Guenter Woelfert

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Frankfurt am Main, DE

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Patents Grantslast 30 patents

Information Patent Grant
Water-dilutable etherified melamine-formaldehyde resins
- Patent number 6,579,964
- Issue date Jun 17, 2003
- Solutia Germany GmbH & Co. KG
- Johann Wonner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Water-dilutable etherified melamine-formaldehyde resins
- Publication number 20020198355
- Publication date Dec 26, 2002
- Johann Wonner
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...