Patent ID: 6063743
Filing Date: 2000-05-16
Classification: C10M

Abstract:
A lubricating grease composition comprising 78.95 to 83.95 percent by weight of a base oil consisting of an ester of an aromatic trimellitic acid or pyromellitic acid with one or more C.sub.8 -C.sub.18 -alkanols and 15 to 20 percent by weight of a polyurea thickening agent consisting of the reaction product of a compound of the formulaA(B)n (I)with an amine of the formula H.sub.2 N--R (II), in whichA=CH.sub.4-nB=aromatic mono isocyanate residue,n=2,R=alkyl or alkenyl aliphatic residue with 8 to 22-C-atoms; and in which the mixture of the basic oil and the thickening agent has a consistency with a penetration of 220-385, 0.1 mm.