Patents by Inventor Robert H. Cagan

Robert H. Cagan 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).

  • Mild cleanser and conditioner to yield soft smooth skin
    Patent number: 5480633
    Abstract: A skin cleanser and conditioner composition and particularly a facial rinse that removes soap and surfactant residue from the skin and thereby prevents irritation caused by the deposition of soaps and surfactants thereon, consisting of low levels of a nonionic surfactant, low levels of an organic acid such as citric acid/sodium citrate, and a major amount of water, which composition may be in the form of a liquid or gel.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: January 2, 1996
    Assignee: Colgate-Palmolive Company
    Inventors: Frederick A. Simion, Robert H. Cagan, Linda D. Rhein, John C. Blake-Haskins, Stephen W. Babulak
  • Monellin, a sweet polypeptide derived from fruit of dioscoreophyllum cumminsii
    Patent number: 3998798
    Abstract: Monellin, an intensely sweet polypeptide, substantially free from carbohydrate, is described. Monellin is the pure proteinaceous principle of the fruit Dioscoreophyllum cumminsii, having a molecular weight of approximately 11,000, an isoelectric point of 9.3, and an ultraviolet absorption maximum (.lambda. max) of 277 nm. A process for the production of monellin is described which includes the steps of extracting the fruit with an aqueous medium, separating the extract into a carbohydrate containing fraction and a proteinaceous fraction substantially free from carbohydrate, and recovering the proteinaceous fraction substantially free from carbohydrate.
    Type: Grant
    Filed: September 5, 1975
    Date of Patent: December 21, 1976
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Robert H. Cagan, Morley R. Kare, James A. Morris