Patents by Inventor Raymond M. Ajluni

Raymond M. Ajluni 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).

  • Post phosphating inhibiting rinse
    Patent number: 4182637
    Abstract: Phosphated ferrous metal surfaces are treated with a rinse containing citric acid and sodium nitrite to enhance corrosion protection. This rinse has the advantages of providing an effluent which is not objectionable from an environmental viewpoint and does not stain the treated surfaces.
    Type: Grant
    Filed: December 19, 1978
    Date of Patent: January 8, 1980
    Assignee: BASF Wyandotte Corporation
    Inventors: Joseph V. Otrhalek, Raymond M. Ajluni, Gilbert S. Gomes
  • Post phosphating inhibiting rinse
    Patent number: 4124414
    Abstract: Phosphated ferrous metal surfaces are treated with a rinse containing citric acid and sodium nitrite to enhance corrosion protection. This rinse has the advantages of providing an effluent which is not objectionable from an environmental viewpoint and does not stain the treated surfaces.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: November 7, 1978
    Assignee: BASF Wyandotte Corporation
    Inventors: Joseph V. Otrhalek, Raymond M. Ajluni, Gilbert S. Gomes
  • Additive for an acid cleaning bath for metal surfaces
    Patent number: 3954645
    Abstract: A method for the preparation of a liquid concentrate solution containing 10 to 60 percent by weight water from which a metal cleaning solution may be prepared by dilution with additional water.The liquid concentrate was prepared from ferrous sulfate, an oxidant, an acid, a fluoride ion source and water. It may optionally contain ammonia and urea.
    Type: Grant
    Filed: July 25, 1973
    Date of Patent: May 4, 1976
    Assignee: BASF Wyandotte Corporation
    Inventors: Joseph V. Otrhalek, Raymond M. Ajluni