BD

Bertrand Daoudal

IP Institut Francais Du Petrole: 5 patents #320 of 1,676Top 20%
📍 Auxerre, FR: #35 of 243 inventorsTop 15%
Overall (All Time): #1,054,662 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5696062 Colloidal products containing calcium barium and/or magnesium also bismuth modified by the action of carboxylic acids containing sulphur and optionally nitrogen Bruno Delfort, Maurice Born, Jacques Lallement 1997-12-09
5693597 Colloidal alkaline or alkaline-earth carbonates containing a compound of calcium, phosphorus and sulphur in micellar form Bruno Delfort, Thierry Lacome, Francoise Dixmier, Maurice Born 1997-12-02
5536424 Sulfonated bismuth compounds Bruno Delfort, Maurice Born, Jacques Lallement 1996-07-16
5470495 Colloidal products containing calcium and/or magnesium, as well as boron and/or phosphorus and/or sulfur, their preparation and their utilization as additives for lubricants Bruno Delfort, Jacques Lallement, Maurice Born, Jean-Claude Hipeaux, Pierre Marchand +2 more 1995-11-28
5468399 Colloidal products containing sulfur and/or phosphorus and/or boron, their preparation and their utilization as additives for lubricants Bruno Delfort, Jacques Lallement, Maurice Born, Jean-Claude Hipeaux, Pierre Marchand 1995-11-21