HG

Henri Grangette

EF Elf France: 6 patents #12 of 154Top 8%
SA Societe Nationale Elf Aquitaine: 2 patents #98 of 490Top 20%
IP Institut Francais Du Petrole: 1 patents #889 of 1,676Top 55%
Overall (All Time): #671,378 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4758360 Process for synthesizing overbased additives under constant pressure of carbon dioxide Christian Bernasconi, François Travers, Anne-Christine Trompette 1988-07-19
4708720 Protection of hydrocarbons against the action of microorganisms Michel Llinares, Bernard Bossand, Alain Faure 1987-11-24
4647703 Process for producing a hydrocarbon cut of high octane number by etherification of olefins Bernard Torck, Pierre Amigues, Yves Glaize, Jean Laurent, Fred Fitoussi 1987-03-03
4543195 Friction-reducing lubricating compositions each comprising an additive Bernard Constans, Paul Maldonado 1985-09-24
4536594 Process for the preparation of beta-disubstituted monocarboxylic acids Patrice P. M. Deschamps, Roger Gallo 1985-08-20
4404109 Aqueous micro-emulsions of organic substances Jacques Tellier, Claude Chambu, Jean-Francois Coste 1983-09-13
4396400 Process for improving the combustion of gas oils Jean-Marc Bouvier 1983-08-02
4252657 Concentrate for the preparation of oil and water microemulsions having high salinity which are stable at high temperature Jean-Paul Barriol, Jean-Francois Coste 1981-02-24