Membrane Technology and Research, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 11539
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 21117
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 752
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 524
 
  
 
F23J REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 413
 
  
 
F23L AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS 413
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 339
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 325
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0065,091 Plate-and-Frame Fluid Separation Module and Assembly, and Process for Using the SameAug 17, 17Mar 08, 18[B01D]
2017/0368,498 FLUID SEPARATION PROCESS USING MEMBRANES BASED ON PERFLUORINATED POLYMERSSep 06, 17Dec 28, 17[B01D]
2017/0183,996 Gas Separation Process Using Membranes with Permeate Sweep to Remove CO2 from Combustion ExhaustMar 01, 17Jun 29, 17[F01N, B01D]
2016/0256,835 GAS SEPARATION MEMBRANES BASED ON PERFLUORINATED POLYMERSMay 18, 16Sep 08, 16[B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9856769 from combustion exhaustMar 01, 17Jan 02, 18[F01N, B01D]
9782718 capture processesNov 16, 16Oct 10, 17[H02K, F25J, F02C, B01D]
9783467 Process for recovering olefins from manufacturing operationsNov 02, 16Oct 10, 17[F25J, C07C, B01D]
9643124 Gas separation membranes based on fluorinated and perfluorinated polymersOct 23, 15May 09, 17[B01D]
9636632 Gas separation membranes based on fluorinated and perfluorinated polymersApr 28, 16May 02, 17[B01D]
9579605 Gas separation module and assemblyMar 31, 16Feb 28, 17[B01D]
9546785 Sweep-based membrane separation process for removing carbon dioxide from exhaust gases generated by multiple combustion sourcesJun 13, 16Jan 17, 17[F23J, F23L, B01D]
9517981 Membrane-based gas separation processes to separate dehydrogenation reaction productsDec 06, 13Dec 13, 16[C07C, B01D]
9457313 Membrane technology for use in a power generation processJul 13, 12Oct 04, 16[F02C, F23C, B01D]
9433887 Membrane loop process for separating carbon dioxide for use in gaseous form from flue gasSep 04, 14Sep 06, 16[F23J, F23L, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0203,251 Gas Separation Membranes Based on Fluorinated and Perfluorinated PolymersAbandonedMar 30, 17Jul 20, 17[C01B, C07C, B01D]
2017/0088,419 Membrane-Based Gas Separation Processes to Produce Synthesis Gas With a High CO ContentAbandonedDec 07, 16Mar 30, 17[C01B, C10G, B01D]
2016/0075,619 Process for Recovering Olefins from Manufacturing OperationsAbandonedNov 11, 15Mar 17, 16[C07C, B01D]
2015/0174,524 Membrane-Based Gas Separation Process Using Ejector-Driven Gas RecycleAbandonedMar 05, 15Jun 25, 15[B01D]
2015/0129,413 Two-Step Membrane Gas Separation ProcessAbandonedNov 08, 13May 14, 15[B01D]
2014/0264,176 Membrane-Based Gas Separation Processes to Produce Synthesis Gas With a High CO ContentAbandonedMar 14, 13Sep 18, 14[C01B]
2014/0141,139 Membrane Separation Process for Controlling Gas Concentrations Within Produce Shipping or Storage ContainersAbandonedMar 13, 13May 22, 14[A23B]
2013/0263,734 LOW-ENERGY PROCESS TO PRODUCE OXYGEN-ENRICHED AIR USING MEMBRANE TECHNOLOGYAbandonedApr 04, 12Oct 10, 13[B01D]
2013/0014,643 FUEL GAS CONDITIONING PROCESS USING GLASSY POLYMER MEMBRANESAbandonedJul 13, 11Jan 17, 13[B01D]
2012/0190,091 LIQUID-PHASE AND VAPOR-PHASE DEHYDRATION OF ORGANIC / WATER SOLUTIONSAbandonedJul 26, 11Jul 26, 12[C12P, C07C, B01D]
2007/0151,447 Gas separation membranes and processes for controlled environmental managementAbandonedDec 22, 06Jul 05, 07[B01D]
7018539 Treatment of shipboard-generated oily wastewatersExpiredOct 24, 02Mar 28, 06[B01D]
2006/0016,750 Process for regenerating facilitated-transport membranesAbandonedJul 15, 05Jan 26, 06[B01D]
2005/0217,479 Helium recovery from gas streamsAbandonedApr 02, 04Oct 06, 05[B01D]
6846909 Zein recovery using non-porous membranesExpiredMay 14, 03Jan 25, 05[C07K]
2004/0173,529 Liquid-phase separation of low molecular weight organic compoundsAbandonedMar 07, 03Sep 09, 04[B01D]
6525236 Membrane-augmented manufacture of cumeneExpiredMay 13, 02Feb 25, 03[C07C]
6316684 Filled superglassy membraneExpiredSep 01, 99Nov 13, 01[C07C, B01D]
6271319 Membrane-augmented polypropylene manufacturingExpiredAug 30, 00Aug 07, 01[C08F]
6264828 Process, including membrane separation, for separating hydrogen from hydrocarbonsExpiredMay 21, 99Jul 24, 01[C10G]

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