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Herman August Metz
Philip Steiner Clarkson
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Publication of GB190611983ApublicationCriticalpatent/GB190611983A/en
11,983. Metz, H. A., and Clarkson, P. S. May 22. Fats and fatty oils.-Oils and fats, such as corn oil and linseed oil, are bleached by means of formaldehyde hydrosulphites and sulphoxylates. Hyraldite or hydrosulphite NF, a sodium formaldehyde-hydrosulphite compound is mentioned as suitable for this purpose. The oil under treatment is agitated with a solution of the reagent and allowed to stand, and the separation effected by means of a solvent such as petroleum spirit, with or without a prior decantation.
GB190611983D1906-05-221906-05-22Process of Bleaching Oils and Fats.
ExpiredGB190611983A
(en)