… preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other …
Explanatory notes
… preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti‑corrosive preparations and other … columns). Their active constituents are generally amino‑type substances derived in particular from imidazoline. 2.‑ … are based on phenolic products (e.g., dimethyl‑ tert ‑butylphenol), and such derivatives of aromatic amines as …