RHODIA POLYAMIDE INTERMEDIATES

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 3135
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2118
 
  
 
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
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9096468 Hydraulic binder compositionJul 10, 03Aug 04, 15[C04B, E01C, B32B]
8946314 Expandable polyamide composition and polyamide foam obtained therefromJun 20, 03Feb 03, 15[C08J, C08G, C08F]
8529812 Production of pearls based on expanded polymersJun 30, 04Sep 10, 13[B29D, B29B]
8231765 Process for the purification of lactamsMay 29, 08Jul 31, 12[C07D, B01D]
7740938 Production of spherical polyamide particlesJun 22, 04Jun 22, 10[C08G]
7549462 Coil for coolant circulation, method for making same and reactor comprising sameJan 20, 03Jun 23, 09[F28D, F28F]
7487157 Method and system for delivering a messageOct 14, 02Feb 03, 09[G06F]
7453012 Continuous process for the hydrogenation of nitriles or nitro compounds to aminesJan 20, 03Nov 18, 08[C07C]
7396961 Process for catalytically decomposing organic hydroperoxidesJan 20, 06Jul 08, 08[C07C]
7384518 Method for purifying lactamsMay 28, 01Jun 10, 08[C07D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8039660 Method of producing nitrile compoundsExpiredOct 02, 08Oct 18, 11[C07C]
7803968 Method for making carboxylic acidsExpiredOct 28, 03Sep 28, 10[C07C]
7705179 Method for oxidising hydrocarbons, alcohols and/or ketonesExpiredJun 22, 01Apr 27, 10[C07C]
7507856 Method of oxidising hydrocarbons to acidsExpiredJul 15, 02Mar 24, 09[C07C]
7385074 Method for the hemihydrogenation of dinitriles in order to form aminonitrilesExpiredJun 13, 02Jun 10, 08[C07C]
7270752 Process for purifying lactamsExpiredDec 27, 00Sep 18, 07[B01D]
7253312 Process for producing carboxylic acidsExpiredOct 08, 03Aug 07, 07[C07C]
2007/0161,731 Suspension of inorganic fillers in a polyesterpolyol and production methodAbandonedJul 30, 04Jul 12, 07[B60C, C08K]
2007/0043,133 Polyurethane foams, processes for obtaining them and use of these foamsAbandonedJul 30, 04Feb 22, 07[C08G]
2006/0217,549 Diamine purification methodAbandonedJun 25, 04Sep 28, 06[C07D]
7041848 Method for oxidizing hydrocarbons into acidsExpiredMar 07, 01May 09, 06[C07C]
6946574 Method for preparing carboxylic acids by palladium carbonylationExpiredDec 21, 01Sep 20, 05[C07C]
2005/0118,446 Waterproofing air and vapor barrier membraneAbandonedNov 16, 04Jun 02, 05[B32B]
2004/0267,052 Method for catalytic decomposition of organic hydroperoxidesAbandonedAug 18, 04Dec 30, 04[C07C]
2004/0242,927 Method for making adipic acid crystals and resulting crystalsAbandonedMar 17, 04Dec 02, 04[C07C]
2004/0204,603 Process for the hemihydrogenation of dinitriles to form aminonitrilesAbandonedMay 27, 04Oct 14, 04[C07C]
2004/0147,777 Method for oxidising hydrocarbonsAbandonedMar 22, 04Jul 29, 04[C07C]
6762319 Hydrocarbon, alcohol and/or ketone oxidation methodExpiredApr 16, 02Jul 13, 04[C07C]
2004/0113,308 Method for making yarns, fibres and filamentsAbandonedFeb 09, 04Jun 17, 04[D01D]
6734326 Method of treating aqueous effluents containing peroxidized compoundsExpiredFeb 27, 03May 11, 04[C07C]

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