WP Mannheim
1877 Foundation of „Chemische Fabrik Lindenhof C. Weyl & Cie AG“ by Dr. Carl Weyl in Mannheim as tar distillation business
1905 Acquisition of Weyl by Rütgerswerke
1911 Transfer of production site to today's location in Mannheim-Waldhof
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Weylchem Frankfurt
Site Frankfurt Griesheim
1856 The „Frankfurter AG for agrochmichal products“ founded in Griesheim.
1952 This site was combined with Farbwerke Hoechst (later Hoechst AG)
1991 The carbon business ended up in SGL Carbon
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Site Frankfurt Hoechst
1862 Chemische Fabrik Meister Lucius & Co. takes up operation
west of Hoechst
1883 the first drug manufacturing started at this site
1910 another pharmaceutical milestone: Paul Ehrlich developed Salvarsan
highly effective for the treatment of syphilis.
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west of Hoechst
1883 the first drug manufacturing started at this site
1910 another pharmaceutical milestone: Paul Ehrlich developed Salvarsan
highly effective for the treatment of syphilis.
... more
WeylChem US
WeylChem Elgin
1967 Hardwicke Chemical founded by Dr. James E. Hardwicke and
Mr.Wilhelm Frings. Company was privately owned.
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Mr.Wilhelm Frings. Company was privately owned.
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Site PPC Thann
1808 Foundation of the chemical plant by Charles KESTNER
1924 Start up a potassium electrolysis unit (Bromide production)
1931 New name Potasse et Produits Chimiques ( P.P.C)
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