N.E. CHEMCAT CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3871
 
  
 
B01D SEPARATION 26108
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 1063
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 10144
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF574
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 534
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3135
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 151
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 120

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0001,305 ELECTRODE CATALYST, GAS DIFFUSION ELECTRODE-FORMING COMPOSITION, GAS DIFFUSION ELECTRODE, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL STACKSep 07, 16Jan 04, 18[H01M, G01N, B01J, C01G]
2016/0214,095 OXIDATION CATALYST FOR EXHAUST GAS PURIFICATION, CATALYST STRUCTURE FOR EXHAUST GAS PURIFICATION, AND METHOD FOR PURIFYING EXHAUST GAS USING CATALYST STRUCTUREAug 22, 14Jul 28, 16[B01J, B01D]
2016/0051,931 UREA HYDROLYSIS CATALYST, SELECTIVE REDUCTION CATALYST CONTAINING UREA HYDROLYSIS MATERIAL, AND EXHAUST GAS CLEANING APPARATUSAug 21, 15Feb 25, 16[B01J, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9893365 Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion elelctrode, membrane-electrode assembly, and fuel cell stackAug 27, 15Feb 13, 18[H01M, B01J]
9707544 Silver-cerium oxide composite catalyst supported on an alkaline carrier and method for producing the sameApr 22, 16Jul 18, 17[C07C, B01J]
9539544 Exhaust gas purifierAug 31, 16Jan 10, 17[F01N, B01J, B01D]
9523302 Off gas purification deviceJan 11, 12Dec 20, 16[F01N, B01J, B01D]
9525180 Production method of electrode catalyst, electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane-electrode assembly (MEA), and fuel cell stackMar 27, 15Dec 20, 16[H01M, B01J]
9496561 Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane-electrode assembly, and fuel cell stackMar 27, 15Nov 15, 16[H01M, B01J]
9486792 Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems, and methodsDec 08, 14Nov 08, 16[B01J, B01D]
9480948 Exhaust gas purifierApr 09, 13Nov 01, 16[F01N, B01J, B01D]
9437876 Production method of electrode catalyst, electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane-electrode assembly (MEA), and fuel cell stackMar 27, 15Sep 06, 16[H01M, B01J]
9339793 Catalyst composition for exhaust gas cleaning and catalyst for automobile exhaust gas cleaningJan 08, 13May 17, 16[F01N, B01J, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9461313 Electrode catalyst, composition for forming gas diffusion electrode, gas diffusion electrode, membrane-electrode assembly, and fuel cell stackWithdrawnMar 27, 15Oct 04, 16[H01M, B01J]
2016/0233,517 ELECTRODE CATALYST, COMPOSITION FOR FORMING GAS DIFFUSION ELECTRODE, GAS DIFFUSION ELECTRODE, MEMBRANE-ELECTRODE ASSEMBLY, AND FUEL CELL STACKAbandonedMar 27, 15Aug 11, 16[H01M]
2014/0329,669 ALUMINA MATERIAL CONTAINING BARIUM SULFATE AND EXHAUST GAS PURIFYING CATALYST USING SAMEAbandonedDec 05, 12Nov 06, 14[B01J, B01D]
2013/0177,839 REDUCTION CATALYST COMPRISING PALLADIUM-GOLD ALLOYAbandonedOct 26, 11Jul 11, 13[H01M, B01J]
2013/0095,013 EXHAUST GAS PURIFICATION CATALYST APPARATUS USING SELECTIVE REDUCTION CATALYST, EXHAUST GAS PURIFICATION METHOD, AND DIESEL AUTOMOBILE MOUNTED WITH EXHAUST GAS PURIFICATION CATALYST APPARATUSAbandonedMay 09, 11Apr 18, 13[B01D]
2012/0328,499 EXHAUST GAS PURIFICATION CATALYST APPARATUS USING SELECTIVE REDUCTION-TYPE CATALYST AND EXHAUST GAS PURIFICATION METHODAbandonedMay 17, 11Dec 27, 12[B01D]
2011/0274,603 EXHAUST GAS PURIFICATION CATALYST, EXHAUST GAS PURIFICATION APPARATUS USING THE SAME AND EXHAUST GAS PURIFICATION METHODAbandonedJan 26, 10Nov 10, 11[B01J, B01D]
2011/0047,975 HONEYCOMB STRUCTURE-TYPE CATALYST FOR PURIFYING EXHAUST GAS EXHAUSTED FROM AUTOMOBILE, METHOD FOR PRODUCING THE SAME AND METHOD FOR PURIFYING EXHAUST GAS USING THE SAME CATALYSTAbandonedApr 22, 09Mar 03, 11[F01N, B21D]
2010/0143,223 Denitrification Catalyst, Honeycomb Structure Type Denitrification Catalyst, and Method of Denitrification with the SameAbandonedNov 28, 06Jun 10, 10[B01J, B01D]
2009/0269,265 Exhaust gas purification method using selective reduction catalystAbandonedApr 23, 09Oct 29, 09[B01D]
2009/0075,815 Fine Tetrahedral Palladium Particle and Process for Producing Fine Metallic ParticleAbandonedMar 09, 07Mar 19, 09[B01J, B01F, B32B, C22C]
2008/0271,441 Exhaust gas purification catalyst for automobile, exhaust gas purification catalyst system and purifying process of exhaust gasAbandonedApr 25, 08Nov 06, 08[F01N, B01J, B01D]
2008/0064,587 Oxidation Catalyst for Exhaust Gas Purification, Catalyst Structure for Exhaust Gas Purification and Method for Purifying Exhaust GasAbandonedSep 14, 05Mar 13, 08[B01J, B01D]
2006/0223,697 Catalyst for removal of carbon monoxideAbandonedMar 28, 06Oct 05, 06[C07C, B01J]
2005/0234,262 Production process for catalystAbandonedApr 13, 05Oct 20, 05[B01J]
2005/0191,224 Catalyst for removal of carbon monoxide from hydrogen gasAbandonedFeb 28, 05Sep 01, 05[B01D]
6677068 CATALYST FOR SELECTIVE OXIDATION OF CARBON MONOXIDE PRESENT IN HYDROGEN-CONTAINING GASES, AND ELIMINATION OF CARBON MONOXIDE AND SOLID POLYMER ELECTROLYTE FUEL CELL SYSTEM WHICH MAKE USE OF THE CATALYSTExpiredMay 02, 03Jan 13, 04[H01M]
6624112 Hydrogenolysis catalystExpiredFeb 07, 02Sep 23, 03[B01J]
6576208 Catalyst for selective oxidation and elimination of carbon monoxide present in hydrogen-containing gasesExpiredNov 03, 00Jun 10, 03[B01J]
5997830 Method of purifying exhaust gas from internal combustion engineExpiredJun 13, 97Dec 07, 99[B01D]

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