US 11,905,489 B2
Composition for producing a lubricant composition
Lutz Kogel, Lippstadt (DE); Patrick Degen, Witten (DE); and Tobias Asam, Hagen (DE)
Assigned to Carl Bechem GmbH, Hagen (DE)
Appl. No. 17/270,311
Filed by Carl Bechem GmbH, Hagen (DE)
PCT Filed Sep. 10, 2019, PCT No. PCT/EP2019/074144
§ 371(c)(1), (2) Date Oct. 29, 2021,
PCT Pub. No. WO2020/053232, PCT Pub. Date Mar. 19, 2020.
Claims priority of application No. 18193533 (EP), filed on Sep. 10, 2018.
Prior Publication US 2022/0064565 A1, Mar. 3, 2022
Int. Cl. C10M 173/02 (2006.01); C10N 10/02 (2006.01)
CPC C10M 173/02 (2013.01) [C10M 2201/02 (2013.01); C10M 2201/084 (2013.01); C10M 2201/085 (2013.01); C10M 2207/022 (2013.01); C10M 2215/30 (2013.01); C10M 2223/06 (2013.01); C10N 2010/02 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A composition obtainable by combining a component (A) and at least two metal salts (M) and water, component (A) consisting of one or more inorganic salts selected from sulfite, disulfite, thiosulfate, phosphate, polyphosphate, pyrophosphate, metaphosphate or salts or mixtures thereof, wherein the metal salts (M) differ in the oxidation number of the metal and the metal is Fe, wherein the concentration of component (A) is in the range from 5% to 20% by weight based on the total weight of the lubricant composition, and the total concentration of the metal salts (M) is in the range from 5% to 10% by weight based on the total weight of the lubricant composition, wherein the composition is a lubricant solution and has a pH of 9 to 10.