Patents Assigned to An-Son Petrochemical, Inc.
  • Methods of using strong acids modified with acid solutions
    Patent number: 4675120
    Abstract: Acidic compositions comprising mixtures of hydrochloric, phosphoric, oxalic and citric acids, optionally additionally containing oleic, hydrofluoric or sulfuric acid and methods of preparing the acidic mixtures. Uses for certain mixtures of the acids include treating crude oil, in oil recovery processes, for well acidizing, cleaning glass, in batteries, removing corrosion from metals, removing oil residues from oil handling equipment and reactivating wells clogged with asphaltene.
    Type: Grant
    Filed: July 14, 1983
    Date of Patent: June 23, 1987
    Assignee: An-Son Petrochemical, Inc.
    Inventor: David J. Martucci