Walter Freyer

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Stadtbergen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing highly chlorinated paraffins
- Patent number 6,114,591
- Issue date Sep 5, 2000
- Dover Chemical Corporation
- Dietmar Bewart
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of dichloroacetyl chloride
- Patent number 5,433,831
- Issue date Jul 18, 1995
- Hoechst Aktiengesellchaft
- Detlef Kampmann
- C07 - ORGANIC CHEMISTRY