Patents by Inventor Hosny Y. Saad

Hosny Y. 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).

  • Non-staining keratinic coloring product
    Patent number: 3933422
    Abstract: A coloring composition for dyeing keratinous material comprising water, an organic dye carrier, a premetallized dye soluble in the carrier, a stain-inhibiting agent and an anionic surface active agent. The dyes are premetallized dyes and the composition includes dye carriers, anionic surface active agents, and stain inhibiting agents in an aqueous solution. The composition is effective as a semi-permanent hair dye that can be applied to hair without staining the skin of the user.
    Type: Grant
    Filed: April 25, 1974
    Date of Patent: January 20, 1976
    Assignee: Avon Products, Inc.
    Inventor: Hosny Y. Saad