CORROSION PATENTS Available to Purchase

Rust‐proofing material. An improved rust‐proofing, non‐gelling bituminous material comprises an oxidised cut‐back asphalt containing a minor proportion of an aliphatic primary amine or mixture of amines with 16 to 18 C atoms in the C chain and a minor proportion of a fatty acid of 15 to 19 C atoms in the alkyl radical.—Brit. Pat. 700,146, Standard Oil Development Co.