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Hansjorg Hey
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Hofheim, DE
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last 30 patents
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Patent Grant
Process for the isolation of vinyl acetate
Patent number
4,818,347
Issue date
Apr 4, 1989
Hoechst Aktiengesellschaft
Gunter Roscher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of cyclohexane-1,3-dione from .delta.-k...
Patent number
4,409,400
Issue date
Oct 11, 1983
Hoechst Aktiengesellschaft
Werner H. Muller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of resorcinols from .delta.-ketocarboxy...
Patent number
4,250,336
Issue date
Feb 10, 1981
Hoechst Aktiengesellschaft
Werner H. Muller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of carboxylic acids
Patent number
4,110,372
Issue date
Aug 29, 1978
Hoechst Aktiengesellschaft
Hansjorg Hey
C07 - ORGANIC CHEMISTRY