Patents by Inventor Clifton R. Neumoyer

Clifton R. Neumoyer 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).

  • Cellulose thiocyanate and process for preparing the same
    Patent number: 4076918
    Abstract: A process is provided for preparing cellulose thiocyanate by direct reaction of cellulose with thiocyanic acid in the presence of dimethyl formamide, or dimethyl sulfoxide, at elevated temperatures, the thiocyanic acid being formed in situ from a thiocyanate salt and sulfuric acid. The product, cellulose thiocyanate, has a carbon content of from 38% to 44.4%, a nitrogen content of from 0.1% to 6.3%, a sulfur content of 0.23% to 14.5%, and is noninflammable and self-extinguishing.
    Type: Grant
    Filed: February 12, 1975
    Date of Patent: February 28, 1978
    Assignee: Argus Chemical Corporation
    Inventors: Shaul Gladstone, Clifton R. Neumoyer