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Hans Krekeler
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Wiesbaden, DE
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last 30 patents
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Patent Grant
Process for the manufacture of unsaturated esters of carboxylic acids
Patent number
4,668,819
Issue date
May 26, 1987
Hoechst Aktiengesellschaft
Hans Fernholz
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the manufacture of resorcinol
Patent number
4,160,113
Issue date
Jul 3, 1979
Hoechst Aktiengesellschaft
Werner H. Muller
C07 - ORGANIC CHEMISTRY