Dario Negri

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Bagnolo Cremasco(Cr), IT

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Patents Grantslast 30 patents

Information Patent Grant
Process for pickling martensitic or ferritic stainless steel
- Patent number 7,229,506
- Issue date Jun 12, 2007
- Henkel Kommanditgesellschaft auf Aktien
- Paolo Giordani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Brightening/passivating metal surfaces without hazard from emission...
- Patent number 6,858,097
- Issue date Feb 22, 2005
- Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
- Paolo B. Giordani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for pickling stainless steel in the absence of nitric acid...
- Patent number 6,554,908
- Issue date Apr 29, 2003
- Henkel Kommanditgesellschaft auf Aktien
- Dario Negri
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Process for pickling martensitic or ferritic stainless steel
- Publication number 20050016634
- Publication date Jan 27, 2005
- Paolo Giordani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Desludging device and method for desludging a liquid
- Publication number 20040251218
- Publication date Dec 16, 2004
- Paolo Giordani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Brightening/passivating metal surfaces without hazard from emission...
- Publication number 20030121568
- Publication date Jul 3, 2003
- Paolo B. Giordani
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...