Helmut Lammerting

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of highly elastic soft polyurethane foams
- Patent number 4,042,540
- Issue date Aug 16, 1977
- Th. Goldschmidt AG
- Helmut Lammerting
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...