Valter E. Lessmann

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Curitiba, BR

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Patents Grantslast 30 patents

Information Patent Grant
Amino-formaldehyde resins and applications thereof
- Patent number 9,388,269
- Issue date Jul 12, 2016
- Hexion Inc.
- Valter E. Lessmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...