Julien N. R. Callens

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Merksem, BE

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Patents Grantslast 30 patents

Information Patent Grant
Foam boards produced using halogen-free blowing agents
- Patent number 5,576,094
- Issue date Nov 19, 1996
- BASF Aktiengesellschaft
- Julien N. R. Callens
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...