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Karl-Heinz Stetter
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Gerstohofen, DT
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last 30 patents
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Patent Grant
Mixed oxidation product on the basis of bark waxes and other waxes
Patent number
4,083,731
Issue date
Apr 11, 1978
Hoechst Aktiengesellschaft
Walter Brotz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Process for the manufacture of waxes for carbon paper
Patent number
4,064,149
Issue date
Dec 20, 1977
Hoechst Aktiengesellschaft
Klaus Rieger
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS