Friedrich Heller

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Burghausen, DT

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Patents Grantslast 30 patents

Information Patent Grant
N-substituted maleic imide preservative for aqueous dispersions of...
- Patent number 3,933,715
- Issue date Jan 20, 1976
- Hoechst Aktiengesellschaft
- Franz Botsch
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...