Tracing the corporate history of Imperial Chemical Industries (ICI), from its 1926 merger formation to its 2008 acquisition by Akzo Nobel, highlighting key products, leadership, financial milestones, and legacy.
Imperial Chemical Industries (ICI) is formed by the merger of Brunner Mond, Nobel Industries, United Alkali Company, and British Dyestuffs Corporation, creating one of the world's largest chemical companies.
ICI shares begin trading on the London Stock Exchange, providing public capital for expansion.
ICI chemists Eric Fawcett and Reginald Gibson accidentally discover polyethylene, a revolutionary plastic, at high pressure experiments.
ICI commercializes Perspex (polymethyl methacrylate), a transparent thermoplastic used in aircraft windows and signage.
ICI converts plants to produce explosives, synthetic rubber, and radar components, becoming a key wartime supplier.
ICI licenses nylon technology from DuPont and starts UK production for parachutes and stockings.
ICI introduces Terylene, a polyester fiber, marking a major advance in synthetic textiles.
ICI creates 'Disperse' dyes specifically for coloring synthetic fibers, boosting textile industry.
ICI opens a major petrochemical complex at Wilton, Teesside, integrating oil refining with chemical production.
ICI establishes a dedicated Pharmaceuticals Division, later becoming a global leader with drugs like propranolol and tamoxifen.
ICI introduces Gramoxone (paraquat), a highly effective but toxic herbicide, becoming a major agrochemical product.
Sir Peter Allen leads ICI through a period of diversification into consumer products and overseas expansion. )
ICI refines dye technology for polyester, enhancing colorfastness and market adoption.
ICI Pharmaceuticals develops tamoxifen, a pioneering breast cancer treatment that becomes a standard therapy.
ICI's paint division, led by the Dulux brand, becomes market leader in the UK and expands globally.
ICI acquires Beatrice Chemical from Beatrice Foods for $750 million, adding specialty chemicals.
ICI licenses its polyethylene process to other producers, focusing on higher-value businesses.
ICI acquires Stauffer Chemical from Unilever for $1.9 billion, gaining US agrochemical and specialty chemical businesses.
ICI sells its polyester intermediates business to DuPont for $1.2 billion, exiting a cyclical commodity sector.
ICI announces plans to demerge its pharmaceuticals and biosciences businesses into a new company, Zeneca.
Zeneca becomes independent from ICI, marking a strategic shift for ICI to focus on paints, adhesives, and specialty chemicals.
ICI buys National Starch & Chemical from Unilever for $4.6 billion, adding adhesives and specialty starches.
ICI acquires Quest International, a flavors and fragrances business, for $1.8 billion to expand in consumer specialties.
ICI sells its industrial chemicals business to Huntsman Corporation for $2.8 billion, exiting commodity chemicals.
ICI sells its petrochemicals business to Ineos for $2.2 billion, completing exit from bulk chemicals.
ICI sells its polyester resins business to a management buyout team, raising cash for focus on paints.
ICI sells its acrylics business to Lucite International, a joint venture with Ineos, for £555 million.
ICI sells its refrigerants business to Mexican chemical company Mexichem for $225 million.
ICI sells Uniqema, its oleochemicals and surfactants business, to Croda International for £410 million.
ICI receives a £8 billion takeover bid from Dutch company Akzo Nobel, following a period of hostile interest.
ICI shares cease trading on the London Stock Exchange after 81 years as a public company.
Akzo Nobel completes acquisition of ICI for £8.1 billion, making ICI a wholly owned subsidiary.
Akzo Nobel sells ICI's US paints business to PPG Industries for $2.2 billion, due to antitrust concerns.
Akzo Nobel sells the Dulux brand in Australia and New Zealand to Nippon Paint, marking the end of ICI's independent brand presence.