Patent ID: 11965140
Assignee: EVONIK OPERATIONS GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  Y | IPC C

Claim 12:
13. A lubricating composition, comprising:
(A) 20 to 60% by weight of at least one polyalkyl acrylate, comprising:
(a) 95 to 100% by weight of at least one branched Cs-to-alkyl acrylate; and
(b) 0 to 5% by weight of at least one C1-20-alkyl (meth)acrylate, based on a total weight of the at least one polyalkyl acrylate,
wherein a weight-average molecular weight of the at least one polyalkyl acrylate is in the range of 7,000 to 25,000 g/mol and a residual monomer content is 0.1% by weight or lower;

(B) 40 to 80% by weight of a base oil selected from the group consisting of API Group II oils, API Group III oils. API Group IV oils, and mixtures thereof, and
(C) 0 to 5% by weight of one or more additives,
based on a total weight of the lubricating composition.