Klaus-Dieter Sommerfeld

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Overath, DE

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Patents Grantslast 30 patents

Information Patent Grant
Use of 1,1,1,4,4,4-hexaefluorobutane as a blowing and insulating ga...
- Patent number 4,931,482
- Issue date Jun 5, 1990
- Bayer Aktiengesellschaft
- Wilhelm Lamberts
- C07 - ORGANIC CHEMISTRY