Patent ID: 8455411

Claim:
A lubricant composition comprising (a) 50 to 90 wt % a modified, native triglyceride-based oil with a oleic acid content of at least 60%, chosen from the group consisting of sunflower oil, rapeseed oil, castor oil, linseed oil, corn oil, safflower oil, soybean oil, flaxseed oil, peanut oil, “lesquerella” oil, palm oil, olive oil, and mixtures of the aforementioned oils, wherein the native oil is made to react with a peroxide, and the unsaturated covalent bonds are linked by a radical addition reaction, and (b) 5 to 10 wt % additives or additive mixtures, (c) 5 to 30 wt % thickening agent, wherein the kinematic viscosity of the modified native oil ranges from 100 to 1250 mm 2 /sec at 40° C.