Patents by Inventor Americo G. P. Frade

Americo G. P. Frade 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).

  • Tall'oil fatty acids-quality improvement
    Patent number: 4536332
    Abstract: Distilled tall oil fatty acids are improved by irradiation which isomerizes trans-dimethoxystilbene (trans-DMS) impurity to cis-dimethoxystilbene which is easily removed by fractional distillation. Thus, the trans-DMS is removed without loss of fatty acid components from the distilled tall oil fatty acid.
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: August 20, 1985
    Assignee: Arizona Chemical Company
    Inventors: Curry B. Davis, Americo G. P. Frade