Hendrik Paul de Jongh

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Patents Grantslast 30 patents

Information Patent Grant
Novel 11-aryloestrane and 11-arylpregnane derivatives
- Patent number 4,871,724
- Issue date Oct 3, 1989
- Akzo nv
- Marinus B. Groen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
18-Phenyloestrane derivatives
- Patent number 4,808,710
- Issue date Feb 28, 1989
- Akzo nv
- Hendrik P. de Jongh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 11.beta.-hydroxy-18-alkyl-estrane co...
- Patent number 3,998,813
- Issue date Dec 21, 1976
- Akzona Incorporated
- Hendrik Paul de Jongh
- C07 - ORGANIC CHEMISTRY