TARIC 3811.21.00.22 — Additive consisting essentially of: -Polyisobutenyl succinic anhydride (CAS RN 192662-34-3) reaction product with N,N-diethylaminoethanol (CAS RN 100-37-8), -25 % or more by weight, but not more than 40 % by weight of mineral oil, used in the manufacture of blends of additives for lubricating oils | TariffCodex