Patents by Inventor Fernando CilleroGrafulla

Fernando CilleroGrafulla 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).

  • Patent number: 4017502
    Abstract: The present invention is concerned with purifying the mixed ester, ethylene glycol 1-/2-(p-chlorophenoxy)-2-methylpropionate/-2-nicotinate by passing said compound in oily form through a layer of Super-Cel and charcoal and then crystallizing said compound from a mixture of benzene/petroleum ether. This compound has hypolipidemic properties.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: April 12, 1977
    Assignee: Alter, S.A.
    Inventors: Carlos Sunkel Letelier, Fernando CilleroGrafulla