Patent ID: 8119580

Claim:
Lubricant concentrate containing the following components: (i) at least one amine; (ii) at least one phosphate according to the general formula I, wherein R 1a , R 1b and R 1c have the same meaning and indicate —CH 2 —CH 2 —O—(C 1 -C 10 -alkyl); (iii) at least one acid; (iv) optionally at least one ether carboxylic acid compound with the general formula II R 20 —(O(CH 2 ) m ) n OCH 2 COO − M + (II) wherein R 20 is a saturated, linear or branched alkyl rest with 1 to 22 carbon atoms or a mono or polyunsaturated linear or branched alkenyl or alkynyl rest with 2 to 22 carbon atoms or an aryl rest optimally substituted with at least one C 1 -C 22 alkyl, C 2 -C 22 alkenyl or C 2 -C 22 -alkynyl, n is a positive number between 0 and 30, and m is 2 or 3, M is hydrogen or an alkali metal; (v) optionally at least one further aid or additive; whereby the portion of the components (i)+(ii)+(iii) with respect to the concentrate is 1 to 100 wt. %, and said optional components (iv) and (v) may be present in portions up to 99 wt. %, whereby the portions (i)−(v) are chosen such that the total results in 100 wt. %.