Johann Frei

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Jona, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process and installation for the production of foam in a continuous...
- Patent number 8,389,590
- Issue date Mar 5, 2013
- Bayer Intellectual Property GmbH
- Hubert Ehbing
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for the optimized production of foam in a con...
- Patent number 7,645,809
- Issue date Jan 12, 2010
- Bayer MaterialScience AG
- Hubert Ehbing
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Process and apparatus for the optimized production of foam in a con...
- Publication number 20060167121
- Publication date Jul 27, 2006
- Bayer Material Science AG
- Hubert Ehbing
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL