Patents by Inventor Joyce I. Davis

Joyce I. Davis 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).

  • Antidandruff shampoo compositions
    Patent number: 5104645
    Abstract: Antidandruff shampoos comprising a surfactant, platelet zinc pyridinethione active of specific particle size, a suspending agent, water, and a synergizer for the active. Said compositions have superior efficacy when compared with antidandruff shampoos known in the art.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: April 14, 1992
    Assignee: The Proctor & Gamble Company
    Inventors: Caroline W. Cardin, Joyce I. Davis, Judi L. Hart, Diane G. Schmidt
  • Hair conditioning article and a method of its use
    Patent number: 4206196
    Abstract: An article especially designed for conditioning hair comprising a flexible substrate releasably carrying a hair conditioning agent and a water soluble salt. The article when rubbed onto hair provides combing, detangling, static fly-away and softness benefits. Additionally the manageability of the hair is improved.
    Type: Grant
    Filed: May 23, 1979
    Date of Patent: June 3, 1980
    Assignee: The Procter & Gamble Company
    Inventor: Joyce I. Davis