Lisa Seider

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for nickel-free phosphating metal surfaces
- Patent number 11,643,731
- Issue date May 9, 2023
- Chemetall GmbH
- Olaf Dahlenburg
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

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
IMPROVED METHOD FOR NICKEL-FREE PHOSPHATING METAL SURFACES
- Publication number 20200199758
- Publication date Jun 25, 2020
- CHEMETALL GMBH
- Olaf Dahlenburg
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...