Nouvelle huile pour couleurs à huile, dite „Frankfurter Oel“
The oil or compound is composed of linseed oil, dammar, cats-eye or other suitable gum, wax, or stearine, and oil of terpentine: the ingredients are boiled together and then rubbed up with the desired colours. Wax may be omitted and the linseed oil replaced by other drying-oils.
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[1] FR patent No 128,022, GB patent No 501/1879
[2] DE Reichspatent No 2,516
[3] LU patent No 30
(13/03/2021)