Patents by Inventor Enrique C. Robles

Enrique C. Robles 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).

  • Process for preparing colored detergent flakes
    Patent number: 4162228
    Abstract: The present invention provides a process for making colored nonionic detergent flakes, which is characterized in that nonionic detergent flakes are mixed with a dry, powdered coloring agent in a mixing apparatus.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: July 24, 1979
    Assignee: Lever Brothers Company
    Inventor: Enrique C. Robles