Patent ID: 6214779
Filing Date: 2001-04-10
Classification: C08L,C10L,C10M

Abstract:
to 400.degree. C., andan .alpha.-olefin/aromatic vinyl fuel oil fluidity improver comprising an .alpha.-olefin/aromatic vinyl compound random copolymer which comprises 60 to 90% by mol of constituent units derived from ethylene, 0 to 39% by mol of constituent units derived from an .alpha.-olefin of 3 to 20 carbon atoms and 1 to 40% by mol of constituent units derived from an aromatic vinyl compound, with the proviso that the total amount of the constituent units derived from ethylene and the constituent units derived from the .alpha.-olefin is 60 to 99% by mol, and has an intrinsic viscosity [.eta.], as measured in decalin at 135.degree. C., of 0.01 to