WF

Walter Freyer

Hoechst Gmbh: 3 patents #1,206 of 4,020Top 30%
DC Dover Chemical: 1 patents #17 of 32Top 55%
📍 Leitershofen, DE: #3 of 8 inventorsTop 40%
Overall (All Time): #1,280,703 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6114591 Process for preparing highly chlorinated paraffins Dietmar Bewart 2000-09-05
5433831 Process for the preparation of dichloroacetyl chloride Detlef Kampmann, Karl Bayer 1995-07-18
5126119 Process for producing chlorine-free hydrochloric acid low in AOX Theo Olffers 1992-06-30
5030753 Process for the preparation of dichloro- or trichloroacetyl chloride Karlheinz Miltenberger, Manfred Schmidt 1991-07-09