Inventor
KHELFALLAH NAWEL SOUAD
DE7 patents
⚠️ This page may combine multiple inventors who share the name “KHELFALLAH NAWEL SOUAD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEMETALL GMBH
4 patentsUS12043758B2Jul 23, 2024
Method for treating metallic surfaces with an acidic aqueous composition to improve corrosion resistance
CHEMETALL GMBH0 citations56
US11261531B2Mar 1, 2022
Method for pretreating aluminum materials, particularly aluminum wheels
CHEMETALL GMBH0 citations49
US11346002B2May 31, 2022
Composition for coating of metallic surfaces with good adhesion, in particular aluminum materials
CHEMETALL GMBH0 citations47
US12584229B2Mar 24, 2026
Method for applying a conversion coating with an aquous pickling composition comprising an aminophosphonic acid and a polymer
CHEMETALL GMBH0 citations38