Nawel Souad Khelfallah

5 Patents

• US125842292026

  Method for Applying a Conversion Coating with an Aquous Pickling Composition Comprising an Aminophosphonic Acid and a Polymer

  CHEMETALL GmbH

  0 cites
• US123126932025

  Method for Treating Surfaces of Aluminum Containing Substrates

  CHEMETALL GmbH

  0 cites
• US120495712024

  Method for Treating Metallic Surfaces with an Acidic Aqueous Composition and a Post Rinsing Composition to Improve Corrosion Resistance

  SPECIALTY OPERATIONS FRANCE

  0 cites
• US120437582024

  Method for Treating Metallic Surfaces with an Acidic Aqueous Composition to Improve Corrosion Resistance

  SPECIALTY OPERATIONS FRANCE

  0 cites
• US119589892024

  Method for Treating Surfaces of Aluminum Containing Substrates

  Chemetall GmbH

  0 cites