Patents by Inventor Janet C. Hickman

Janet C. Hickman 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).

  • Cellulosic compositions useful in preparing hot melts
    Patent number: 4357168
    Abstract: A cellulosic composition of a cellulosic such as ethyl cellulose, a surfactant such as polyoxyethylene sorbitan monolaurate and a heat stabilizer such as triaryl phosphite can be mixed with an oil extender to form a hot melt composition which does not discolor upon extended heating at elevated temperatures.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: November 2, 1982
    Assignee: The Dow Chemical Co.
    Inventors: Maurice L. Zweigle, Janet C. Hickman
  • Hot melt compositions
    Patent number: 4256505
    Abstract: Hot melt compositions of a cellulosic such as ethyl cellulose, an oil extender and a compatibilizing amount of a surfactant such as polyoxyethylene sorbitan monolaurate exhibit (1) reduced oil exudation and/or (2) increased compatibility of the components in said composition.
    Type: Grant
    Filed: April 10, 1979
    Date of Patent: March 17, 1981
    Assignee: The Dow Chemical Company
    Inventors: Maurice L. Zweigle, Janet C. Hickman