Junjun Wan

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Metal pretreatment compositions comprising silanes and organophospo...
- Patent number 10,106,689
- Issue date Oct 23, 2018
- Henkel AG & Co. KGaA
- Michael Wolpers
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Metal pretreatment with acidic aqueous compositions comprising silanes
- Patent number 10,053,583
- Issue date Aug 21, 2018
- Henkel AG & Co. KGaA
- Michael Wolpers
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...