CELANESE CHEMICALS EUROPE GMBH

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 13125
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 8101
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
A61N ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY 1106
 
  
 
B01D SEPARATION 1133
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 129
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 180

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE39074 Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxideJul 16, 97Apr 18, 06[C07C]
6670504 Method and producing acetic acid in a reactor cascadeNov 10, 99Dec 30, 03[C07C, B01J]
6603038 Method for producing catalysts containing metal nanoparticles on a porous support, especially for gas phase oxidation of ethylene and acetic acid to form vinyl acetateApr 28, 00Aug 05, 03[C07C, B01J]
6274765 Process and catalyst for preparing acetic acid by catalytic oxidation of ethaneNov 10, 99Aug 14, 01[C07C]
6268522 Catalyst, process for its production and its use for preparing vinyl acetateJun 03, 98Jul 31, 01[C07C, B01J]
6228226 Process for working up crude, liquid vinyl acetateMay 21, 99May 08, 01[C07C, B01D]
6194610 Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxideJan 28, 99Feb 27, 01[C07C, B01J]
6140544 Process for preparing acetaldehyde from ethylene and oxygenApr 19, 99Oct 31, 00[C07C]
6114571 Palladium, gold and boron catalyst and process for the preparation of vinyl acetateNov 02, 98Sep 05, 00[C07C, B01J]
6114573 Catalyst, process for producing the catalyst and process for preparing vinyl acetate using the catalystJun 02, 99Sep 05, 00[C07C, B01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2006/0058,561 Process for dehydrating 2-methylpentane-2,4-diolAbandonedJul 19, 05Mar 16, 06[C07C]
6987200 Process for producing catalysts comprising nanosize metal particles on a porous support, in particular for the gas-phase oxidation of ethylene and acetic acid to give vinyl acetateExpiredMar 24, 03Jan 17, 06[C07C]
6849243 Catalysts for the gas-phase oxidation of ethylene and acetic acid to vinyl acetate, a process for producing them and their useExpiredSep 25, 01Feb 01, 05[C01B]
2004/0210,081 Carboxylic esters based on 2-hydroxymethylnorbornaneAbandonedMar 19, 04Oct 21, 04[C07C]
6703507 Ionic liquids and production and use thereofExpiredOct 16, 01Mar 09, 04[C07F]
6610881 Method for producing sulfonated aryl phosphinesExpiredDec 12, 01Aug 26, 03[C07C]
6525228 Process of telomerizing conjugated dienesExpiredOct 22, 01Feb 25, 03[C07C]
2002/0198,402 Citric esters and a process for their preparationAbandonedMay 08, 02Dec 26, 02[C07C]
6482972 Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizersExpiredMay 08, 95Nov 19, 02[C07C]
6472565 Method for producing aldehydesExpiredOct 23, 01Oct 29, 02[C07C]
2002/0111,508 Method for producing esters of citric acidsAbandonedJan 31, 02Aug 15, 02[C07C]
6407290 Process for the production of substituted 10-chloro-phenoxaphosphines or 10-bromo-phenoxaphosphinesExpiredApr 30, 01Jun 18, 02[C07F]
6388142 Method for producing aldehydes by hydroformylation in the presence of crown etherExpiredMay 16, 00May 14, 02[C07C]
6365784 Preparation of ethylene by gas permeationExpiredJul 27, 00Apr 02, 02[C07C]
6346501 Catalyst based on palladium, cadmium, alkali and lanthanoids and a method for producing vinyl acetateExpiredJul 20, 00Feb 12, 02[C07C, B01J]
6342605 Valeraldehyde and process for its preparationExpiredAug 18, 99Jan 29, 02[C07F]
6339174 Method for preparing aldehydes by hydroformylationExpiredMay 16, 00Jan 15, 02[C07F, C07C]
6300517 Phosphine ligands with amino acid groups, method for their production and use thereof as catalyst componentsExpiredDec 10, 99Oct 09, 01[C07C]
6288288 Process for preparing saturated alcoholsExpiredNov 25, 98Sep 11, 01[C07C]
6191063 Catalyst and process for the production of aldehydes by hydroformylation of olefinically unsaturated compoundsExpiredJul 01, 99Feb 20, 01[C07C, B01J]

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