Patents by Inventor Sol Benkendorf

Sol Benkendorf 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).

  • Liquid crystalline phase drug delivery vehicle
    Patent number: 6235312
    Abstract: The composition disclosed herein comprises about 55 to about 90 weight percent of a monoglyceride component comprising a monoglyceride having an acyl chain of 12 to 22 carbons, about 5 to about 35 weight percent of an acetylated monoglyceride component comprising an acetylated monoglyceride having an acyl chain of 12 to 22 carbons, and about 2 to about 40 weight percent water. The present composition is a liquid crystalline phase composition at a temperature of about 20 to about 80° C., preferably a cubic liquid crystalline gel.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: May 22, 2001
    Assignee: Eastman Chemical Company
    Inventors: Howard Kenneth Hobbs, Sol Benkendorf, Stephen Hong-Wei Wu
  • Nitrocellulose lacquer composition containing gelatin and acrylic copolymers
    Patent number: 4421881
    Abstract: An improved nitrocellulose lacquer containing small amounts of water-soluble gelatin of molecular weight range of 15,000 to 250,000 and an acrylic copolymer and a novel process for dispersing and incorporating the gelatin are disclosed.
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: December 20, 1983
    Inventors: Sol Benkendorf, Frank A. Calamito, Carmine M. Zaccaria