Bertold Nathal

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Rodersdorf, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of partially protected phenolic resins
- Patent number 5,663,038
- Issue date Sep 2, 1997
- OCG Microelectronic Materials, Inc.
- Carl-Lorenz Mertesdorf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...