Gerd Ripkens

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Kamp-Lintfort, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing modified phenolic resin bonding agents and us...
- Patent number 5,011,886
- Issue date Apr 30, 1991
- Rwe-Dea Aktiengesellschaft fur Mineraloel und Chemie
- Adolf Buschfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the manufacture of multi-layer particle board using a p...
- Patent number 4,525,227
- Issue date Jun 25, 1985
- Deutsche Texaco Aktiengesellschaft
- Gerd Ripkens
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making phenol-aldehyde resins
- Patent number 4,244,906
- Issue date Jan 13, 1981
- Deutsche Texaco Aktiengesellschaft
- Karl-Heinz Heinemann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...