Inventor · Villefontaine, FR

Valérie Doyen

14Patents
2h-index
9Co-inventors
43Inventor score

Filing activity: Oct 5, 2007 → Nov 5, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8980805B2 Marine lubricant for fuel oil having high and low sulphur contents Chemistry; Metallurgy 6 Active
US9896639B2 Lubricant for marine engine Chemistry; Metallurgy 2 Active
US9605568B2 Cylinder lubricant for a two-stroke marine engine Chemistry; Metallurgy 1 Active
US11242497B2 Compound comprising pol y amine, acidic and boron functionalities and its use as a lubricant additive Chemistry; Metallurgy 1 Active
US10738261B2 Use of a fatty amine for preventing and/or reducing the metal losses of the parts in an engine Chemistry; Metallurgy 1 Active
US10689592B2 Lubricant for a two-stroke marine engine Chemistry; Metallurgy 1 Active
US11111452B2 Compound comprising polyamine, acidic and boron functionalities and its use as a lubricant additive Chemistry; Metallurgy 1 Active
US11292983B2 Compound comprising quaternary monoammonium, acidic and boron functionalities and its use as a lubricant additive Chemistry; Metallurgy 1 Active
US9493722B2 Marine lubricant Chemistry; Metallurgy 1 Active
US10557102B2 Lubricant for marine engines Chemistry; Metallurgy 0 Active
US12043815B2 Method for reducing and/or controlling abnormal gas combustion in a marine engine or a controlled-ignition engine Chemistry; Metallurgy 0 Active
US11845905B2 Lubricant for a marine engine Chemistry; Metallurgy 0 Active
US11987764B2 Compound comprising polyamine, acidic and boron functionalities and its use as a lubricant additive Chemistry; Metallurgy 0 Active
US11085005B2 Use of a fatty amine for reducing and/or controlling the abnormal combustion of gas in a marine engine Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.