René Chelle

3 Patents

• US121794002024

  Multiple-matrix Monolithic Moulded Part for the Diffusion of Active Ingredients and Method for Obtaining Same

  0 cites
• US117810142023

  Polyamide Hot-melt Resin Granules Loaded with Active Ingredients

  AB7 INNOVATION S.A.S.U.

  0 cites
• US115833792023

  Combination of an Applicator and of a Suspension Having an Active Principle

  AB7 INNOVATION S.A.S.U.

  0 cites