Chemische Fabrik Kalk

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Reactive fire-protective formulation for rendering polyurethane rig...
- Patent number 4,717,509
- Issue date Jan 5, 1988
- Chemische Fabrik Kalk
- Walter Buttgens
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...