Ulrich Boddenberg

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Leichlingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for cleaning production plants for polyester polyols
- Patent number 7,091,304
- Issue date Aug 15, 2006
- Bayer MaterialScience AG
- Hartmut Nefzger
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

Information Patent Application
Process for cleaning production plants for polyester polyols
- Publication number 20050143555
- Publication date Jun 30, 2005
- Hartmut Nefzger
- B08 - CLEANING