JR

Jean-Philippe Roman

EF Elf Antar France: 3 patents #7 of 104Top 7%
SA Societe Nationale Elf Aquitaine: 1 patents #176 of 490Top 40%
Overall (All Time): #1,268,217 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6528459 Marine lubricant for two-stroke engine 2003-03-04
6245571 Method of characterizing the neutralization capacity of a lubricant and device for the implementation of this method 2001-06-12
5609653 Fuel compositions containing at least one fulvene derivative and their use Alain Chaffardon 1997-03-11
5143633 Overbased additives for lubricant oils containing a molybdenum complex, process for preparing them and compositions containing the said additives Roger Gallo, Pierre Hoornaert 1992-09-01