1951 — Hoechst AG was re-founded on December 7 in
Frankfurt when IG Farben was split into its founder companies. The original capitalization of the company was 100,000
Deutsche Mark. By 1953, Hoechst had acquired parts of Knapsack-Griesheim, , Behring Werke,
Wacker Chemie and Ruhr Chemie, among others. 1957 — Signed a technical cooperation contract with Handok Pharmaceuticals In
South Korea 1964 — Handok Pharmaceuticals Joint Venture Partner In South Korea 1969 — Hoechst acquired
Cassella. 1974 - Hoechst acquired
Foster Grant 1986 - Hoechst sold Foster Grant to
Andlinger & Co. 1987 — Hoechst acquired the American chemical company
Celanese and formed a new Hoechst subsidiary in the US, Hoechst Celanese. 1988 — Hoechst AG sold
Berger, Jenson and Nicholson Ltd to
Williams Holdings. 1997 — Hoechst underwent a realignment wherein its various businesses were transferred to independent companies, including
Nutrinova and
Clariant. 1999 (December 7) — Hoechst and Rhône-Poulenc settle Federal Trade Commission charges that merger would violate
U.S. antitrust laws; 1999 — Aventis was formed when Hoechst AG merged with
Rhône-Poulenc S.A. The merged company was headquartered in
Strasbourg, Eastern
France. As part of the merger, the company demerged many of its industrial businesses into Celanese, which became an independent company again (e.g. the engineering polymers business
Ticona). 2005 — The company became a wholly owned subsidiary of Sanofi-Aventis (now called
Sanofi). ==Key figures ==