Patents by Inventor Richard C. Danforth

Richard C. Danforth 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).

  • Compositions and process for colored liquid food or drink
    Patent number: 4167587
    Abstract: A liquid food or drink with a pH of below 4.2 includes erythrosine (Red No. 3 and/or its lakes) and an edible soluble or dispersable protein the protein is stained by the erythrosine which is subsequently solubilized or dispersed throughout the food or beverages whereby such food or drink is colored. Also involved here are preparations such as dry mixes, frozen concentrates and syrups.
    Type: Grant
    Filed: June 22, 1977
    Date of Patent: September 11, 1979
    Inventor: Richard C. Danforth