19 Utility Patents
#2 in Teyran
#2,430 in France
#181,132 in the World
Forward Citations = 161
Company Filing History:
Elf France
Societe Nationale Elf Aquitaine

4. 2 out of 2,420

5. 2 out of 29
Elf Aquitaine
where one patent can have more than one assignee
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