Patents by Inventor Alexandre Askienazy

Alexandre Askienazy 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).

  • Phosphatation of metallic surfaces
    Patent number: 4089708
    Abstract: A treatment of iron or steel surfaces to give them enhanced anti-corrosive and paint-retaining characteristics comprises the application, by spraying, dipping or otherwise, of a composition in the form of a solution of phosphates which includes an accelerating agent represented by a quantity of tungstate ion and which has a pH value in the range 5.8 to 6.5, and preferably 6.0 to 6.4.
    Type: Grant
    Filed: April 8, 1976
    Date of Patent: May 16, 1978
    Assignee: Compagnie Francaise de Produits Industriels
    Inventors: Alexandre Askienazy, Victor Ken, Jean-Claude Souchet
  • Method of chemical peeling of fruits and vegetables with an alkanolamine
    Patent number: 3970762
    Abstract: A washing and peeling composition for preparing fruits and vegetables contains an alkanolamine and a major amount of a carrier medium such as water. The alkanolamine is preferably monoethanolamine. A surface active agent such as a fatty alcohol sulfate, an alkylarylene sulfonate or a non-ionic agent may be added. The treatment is for one to thirty minutes at a temperature of at least about 20.degree.C depending on the fruit or vegetable concerned. The compositions enable a substantially higher yield of useful product.
    Type: Grant
    Filed: February 6, 1974
    Date of Patent: July 20, 1976
    Assignee: Compagnie Francaise de Produits Industriels
    Inventors: Alexandre Askienazy, Georges Melki, Jean Stevenin