.~ Prevention or removal of corrosion or solid deposits
DEFINITION
Classification: 585/950
Prevention or removal of corrosion or solid deposits:
Collection of documents (under unnumbered subclass MISCELLANEOUS CONSIDERATIONS) disclosing procedures for preventing the deterioration of apparatus contacted by a hydrocarbon or an agent used in hydrocarbon processing or for preventing solid products from forming or accumulating on such apparatus.
SEE OR SEARCH CLASS
208, Mineral Oils: Process and Products,
47, and 48+ for similar procedures used in chemical conversion of petroleum hydrocarbons.