Societe Nationale Elf Aquitaine

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF772
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 5104
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR293
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 2152
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 161
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5395646 Process for the protection of solid surfaces, particularly coastal areas, against pollution by hydrocarbonsApr 05, 94Mar 07, 95[C09K]
5393511 Synthesis of zeolites of faujasite structureJul 27, 92Feb 28, 95[C01B]
5370858 Process for the synthesis of zeolites having an aluminosilicate framework belonging to the faujasite structural family, products obtained and their use in adsorption and catalysisAug 27, 92Dec 06, 94[C01B, B01J]
5330015 Application of scleroglucan muds to drilling deviated wellsOct 13, 92Jul 19, 94[C09K, E21B]
5320731 Iontophoresis device for transcutaneous administration of a given total quantity of an active principle to a subjectFeb 12, 93Jun 14, 94[C25B]
5314674 Process for the synthesis of a zeolite of MTT type, products obtained and their application in adsorption and catalystsNov 09, 92May 24, 94[C01B]
5310534 Process for dealuminization of the synthetic zeolites of large pores, catalysts and selective organophilic adsorbents containing the dealuminized zeolites obtained according to the process and essentially silicic beta zeoliteNov 26, 91May 10, 94[C01B, B01J]
5306340 Scleroglucan-based compositions and their use as a cementation spacerFeb 11, 93Apr 26, 94[C08L, E21B]
5304601 Catalysts based on a faujasite and its applicationJan 17, 92Apr 19, 94[B01J]
5302810 Method for rapid and uniform heating of a multilayer assembly comprising at least one thin layer based on an ion-conducting macromolecular material interleaved between two structures with high electronic conductionFeb 14, 91Apr 12, 94[H05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5898774 Portable telephone having a reversible and sliding card casingExpiredApr 01, 97Apr 27, 99[H04M]
5777609 Method of exploiting colors on screenExpiredDec 01, 94Jul 07, 98[G09G]
5555936 Scleroglucan gel applied to the oil industryExpiredMar 16, 95Sep 17, 96[E21B]
5540277 Method for improving heat and mass transfers toward and/or through a wallExpiredJun 10, 93Jul 30, 96[C12M, F28D]
5536651 Mutant strain of Xanthomonas campestris, process of obtaining xanthan, and non-viscous xanthanExpiredMar 15, 95Jul 16, 96[C07G, C12P, C12N]
5534239 Process for the synthesis of a silica enriched crystalline aluminosilicate having the offretite structure, the aluminosilicate obtained and its use as a catalyst for the conversion of hydrocarbonsExpiredOct 06, 95Jul 09, 96[C01B]
5522976 Target component for cathode sputteringExpiredJun 14, 94Jun 04, 96[C23C, C04B, B22F]
5507897 Process for the preparation of a target component for cathode sputteringExpiredJul 26, 94Apr 16, 96[B05D, C04B]
5458751 Recovery of aprotic polar solvents from their saline aqueous solutionsExpiredAug 08, 94Oct 17, 95[B01D]
5451391 Process for the synthesis of a crystalline aluminosilicate enriched in silica, having the structure of mazzite, the aluminosilicate obtained and its use as catalyst for the conversion of hycrocarbonsExpiredDec 06, 93Sep 19, 95[C01B, C07C, B01J, C10G]
5448908 Device for the measurement of viscoelasticity of products, and particularly those with low viscosityExpiredMar 02, 94Sep 12, 95[G01N]
5447709 Process for the synthesis of zeolites belonging to the faujasite structural familyExpiredOct 25, 93Sep 05, 95[C01B]
5426201 Preparation of manganous enolates and its applicationsExpiredApr 25, 94Jun 20, 95[C07F, C07C]
5426216 Process for the hydrogenation of ethylenically unsaturated organic compounds and ruthenium catalysts for carrying out said processExpiredAug 12, 93Jun 20, 95[C07F, C07C, B01J]
5401644 Process of producing conventional or non-viscous xanthan by action of xanthomonas campestrisCNCM 1-956ExpiredDec 27, 91Mar 28, 95[C12R, C12P, C12N]
5385717 Process for the synthesis of zeolites having an aluminosilicate framework belonging to the faujasite structural family, products obtained and their use in adsorption and catalysisExpiredAug 20, 92Jan 31, 95[C01B, B01J]
5335519 Plant for producing cold by solid/gas reaction, reactor comprising means of coolingExpiredMay 24, 93Aug 09, 94[F25B]
5323857 Process for enhancing oil recovery using scleroglucan powdersExpiredJan 25, 93Jun 28, 94[E21B]
5324850 Preparation of chiral catalysts based on ruthenium and phosphorus complexesExpiredFeb 21, 92Jun 28, 94[C07F]
5299638 Process for transporting particles in a porous mediumExpiredJun 02, 92Apr 05, 94[E21B]

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