US 11,920,103 B2
Mineral-oil-free lubricant and method for producing a mineral-oil-free lubricant
Frank Bongardt, Meerbusch (DE); and Markus John, Anrochte (DE)
Assigned to KAJO GMBH, Anrochte (DE)
Appl. No. 17/417,673
Filed by KAJO GMBH, Anrochte (DE)
PCT Filed Dec. 19, 2019, PCT No. PCT/EP2019/086264
§ 371(c)(1), (2) Date Jun. 23, 2021,
PCT Pub. No. WO2020/136075, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 10 2018 133 586.5 (DE), filed on Dec. 24, 2018.
Prior Publication US 2022/0056365 A1, Feb. 24, 2022
Int. Cl. C10M 159/24 (2006.01); C10M 105/34 (2006.01); C10M 105/36 (2006.01); C10M 105/38 (2006.01); C10M 125/10 (2006.01); C10M 135/10 (2006.01); C10N 10/04 (2006.01); C10N 20/02 (2006.01); C10N 30/00 (2006.01); C10N 50/10 (2006.01); C10N 70/00 (2006.01)
CPC C10M 159/24 (2013.01) [C10M 105/34 (2013.01); C10M 105/36 (2013.01); C10M 105/38 (2013.01); C10M 125/10 (2013.01); C10M 135/10 (2013.01); C10M 2201/062 (2013.01); C10M 2207/2815 (2013.01); C10M 2207/2825 (2013.01); C10M 2219/046 (2013.01); C10N 2010/04 (2013.01); C10N 2020/02 (2013.01); C10N 2030/40 (2020.05); C10N 2030/52 (2020.05); C10N 2030/64 (2020.05); C10N 2050/10 (2013.01); C10N 2070/00 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A biodegradable, mineral oil-free grease comprising: at least one ester composition comprising at least one ester and being free of any mineral oil, calcium carbonate and at least one overbased mono-, di- or tri-alkylbenzene sulfonate, wherein at least one alkyl group of the mono-, di- or tri-alkylbenzene sulfonate is a (C3-C30) alkyl group, and wherein said calcium carbonate is surrounded by said mono-, di- or tri-alkylbenzene sulfonate.