Patents by Inventor Hosny Saad

Hosny Saad 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).

  • Indicator device for detecting the amount of sebum in hair and scalp and method therefor
    Patent number: 4313393
    Abstract: An indicating device for determining the dry, normal or oily characteristics of human hair and scalp. More particularly, an indicating device comprising an oil absorbent indicating material, treated with an oil-soluble dye, surrounded by an oil permeable membrane. The invention additionally relates to a method for determining the dry, normal or oily characteristics of the hair and scalp.
    Type: Grant
    Filed: September 19, 1978
    Date of Patent: February 2, 1982
    Assignee: American Cyanamid Company
    Inventors: Frank D. Barbuscio, LeRoy Hunter, Joseph C. Hourihan, Mary C. Inglis, Helen E. Oberstar, Hosny Saad