Ewald Schmidt

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Latent curing agent for thermosetting aminoplast resins, its manufa...
- Patent number 4,273,669
- Issue date Jun 16, 1981
- Cassella Aktiengesellschaft
- Steffen Piesch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...