ELF FRANCE, TOUR ELF
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 09, 1992 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 205 Total Citation Count
- Jun 16, 1986 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5120777 Bitumen/polymer composition exhibiting an adhesiveness which is retained on storage at elevated temperature and process for preparing such a compositionFeb 22, 91Jun 09, 92[C08L]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5096684 Process for the synthesis of precursors of molecular sieves of the silicoaluminophosphate type, precursors obtained and their application to obtaining the said molecular sievesExpiredMar 30, 90Mar 17, 92[C01B]
4993734 Coupling device between a steerable wheel and a steering control memberExpiredMar 02, 89Feb 19, 91[B62K]
4976746 Formulations of nitrogenated additives for engine fuels and the engine fuels containing themExpiredJun 28, 89Dec 11, 90[C10L]
4702338 Suspension device for a vehicle wheel support arm and front-rear coupling system for said suspensionExpiredJun 16, 86Oct 27, 87[B62K, B60G]
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