UREA CASALE S.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 16122
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1297
 
  
 
C07D HETEROCYCLIC COMPOUNDS 9153
 
  
 
C01C AMMONIA; CYANOGEN; COMPOUNDS THEREOF 311
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 352
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 262
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 194
 
  
 
B01D SEPARATION 1133
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 126
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8673158 Process for cleaning wastewaters from melamine plantsJun 13, 06Mar 18, 14[C02F]
7741481 Method for producing pure melamineApr 12, 05Jun 22, 10[C07D]
7723516 Method for the treatment of triazine-containing water of a melamine plantOct 19, 05May 25, 10[C07D]
7678267 Thermal water treatment deviceSep 23, 08Mar 16, 10[C02F]
7445722 Thermal water treatment methodJun 23, 03Nov 04, 08[C02F]
7385057 Method and device for producing melamine in a single-phase tubular reactorJun 01, 04Jun 10, 08[C07D]
7311759 Process for purifying off-gases of a melamine plantNov 14, 02Dec 25, 07[C07D]
7176309 Method for producing melem-free melamine and quenching agentsNov 14, 02Feb 13, 07[C07D]
7041822 Method for purifying a melamine meltDec 10, 02May 09, 06[C07D]
7022848 Process for the production of melamineSep 28, 04Apr 04, 06[C07D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0283,739 Fluid Bed Granulation ProcessAbandonedJun 05, 14Sep 25, 14[B01J]
8263805 Process and plant for urea productionWithdrawnOct 04, 07Sep 11, 12[C07C]
2010/0285,214 Fluid Bed Granulation Process and ApparatusAbandonedDec 19, 08Nov 11, 10[B01J]
2010/0260,876 VIBRATING PRILLING BUCKET FOR GRANULATION OF A FLUID SUBSTANCEAbandonedNov 26, 08Oct 14, 10[B29B]
2010/0095,886 Fluid Bed Granulation ProcessAbandonedDec 24, 09Apr 22, 10[B05C]
2007/0032,650 Integrated process for urea and melamine productionAbandonedAug 10, 04Feb 08, 07[C07D, C07C]
2006/0099,118 Plant for urea productionAbandonedJun 04, 03May 11, 06[B01J, B32B]
6875892 Method for the production of ureaExpiredMar 26, 04Apr 05, 05[C07C]
6287525 Process and plant for urea production with reaction spaces having differentiated yieldsExpiredAug 25, 97Sep 11, 01[B01J, B01D]
6274767 Process for the revamping of urea synthesis plants consisting of a stripper with ammoniaExpiredDec 08, 92Aug 14, 01[C07C, B01J]
6150555 Process for urea productionExpiredMar 16, 95Nov 21, 00[C07C]
5792889 Process for urea production involving a carbon dioxide stripping stepExpiredNov 15, 95Aug 11, 98[C07C, B01J]
5684194 Process for urea production involving a carbon dioxide stripping stepExpiredJun 07, 95Nov 04, 97[C07C]
5681537 Plant for urea production involving a carbon dioxide stripping stepExpiredJun 07, 95Oct 28, 97[B01J]
5660801 Process and apparatus for the revamping of urea synthesis plants consisting of a stripper with ammoniaExpiredJun 02, 95Aug 26, 97[B01J]
5399755 Process and equipment for the hydrolysis of residual urea in the water from synthesis plantsExpiredOct 23, 92Mar 21, 95[C07C]
5380943 Process and plant for the production of urea with differentiated yield reaction spacesExpiredSep 16, 92Jan 10, 95[C07C]
5276183 Process and plant for the production of ureaExpiredJan 24, 92Jan 04, 94[C07C]
5176800 Process for the modernization of existing urea plants and a modernized urea plantExpiredDec 27, 90Jan 05, 93[C07C, B01D]
4613696 Process for urea productionExpiredMay 02, 85Sep 23, 86[C07C]

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