ELF ATOCHEM 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 4395
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 19106
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1799
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM14143
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 10110
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 8101
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 696
 
  
 
B01D SEPARATION 5129
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 474
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF376

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7273512 Process for drying difluoromethaneOct 23, 02Sep 25, 07[B01D]
7067188 Polymeric articles having a textured surface and frosted appearanceJan 10, 00Jun 27, 06[B32B]
6866787 Process for drying difluoromethaneDec 08, 99Mar 15, 05[B01D]
6841091 Compositions for drying solid surfacesMar 04, 98Jan 11, 05[C09K, C11D]
6841612 Plastic compositionDec 15, 99Jan 11, 05[C08L]
6784257 Antistatic polymer compositionsApr 24, 00Aug 31, 04[C08G]
6743951 Compositions based on dimethyl disulphide with a masked smellJan 14, 02Jun 01, 04[C07C]
6649560 Bulk catalysts based on chromium and on nickel for the gas-phase fluorination of halogenated hydrocarbonsMar 28, 02Nov 18, 03[B01J]
6641791 Generation of boron-trifluoride and sulphuric acid from boron trifluoride hydrateDec 08, 98Nov 04, 03[C01B]
6639110 Method for making dimethyl disulphide compositions having a masked smellJan 14, 02Oct 28, 03[C07C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6911511 Controlled radical polymerization process using a small amount of stable free radicalExpiredDec 18, 98Jun 28, 05[C08F]
6875499 Light diffusing compositesExpiredJan 19, 00Apr 05, 05[F21V, B32B]
6864318 Thermoplastic compositions comprising a crosslinked phaseExpiredAug 27, 99Mar 08, 05[C08L]
6777242 Aqueous solution based on an azo dye, process for its manufacture and use thereofExpiredSep 08, 99Aug 17, 04[G01N]
6723779 Low-temperature film-forming latex based on hydrophobic polymers having a core/shell structure without coalescentsExpiredApr 30, 02Apr 20, 04[C08L]
6660191 1.5-Diethenylnaphthalene compounds and bifunctional primers for anionic polymerization prepared therefromExpiredFeb 05, 98Dec 09, 03[C07F]
6657006 Coextrusion binder composition and coextruded multilayer composite in which the said composition is employed as adhesive layerExpiredMar 07, 95Dec 02, 03[C08G]
6605743 Continuous process for the preparation of pivaloyl chloride and of aroyl chlorideExpiredDec 23, 98Aug 12, 03[C07C]
6579419 Method for purifying norbornene by distillationExpiredJul 07, 00Jun 17, 03[C07C, B01D]
6576342 Multilayered article including a vulcanized elastomer associated directly with a thermoplasticExpiredOct 19, 95Jun 10, 03[B32B]
6576705 Thermoplastic resin composition and molded articlesExpiredFeb 09, 99Jun 10, 03[C08L]
6572729 Imidazole derivative-catalyzed polyurethane formulations based on hydroxylated polybutadieneExpiredAug 27, 99Jun 03, 03[C09J]
6554958 Process for the delignification and bleaching of chemical paper pulps with hydrogen peroxide and at least one polymerExpiredApr 11, 97Apr 29, 03[D21C]
6555642 Olefin polymer or copolymer formed using a solid catalytic componentExpiredFeb 06, 02Apr 29, 03[C08F]
2003/0069,380 POLYURETHANE AQUEOUS DISPERSIONS AND PREPARATION METHODAbandonedMar 07, 00Apr 10, 03[C08G]
6534173 Films comprising metallocene catalyzed plastomer and ethylene/alkyl (meth)acrylate copolymerExpiredApr 25, 00Mar 18, 03[B32B]
6531185 Latex based on hydrophobic polymers core/shell structures film forming at low temperature without coalescent agentExpiredMay 05, 00Mar 11, 03[B05D, C08L, B32B]
6511724 Pipes for conveying drinking waterExpiredMar 08, 96Jan 28, 03[F16L]
6509090 Composition comprising metallocene plastomer and ethylene/alkyl (meth) acrylate polymer with their secant moduli ratio greater than 1ExpiredApr 10, 00Jan 21, 03[C08L, B32B]
6509428 Radical polymerization in the presence of several stable free radicalsExpiredOct 06, 99Jan 21, 03[C08F]

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