Patents by Inventor Esther C. Gardner

Esther C. Gardner 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).

  • Methods of reducing smoke evolution from burning neoprene foam and neoprene foam products produced thereby
    Patent number: 4315075
    Abstract: A low smoke neoprene latex foam having physical properties suitable for cushioning and method of making the same are provided in which at least 200 parts of hydrated alumina are added per 100 parts of dry neoprene latex with the hydrated alumina being at least 66% in the size range 40 microns and larger and the balance in the size range below 40 microns.
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: February 9, 1982
    Assignee: Toyad Corporation
    Inventor: Esther C. Gardner