… Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and other products specified in Note 3 to this Chapter, not elsewhere specified or included, in primary forms. …
Explanatory notes
… 39.11 ‑ Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones … in Note 3 to this Chapter, not elsewhere specified or included, in primary forms. 3911.10 ‑ Petroleum resins, … more or less impure fractions obtained, respectively, from deeply cracked petroleum distillates, from coal tar or from …