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of King William Street, London, developer of metallurgical processes and acquirer of mineral rights.
1903 Public company.
1909 Had established and was operating a tailings plant at Broken Hill mine, jointly with Sulphide Corporation. Successfully defended against legal action brought by British Ore Concentration Syndicate.
1912 Formed joint company in Australia with Amalgamated Zinc (De Bavay's) Ltd to own the Australian and New Zealand patents of both companies together with Potter's Sulphide Ore Treatment Ltd.
1919 Increase in capital reflecting the extra prospects for business in many places around the world, not only for application of the flotation process for separation but also for investment in mineral reserves; continued research and development work which led to new patents
1920 Great potential for coal washing process so the company had acquired rights from various companies to treat their waste tips including Powell Duffryn, Midland Coal Products Ltd, Ashington Coal Co, Skinningrove Iron Co; also developed rust proofing agent Sozol.
1921 Several plants using the company's fine-coal recovery process were under construction.
1923 Coal-cleaning and briquetting processes were attracting substantial interest; new copper ore reduction process would be tried in 2 small plants.
1926 Employed aerial survey of Rhodesia in prospecting for minerals.
1951 The Birmingham subsidiary, Foundry Services Ltd, had considerably expanded its range of products for foundries under the brand Foseco; representation for these products was being strengthened in other countries. Other potteries in the group were Kirkhams and Gibsons.
1961 Formed into three groups, Foundry Services Group: Manufacturing chemical compounds for metallurgical industries; Howard Pottery Group: manufacturing pottery ware; Modern Engineering Group: constructional engineers specialising in industrial steel and concrete buildings.
1969 The Foseco group had grown so much since it was floated that it made to sense to take over Minerals Separation since the 2 companies shared similar aims and had the same chairman; the new company was called Foseco Minsep.