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Gerd Ripkens
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Kamp-Lintfort, DE
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last 30 patents
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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-...