Societe Anonyme dite: Elf France
1Patents
0Active
1Granted
27Portfolio score
Filing activity: Jun 9, 1983 → Jun 9, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4554313A | Process for preparing bitumen-polymer compositions, application of these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions | Chemistry; Metallurgy | 62 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.