Patents by Inventor Ronald L. Oleka

Ronald L. Oleka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Use of cationic alkyl-phosphonium salts as corrosion inhibitors in open recirculating systems
    Patent number: 5314660
    Abstract: A method for inhibiting corrosion of metals which are in contact with an aqueous system comprising adding to the system, either alone or in combination with organic or metal containing water treatments, a water-soluble cationic alkyl-phosphonium salt in an amount effective to inhibit corrosion.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: May 24, 1994
    Assignee: Grace Dearborn Inc.
    Inventors: Brian E. Clark, Ronald L. Oleka
  • Composition and method for scavenging oxygen
    Patent number: 5176849
    Abstract: A composition and method of inhibiting corrosion in boiler-steam condensate systems comprising adding to the system N,N-dihydrocarbylhydroxylamine and N-hydrocarbylhydroxylamine in amounts effective to inhibit corrosion.
    Type: Grant
    Filed: April 15, 1992
    Date of Patent: January 5, 1993
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Chih M. Hwa, Dionisio G. Cuisia, Ronald L. Oleka