Patents by Inventor Caroline W. Cardin

Caroline W. Cardin 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).

  • Patent number: 5292504
    Abstract: Ovicidal/pediculicidal anti-lice compositions comprising a mixture of actives wherein the ratio of synthetic pyrethroids to natural pyrethrins is from about 6:1 to about 10:1. Said active mixtures are incorporated into hair treatment compositions, such as shampoos, lotions and conditioners, which are stable at high storage temperatures, effective, safe and easy to use.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: March 8, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Caroline W. Cardin, David W. Peter
  • Patent number: 5288483
    Abstract: The present invention represents ovicidal/pediculicidal anti-lice active containing compositions containing a combination of alkanol synergizers selected from the group consisting of phenyl C.sub.2 -C.sub.6 alkanols, phenyl C.sub.2 -C.sub.6 diols, and mixtures thereof, with quaternary ammonium salts, long chain (CH.sub.12 -C.sub.22 fatty amines, and mixtures thereof. The compositions include hair care compositions which are storage stable at high temperatures.
    Type: Grant
    Filed: February 17, 1993
    Date of Patent: February 22, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Caroline W. Cardin, David W. Peter, Clint A. Markham
  • 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