Patent ID: 7837806

Claim:
A method of producing an article of manufacture for housing a composition that contains an acid gas, said method comprising the steps of: exposing an internal metal surface of a container to a first composition comprising at least one silicon-containing compound for a time sufficient to allow at least some of the at least one silicon-containing compound to react with oxygen-containing compounds present to form a silicon-treated surface on at least some of the internal metal surface, the silicon-containing compound selected from the group consisting of compounds within the general formula (II): SiR 1 R 2 R 3 R 4 (II) wherein R 1 R 2 R 3 and R 4 are the same or different and are independently selected from the group consisting of hydrogen, halogen, alkyl, aryl, amine, halogenated alkyl, and halogenated aryl; evacuating the container for a time sufficient to remove substantially all of the at least one silicon-containing compound that has not reacted with the oxygen-containing compound to form the silicon-treated surface; exposing the silicon-treated surface to a second composition comprising the acid gas having a concentration that is at least 10 times greater than the intended concentration of the acid gas to be housed within the internal space; evacuating the container for a time sufficient to remove an amount of the second composition to enhance the stability of the intended concentration over time; and filling the container with a third composition comprising the acid gas to be housed at the intended concentration.