YD

Yvon Demangeon

Colgate-Palmolive: 3 patents #736 of 2,015Top 40%
📍 Embourg, BE: #6 of 28 inventorsTop 25%
Overall (All Time): #1,671,327 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4851141 Concentrated stable nonaqueous fabric softener composition Michel Julemont, Marie-Helene Fraikin 1989-07-25
4556509 Light duty detergents containing an organic diamine diacid salt Alain Jacques 1985-12-03
4486329 Liquid all-purpose cleaner Roger D. Ellis, Alain Jacques 1984-12-04