ELF AQUITAINE EXPLORATION PRODUCTION FRANCE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B01D SEPARATION 1133
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6235198 Process for purification of dimethyl sulphoxide (DMSO)May 14, 98May 22, 01[C07C, B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6288006 Method for pre-sulphurization of catalystsExpiredSep 22, 99Sep 11, 01[B01J]
6093772 Immiscible polymer compatibiliser systemExpiredJan 29, 98Jul 25, 00[C08L]
6020530 Process for purification of dimethyl sulphoxide (DMSO)ExpiredMay 14, 98Feb 01, 00[C07C]

Top Inventors for This Owner

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