LURGI AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 7131
 
  
 
B01D SEPARATION 2132
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 227
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 122
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8785708 olefins from a feed stream comprising oxygenates and steamFeb 28, 06Jul 22, 14[C07C]
8465563 and CODec 01, 05Jun 18, 13[B01J]
8058428 Method for producing melamineFeb 27, 06Nov 15, 11[C07D]
7977479 Method for producing melamine with heat recoveryMar 06, 06Jul 12, 11[C07D]
7923591 Method and device for producing lower olefins from oxygenatesOct 27, 05Apr 12, 11[C07C]
7776308 SMar 18, 06Aug 17, 10[C01B, B01D]
7461521 System unit for desorbing carbon dioxide from methanolApr 19, 03Dec 09, 08[F25J]
7425663 Method for production propylene from a flow containing C.sub.4 to C.sub.8 olefinsJun 05, 03Sep 16, 08[C07C]
7322317 Heat-recovery boilerFeb 07, 04Jan 29, 08[F22B]
7269972 Plant and method for fractionating and purifying synthesis gasMar 22, 03Sep 18, 07[F25J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7674932 Method for the production of urea from natural gasExpiredAug 18, 05Mar 09, 10[C07C]
7655825 Method for the production of synthetic fuels from oxygenatesExpiredDec 01, 05Feb 02, 10[C10G]
7521483 Coproduction of methanol and ammonia from natural gasExpiredFeb 10, 05Apr 21, 09[C07C]
7311837 Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrateExpiredFeb 26, 04Dec 25, 07[B01D]
2007/0252,106 Intermediate Product Comprised of a Mixture of Organic Carbonates and Carbamates and a Method for Its ManufactureAbandonedJul 16, 04Nov 01, 07[C08G, C07D, C07C]
2007/0134,148 PROCESS AND APPARATUS FOR THE SELECTIVE REMOVAL OF SULFUR-CONTAINING COMPONENTS FROM FEED GAS STREAMS OBTAINED PERIODICALLYAbandonedNov 27, 06Jun 14, 07[B01J, B01D]
2006/0096,159 Method for improving the long term stability of biodieselAbandonedSep 23, 03May 11, 06[C10L, C07C]
6884324 Column for concentrating phthalic anhydrideExpiredJan 21, 03Apr 26, 05[C07D, B01D]
2005/0085,375 Method for thermally decoking a zeolite catalystAbandonedDec 28, 04Apr 21, 05[B01D]
2003/0095,920 Process of producing synthesis gasAbandonedOct 29, 02May 22, 03[C01B]
6436183 Zinc sulphide pigmentExpiredJul 06, 99Aug 20, 02[C09D]

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