Nawel KHELFALLAH

Person

Frankfurt, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for treating metallic surfaces with an acidic aqueous compos...
- Patent number 12,049,571
- Issue date Jul 30, 2024
- SPECIALTY OPERATIONS FRANCE
- Stefan Birkenheuer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for treating metallic surfaces with an acidic aqueous compos...
- Patent number 12,043,758
- Issue date Jul 23, 2024
- SPECIALTY OPERATIONS FRANCE
- Stefan Birkenheuer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for treating surfaces of aluminum containing substrates
- Patent number 11,958,989
- Issue date Apr 16, 2024
- Rhodia Operations
- Lars Sebralla
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for coating metallic surfaces of substrates and articles co...
- Patent number 11,389,823
- Issue date Jul 19, 2022
- Chemetall GmbH
- Wolfgang Bremser
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Composition for coating of metallic surfaces with good adhesion, in...
- Patent number 11,346,002
- Issue date May 31, 2022
- Chemetall GmbH
- Lars Sebralla
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for pretreating aluminum materials, particularly aluminum wh...
- Patent number 11,261,531
- Issue date Mar 1, 2022
- Chemetall GmbH
- Lars Sebralla
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTA...
- Publication number 20240209513
- Publication date Jun 27, 2024
- CHEMETALL GMBH
- Norbert Maurus
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
TREATMENT OF METALLIC SURFACES BY COPOLYMER CONTAINING ACIDIC AQUEO...
- Publication number 20240011162
- Publication date Jan 11, 2024
- CHEMETALL GMBH
- Nawel Souad KHELFALLAH
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAININ...
- Publication number 20230399753
- Publication date Dec 14, 2023
- CHEMETALL GMBH
- Nawel Souad KHELFALLAH
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ZR, MO AND ACID-FUNCTIONAL POLYMER CONTAINING AQUEOUS COMPOSITIONS...
- Publication number 20230366097
- Publication date Nov 16, 2023
- CHEMETALL GMBH
- Nawel Souad KHELFALLAH
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Aqueous Pickling Compositions and Their Use
- Publication number 20230250537
- Publication date Aug 10, 2023
- CHEMETALL GMBH
- Anna Verena MOHR
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Aqueous Pickling Compositions and Their Use
- Publication number 20230220560
- Publication date Jul 13, 2023
- CHEMETALL GMBH
- Anna Verena MOHR
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Phosphonate-Free, Aqueous Pickling Compositions and Their Use
- Publication number 20230175142
- Publication date Jun 8, 2023
- CHEMETALL GMBH
- Anna Verena MOHR
- B08 - CLEANING
Information Patent Application
METHOD FOR TREATING SURFACES OF ALUMINUM CONTAINING SUBSTRATES
- Publication number 20210355584
- Publication date Nov 18, 2021
- RHODIA OPERATIONS
- Lars Sebralla
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR NI-FREE PHOSPHATIZING OF METAL SURFACES AND COMPOSITION...
- Publication number 20210348277
- Publication date Nov 11, 2021
- RHODIA OPERATIONS
- Nawel Souad Khelfallah
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR NI-FREE PHOSPHATIZING OF METAL SURFACES AND COMPOSITION...
- Publication number 20210340676
- Publication date Nov 4, 2021
- CHEMETALL GMBH
- Nawel Souad Khelfallah
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR TREATING METALLIC SURFACES WITH AN ACIDIC AQUEOUS COMPOS...
- Publication number 20210269654
- Publication date Sep 2, 2021
- CHEMETALL GMBH
- Stefan Birkenheuer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR TREATING SURFACES OF ALUMINUM CONTAINING SUBSTRATES
- Publication number 20210253870
- Publication date Aug 19, 2021
- RHODIA OPERATIONS
- Lars Sebralla
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR TREATING METALLIC SURFACES WITH AN ACIDIC AQUEOUS COMPOS...
- Publication number 20210163757
- Publication date Jun 3, 2021
- CHEMETALL GMBH
- Stefan Birkenheuer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRETREATING ALUMINUM MATERIALS, PARTICULARLY ALUMINUM WH...
- Publication number 20200299847
- Publication date Sep 24, 2020
- CHEMETALL GMBH
- Lars Sebralla
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Composition for Coating of Metallic Surfaces with Good Adhesion, In...
- Publication number 20200181778
- Publication date Jun 11, 2020
- CHEMETALL GMBH
- Lars Sebralla
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
BINDERS STABILIZED IN AN AQUEOUS PHASE
- Publication number 20190300722
- Publication date Oct 3, 2019
- CHEMETALL GMBH
- Wolfgang Bremser
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM-AND MOLYBDENUM-CONTAI...
- Publication number 20180237919
- Publication date Aug 23, 2018
- CHEMETALL GMBH
- Norbert Maurus
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Process For Coating Metallic Surfaces of Substrates and Articles Co...
- Publication number 20170066009
- Publication date Mar 9, 2017
- CHEMETALL GMBH
- Wolfgang BREMSER
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Nawel KHELFALLAH

Person

Patents Grantslast 30 patents

Method for treating metallic surfaces with an acidic aqueous compos...

Method for treating metallic surfaces with an acidic aqueous compos...

Method for treating surfaces of aluminum containing substrates

Process for coating metallic surfaces of substrates and articles co...

Composition for coating of metallic surfaces with good adhesion, in...

Method for pretreating aluminum materials, particularly aluminum wh...

Patents Applicationslast 30 patents

PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM- AND MOLYBDENUM-CONTA...

TREATMENT OF METALLIC SURFACES BY COPOLYMER CONTAINING ACIDIC AQUEO...

TREATMENT OF METALLIC SURFACES BY OH-FUNCTIONAL COPOLYMER CONTAININ...

ZR, MO AND ACID-FUNCTIONAL POLYMER CONTAINING AQUEOUS COMPOSITIONS...

Aqueous Pickling Compositions and Their Use

Aqueous Pickling Compositions and Their Use

Phosphonate-Free, Aqueous Pickling Compositions and Their Use

METHOD FOR TREATING SURFACES OF ALUMINUM CONTAINING SUBSTRATES

METHOD FOR NI-FREE PHOSPHATIZING OF METAL SURFACES AND COMPOSITION...

METHOD FOR NI-FREE PHOSPHATIZING OF METAL SURFACES AND COMPOSITION...

METHOD FOR TREATING METALLIC SURFACES WITH AN ACIDIC AQUEOUS COMPOS...

METHOD FOR TREATING SURFACES OF ALUMINUM CONTAINING SUBSTRATES

METHOD FOR TREATING METALLIC SURFACES WITH AN ACIDIC AQUEOUS COMPOS...

METHOD FOR PRETREATING ALUMINUM MATERIALS, PARTICULARLY ALUMINUM WH...

Composition for Coating of Metallic Surfaces with Good Adhesion, In...

BINDERS STABILIZED IN AN AQUEOUS PHASE

PRE-TREATING ALUMINUM SURFACES WITH ZIRCONIUM-AND MOLYBDENUM-CONTAI...

Process For Coating Metallic Surfaces of Substrates and Articles Co...