNOL·Filed 2005·Granted Jul 21, 2009·8 cites·32 claims
- 1084US5521264AGas phase olefin polymerization process with recovery of monomers from reactor vent gas by absorptionADVANCED EXTRACTION TECHNOL·Filed 1995·Granted May 28, 1996·80 cites·25 claims
- 1182US5546764AAbsorption process for recovering ethylene and hydrogen from refinery and petrochemical plant off-gasesADVANCED EXTRACTION TECHNOL·Filed 1995·Granted Aug 20, 1996·51 cites·21 claims
- 1281US5551972AAbsorption process without external solventADVANCED EXTRACTION TECHNOL·Filed 1995·Granted Sep 3, 1996·42 cites·14 claims
- 1379US7337631B2Use of cryogenic temperatures in processing gases containing light components with physical solventsADVANCED EXTRACTION TECHNOL·Filed 2005·Granted Mar 4, 2008·5 cites·35 claims
- 1479US4680042AExtractive stripping of inert-rich hydrocarbon gases with a preferential physical solventADVANCED EXTRACTION TECHNOL·Filed 1986·Granted Jul 14, 1987·26 cites·37 claims
- 1577US4696688AConversion of lean oil absorption process to extraction process for conditioning natural gasADVANCED EXTRACTION TECHNOL·Filed 1986·Granted Sep 29, 1987·33 cites·47 claims
- 1676US7442847B2Removing diamondoid components from natural gas at reduced temperaturesADVANCED EXTRACTION TECHNOL·Filed 2005·Granted Oct 28, 2008·3 cites·19 claims
- 1776US4740222ARecovery and purification of hydrogen from refinery and petrochemical off-gas streamsADVANCED EXTRACTION TECHNOL·Filed 1987·Granted Apr 26, 1988·44 cites·10 claims
- 1874US6698237B2Use of stripping gas in flash regeneration solvent absorption systemsADVANCED EXTRACTION TECHNOL·Filed 2002·Granted Mar 2, 2004·17 cites·23 claims
- 1974US4695672AProcess for extractive-stripping of lean hydrocarbon gas streams at high pressure with a preferential physical solventADVANCED EXTRACTION TECHNOL·Filed 1986·Granted Sep 22, 1987·50 cites·18 claims
- 2073US5326929AAbsorption process for hydrogen and ethylene recoveryADVANCED EXTRACTION TECHNOL·Filed 1992·Granted Jul 5, 1994·35 cites·20 claims
- 2170US4883515AProcessing hydrocarbon gases with selected physical solventsADVANCED EXTRACTION TECHNOL·Filed 1987·Granted Nov 28, 1989·21 cites·5 claims
- 2263US5561988ARetrofit unit for upgrading natural gas refrigeraition plantsADVANCED EXTRACTION TECHNOL·Filed 1995·Granted Oct 8, 1996·25 cites·34 claims
- 2356US4883514AProcessing nitrogen-rich gases with physical solventsADVANCED EXTRACTION TECHNOL·Filed 1987·Granted Nov 28, 1989·15 cites·5 claims
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