Sumitomo Chemical Co. Ltd.

History

Year	Detail
1919	The House of Sumitomo establishes an independently managed fertilizer plant in Niihama, Ehime prefecture.
1915	Operations commence for calcium superphosphate fertilizer.
1925	Sumitomo Fertilizer Manufacturing Co. Ltd. is incorporated.
1934	Sumitomo Fertilizer Manufacturing changes its name to Sumitomo Chemical Co. Ltd.
1944	Sumitomo acquires Japan Dyestuff Manufacturing Company.
1949	It takes over the aluminum business of Sumitomo Aluminium Smelting Co. Ltd.
1958	Sumitomo starts the production of ethylene and its derivatives.
1965	The Takatsuki Research Laboratory is established.
1978	Misawa Works is opened to expand the production of household insecticides involving pyrethroids.
1982	P.T. Indonesia Asahan Aluminium starts operations.
1984	The petrochemical complex in Singapore begins operations.
1989	The Tsukuba Research Laboratory is established.
2001	Sumitomo acquires the household insecticide business of Aventis Crop Science.
2005	It forms a joint venture, Rabigh Refining and Petrochemical Company (Petro Rabigh), with Saudi Aramco.
2007	Sumitomo acquires the UK company Cambridge Display Technology.
2017	It opens a plant for the production of separators for lithium-ion secondary batteries at SSLM, a subsidiary in South Korea.
2019	Sumitomo Dainippon Pharma (now Sumitomo Pharma) enters into a strategic alliance with Roivant Sciences Ltd.
2020	Sumitomo acquires four South American subsidiaries of a leading Australian agricultural chemical company, Nufarm Ltd.