Advanced Extraction Technologies, Inc.
Patent Owner
Stats
- 8 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 28, 2008 most recent publication
Details
- 8 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 811 Total Citation Count
- May 03, 1982 Earliest Filing
- 21 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5681908 Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processesJan 25, 96Oct 28, 97[C08F]
5546764 Absorption process for recovering ethylene and hydrogen from refinery and petrochemical plant off-gasesMar 03, 95Aug 20, 96[F25J, C07C]
5521264 Gas phase olefin polymerization process with recovery of monomers from reactor vent gas by absorptionAug 03, 95May 28, 96[C08F]
5220097 Front-end hydrogenation and absorption process for ethylene recoveryFeb 19, 92Jun 15, 93[F25J, C07C]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7442847 Removing diamondoid components from natural gas at reduced temperaturesExpiredAug 23, 05Oct 28, 08[C07C]
2008/0256,977 Hydrocarbon recovery and light product purity when processing gases with physical solventsAbandonedApr 15, 08Oct 23, 08[F25J]
7337631 Use of cryogenic temperatures in processing gases containing light components with physical solventsExpiredMar 09, 05Mar 04, 08[F25J]
2004/0003,717 Use of product gas recycle in processing gases containing light components with physical solventsAbandonedJul 03, 03Jan 08, 04[B01D]
4883515 Processing hydrocarbon gases with selected physical solventsExpiredSep 29, 87Nov 28, 89[F25J]
4832718 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solventsExpiredSep 23, 87May 23, 89[F25J]
4743282 Selective processing of gases containing olefins by the mehra processExpiredApr 21, 86May 10, 88[F25J]
4740222 Recovery and purification of hydrogen from refinery and petrochemical off-gas streamsExpiredMar 11, 87Apr 26, 88[F25J]
4696688 Conversion of lean oil absorption process to extraction process for conditioning natural gasExpiredFeb 13, 86Sep 29, 87[F25J]
4695672 Process for extractive-stripping of lean hydrocarbon gas streams at high pressure with a preferential physical solventExpiredApr 21, 86Sep 22, 87[F25J]
4692179 Process for using alkyl substituted C8-C10 aromatic hydrocarbons as preferential physical solvents for selective processing of hydrocarbon gas streamsExpiredDec 13, 85Sep 08, 87[F25J]
4680042 Extractive stripping of inert-rich hydrocarbon gases with a preferential physical solventExpiredFeb 13, 86Jul 14, 87[F25J]
4623371 Utilizing the Mehra process for processing and BTU upgrading of nitrogen-rich natural gas streamsExpiredJul 26, 85Nov 18, 86[F25J]
4617038 Process for using preferential physical solvents for selective processing of hydrocarbon gas streamsExpiredOct 04, 85Oct 14, 86[F25J]
4601738 Process for freeze protection and purification of natural gas liquid product streams produced by the Mehra processExpiredJul 24, 85Jul 22, 86[F25J]
4526594 Process for flexibly rejecting selected components obtained from natural gas streamsExpiredSep 14, 83Jul 02, 85[F25J]
4511381 Process for extracting natural gas liquids from natural gas streams with physical solventsExpiredJun 24, 83Apr 16, 85[F25J]
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